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1. Standard data bus interfaces, supported within the programmer loader verifier (PLV), include RS–232C, RS–422, IEEE–488, and

Explanation

The given answer, MIL-STD-1553B, is the correct one because it is listed among the standard data bus interfaces supported within the programmer loader verifier (PLV). The other options listed, DC-200, TR-1150D, and MIL-STD-1000, are not mentioned as supported interfaces. Therefore, MIL-STD-1553B is the only valid option among the given choices.

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About This Quiz
2a553c CDC Volume 2 Ure - Quiz

This quiz, titled '2A553C CDC Volume 2 URE', evaluates knowledge in aerospace maintenance, focusing on preventative inspections, damage types, lubrication, tool control, and tool kit organization. Essential for professionals managing aircraft maintenance and safety.

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2. What system consists of emergency exits, ejection seats, and hatch jettisons?

Explanation

The correct answer is Crew escape and safety. This system includes emergency exits, ejection seats, and hatch jettisons, all of which are designed to ensure the safety and escape of the crew in case of emergencies or accidents.

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3. The typical 1553 data bus system command that provides a mechanism for an remote terminal (RT) to send data to another RT when the BC does not require the data is called

Explanation

The correct answer is RT to RT. In a typical 1553 data bus system, when the Bus Controller (BC) does not require the data, the Remote Terminal (RT) can still send data to another RT using the RT to RT command. This command allows direct communication between two RTs without involving the BC.

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4. Which of the following is not looked for during a visual preventative maintenance inspection?

Explanation

During a visual preventative maintenance inspection, various factors are examined to ensure the proper functioning and condition of the equipment. Fungus growth, corroded connectors, and sand and grit deposits are all potential issues that can affect the performance and longevity of the equipment. However, voltages within tolerances are not typically assessed during a visual inspection, as they require specialized equipment and testing procedures to accurately measure. Therefore, the correct answer is "Voltages within tolerances."

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5. How are small tools, which cannot be marked, controlled in a composite tool kit (CTK)?

Explanation

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6. What precaution must you take first before installing an electrostatic discharge (ESD) line replaceable unit (LRU)?

Explanation

Before installing an electrostatic discharge (ESD) line replaceable unit (LRU), the first precaution that must be taken is to ensure that the aircraft is properly grounded. This is important because grounding the aircraft helps to prevent the buildup of static electricity, which could potentially damage the LRU during installation. By ensuring that the aircraft is properly grounded, the risk of electrostatic discharge and potential damage to the LRU is minimized.

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7. What system provides defogging of windows and cabin pressurization?

Explanation

The correct answer is air-conditioning. Air-conditioning systems in vehicles are responsible for defogging windows and cabin pressurization. They regulate the temperature and humidity inside the cabin, ensuring that the windows do not fog up and providing a comfortable environment for passengers. Air-conditioning systems use a combination of cooling, heating, and ventilation to achieve these functions.

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8. What system monitors temperature changes and overheat conditions in the engine nacelles?

Explanation

The correct answer is Fire protection. The fire protection system is responsible for monitoring temperature changes and overheat conditions in the engine nacelles. It is designed to detect any potential fire hazards and activate appropriate safety measures to prevent fire outbreaks. This system plays a crucial role in ensuring the safety of the aircraft and its passengers by continuously monitoring and responding to any fire-related risks in the engine nacelles.

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9. What components are used to guard against accidental firing of ejection seats?

Explanation

Safety pins are used to guard against accidental firing of ejection seats. These pins are inserted into the ejection seat mechanism to prevent it from being triggered unintentionally. They provide an additional layer of safety by physically blocking the activation mechanism and ensuring that the ejection seat remains secure until intentionally released. Initiators, stabilizers, and red streamers may have other functions but are not specifically designed to guard against accidental firing of ejection seats.

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10. What countermeasures dispensing system (CMDS) uses the countermeasures dispenser tester (CDT) misfire test when selected by the MODE switch?

Explanation

The countermeasures dispensing system (CMDS) that uses the countermeasures dispenser tester (CDT) misfire test when selected by the MODE switch is the AN/ALE-47.

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11. Which type of cable is used to carry radio frequency (RF) power from one point to another?

Explanation

Coaxial cables are specifically designed to carry high-frequency signals, including radio frequency (RF) power, from one point to another. They consist of a central conductor surrounded by an insulating layer, a metallic shield, and an outer insulating layer. The shield helps to minimize interference and signal loss, making coaxial cables ideal for transmitting RF power over long distances with minimal distortion. Electromagnetic pulse (EMP) refers to a burst of electromagnetic energy, not a type of cable. Insulated wire and shielded cables may be used for other purposes, but they are not specifically designed for carrying RF power.

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12. Which condition of an EMP hardened cable is considered nonrepairable by local personnel?

Explanation

Damage to internal wires is considered nonrepairable by local personnel because it requires specialized knowledge and equipment to repair. Local personnel may not have the necessary training or tools to fix internal wire damage in an EMP hardened cable. Frayed cable jacket, loose outer shield, and broken pins at the connector can be repaired or replaced by local personnel with basic training and tools.

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13. Which navigation system provides the aircraft position, security ID, altitude, and personal ID?

Explanation

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14. What lubricant is available in an aerosol and used for light to moderate loads?

Explanation

Silicone lubricant is available in an aerosol and is commonly used for light to moderate loads. It is a versatile lubricant that can be used in various applications and environments. Silicone lubricant is known for its high resistance to heat, water, and chemicals, making it suitable for a wide range of uses. It provides smooth and long-lasting lubrication, reducing friction and wear on moving parts.

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15. At what voltage level can electrostatic discharges (ESD) not be seen, felt, or heard?

Explanation

Electrostatic discharges (ESD) are typically not visible, felt, or heard at voltage levels below 4,000. This means that any voltage level below 4,000 is too low to generate a noticeable ESD.

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16. The number and position of the fire extinguisher is determined by

Explanation

The correct answer is "applicable aircraft TO and TO 00–25–172." This means that the number and position of the fire extinguisher is determined by the guidelines and regulations outlined in the applicable aircraft Technical Order (TO) and TO 00–25–172. These documents provide specific instructions and requirements for various aspects of aircraft operations, including fire safety. Therefore, it is important to consult these guidelines to ensure that the correct number and positioning of fire extinguishers are in place based on the specific aircraft and its operational requirements.

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17. Which is a DoD-owned network approved for classified data transfer?

Explanation

SIPRNET is a DoD-owned network that is specifically approved for transferring classified data. It is designed to provide secure communication and information sharing for the U.S. government and its authorized partners. NIPRNET, on the other hand, is a separate network used for unclassified data transfer. The Internet and Intranet are not specifically owned or approved by the DoD for classified data transfer.

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18. What is the reflective surface that propagates light along the optical transmission path?

Explanation

The correct answer is cladding. In optical fibers, cladding is the outer layer that surrounds the core. It has a lower refractive index than the core, which allows it to act as a reflective surface. This reflection helps to keep the light within the core and propagate it along the optical transmission path. The cladding serves to protect the core and maintain the integrity of the transmitted light signal.

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19. What part of the helicopter counteracts the torque condition?

Explanation

The tail rotor is responsible for counteracting the torque condition in a helicopter. When the main rotor spins, it creates a torque that tries to rotate the helicopter in the opposite direction. The tail rotor, located at the end of the tail boom, produces a sideways thrust that counteracts this torque and keeps the helicopter stable. By adjusting the pitch of the tail rotor blades, the pilot can control the amount of thrust and effectively counteract the torque, allowing for stable flight.

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20. Which method of tool layout prevents a quick, accurate inventory of a composite tool kit (CTK)?

Explanation

Setting tools loosely in a drawer prevents a quick, accurate inventory of a composite tool kit (CTK) because it makes it difficult to visually assess which tools are present and which are missing. When tools are not securely organized or held in place, they can easily shift or become jumbled together, making it challenging to identify and count them accurately. This method of tool layout also increases the risk of misplacing or losing tools, leading to inefficiency and potential safety hazards.

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21. What helps to dissipate and lessen the effects of electrostatic discharges?

Explanation

Humid air helps to dissipate and lessen the effects of electrostatic discharges because it increases the conductivity of the surrounding environment. When the air is humid, the moisture in the air allows for the free movement of ions, which helps to neutralize any charges that may build up on objects. This reduces the likelihood of electrostatic discharges occurring and minimizes their effects.

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22. What length of lacing cord is required to properly lace a cable bunch?

Explanation

To properly lace a cable bunch, two and a half times the length of the finished bundle is required. This is because when lacing a cable bunch, the cord needs to go around the cables multiple times to secure them properly. By using two and a half times the length of the finished bundle, there will be enough cord to wrap around the cables and tie them securely without running out of cord. This ensures that the cables are properly laced and organized.

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23. Which action is not a safety precaution for deactivating chaff/flare systems?

Explanation

Loading expendables during routine maintenance is not a safety precaution for deactivating chaff/flare systems. Safety precautions typically involve actions that minimize the risk of accidental activation or discharge of the system. Installing safety pins, pulling circuit breakers, and removing the arming signal from dispensers are all examples of safety precautions that help ensure the system is deactivated safely. However, loading expendables during routine maintenance can potentially lead to accidental activation or discharge, making it an unsafe action.

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24. The composite tool kit (CTK) program was developed to

Explanation

The correct answer is to eliminate damage to aircraft, equipment, and to control tool assets. The CTK program aims to prevent any harm or damage to aircraft and equipment by implementing effective measures and controls. By doing so, it helps to minimize costs associated with repairing or replacing damaged aircraft and tools. Additionally, the program focuses on maintaining and controlling tool assets, ensuring their proper usage and preventing any loss or misuse.

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25.  How do you ensure that a coaxial cable transmission line is outputting maximum signal strength?

Explanation

To ensure that a coaxial cable transmission line is outputting maximum signal strength, it is necessary to check the standing-wave-ratio of the cable. The standing-wave-ratio (SWR) is a measure of how well the impedance of the cable matches the impedance of the connected devices. A high SWR indicates a mismatch, which can result in signal loss and reduced performance. By checking the SWR, one can identify any impedance mismatches and take corrective measures such as adjusting the cable length or using impedance matching devices to optimize the signal strength.

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26. The disadvantage of using a wave guide is its

Explanation

Waveguides are structures that guide electromagnetic waves along a specific path. One of the disadvantages of using a waveguide is its size restrictions. Waveguides are designed to operate at specific frequencies, and their dimensions are determined by the wavelength of the waves they are intended to guide. This means that waveguides can only be used for certain frequency ranges, and their size cannot be easily adjusted to accommodate different frequencies. Therefore, the size restrictions of waveguides limit their versatility and applicability in various applications.

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27. Which B–2 doors have blade seals?

Explanation

The correct answer is "Exterior." Blade seals are typically used in exterior doors to provide a tight seal against air and water infiltration. These seals are designed to prevent drafts, noise, and moisture from entering the building. In contrast, interior doors do not usually require blade seals as they are not exposed to outdoor elements. Intermediate doors may or may not have blade seals depending on their location and purpose. GLAS doors are not commonly used, so it is unlikely that they would have blade seals.

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28. On the ACES II ejection seat, what indicates a "hot" seat?

Explanation

A protruding red recovery sequencer indicates a "hot" seat on the ACES II ejection seat. This means that the seat is armed and ready for ejection. The protruding red recovery sequencer is easily visible and can be quickly identified by the pilot or crew members in case of an emergency.

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29. The span of the display, on a spectrum analyzer, is the size of the band of frequencies that are displayed and adjusted with the

Explanation

The span of the display on a spectrum analyzer refers to the range of frequencies that are shown and adjusted using the FREQUENCY SPAN control. This control allows the user to select the desired width or size of the frequency band that is displayed on the analyzer. By adjusting the FREQUENCY SPAN control, the user can zoom in or out on the frequency range of interest, allowing for a more detailed or broader view of the spectrum.

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30.  The common aircraft portable reprogramming equipment (CAPRE) uses what type of computer?

Explanation

The common aircraft portable reprogramming equipment (CAPRE) uses a ruggedized laptop as its computer. A ruggedized laptop is designed to withstand harsh environments and is built to be durable and resistant to damage. This makes it suitable for use in aircraft, where it may be subjected to vibrations, extreme temperatures, and other challenging conditions. The ruggedized laptop would be able to handle the demands of the CAPRE system and ensure reliable performance in the field.

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31. What advantage of fiber optic cable allows for a greatly increased information-carrying capacity within a single fiber?

Explanation

The advantage of fiber optic cable that allows for a greatly increased information-carrying capacity within a single fiber is its wider bandwidth. Unlike traditional copper cables, fiber optic cables have a much larger bandwidth, which means they can transmit a greater amount of data at a faster rate. This wider bandwidth allows for more information to be carried within a single fiber, making fiber optic cables ideal for high-speed data transmission over long distances.

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32. A transmission line with a simple construction, high radiation loss, and high noise pickup describes

Explanation

A transmission line with a simple construction, high radiation loss, and high noise pickup is likely a parallel two-wire open line. This type of transmission line consists of two parallel conductors that are not shielded, which makes it susceptible to radiation loss and noise pickup. The simple construction refers to the basic design of the parallel wires, and the absence of shielding contributes to the high radiation loss and noise pickup.

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33. What type of loss occurs as a result of electrical current flowing through a conductor?

Explanation

The correct answer is Copper. When electrical current flows through a conductor, there is a certain amount of resistance that causes the conductor to heat up. This heating effect is known as copper loss, as copper is commonly used as a conductor material. The resistance of the copper conductor leads to energy loss in the form of heat, which is why it is important to consider this factor when designing electrical systems.

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34. Which navigation system provides position, altitude, speed, and time information from satellites?

Explanation

The correct answer is Global positioning system (GPS). GPS is a navigation system that uses satellites to provide accurate position, altitude, speed, and time information. It is widely used in various industries and applications, including aviation, maritime, and automotive. GPS works by receiving signals from multiple satellites and using trilateration to calculate the user's precise location. It has become an essential tool for navigation and tracking purposes worldwide.

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35. Damage to the sampling gate or tunnel diode of a time domain reflectometer indicates voltages exceeding.

Explanation

The damage to the sampling gate or tunnel diode of a time domain reflectometer indicates that voltages exceeding 5V were applied.

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36. Which of the following is an Air Force reprogramming exercise?  

Explanation

An Air Force reprogramming exercise refers to the process of modifying or updating the software or systems used by the Air Force. Among the given options, "SERENE BYTE" seems to be the most appropriate choice as it implies a calm and peaceful approach to reprogramming, which aligns with the idea of making changes in a controlled and organized manner. The other options, "BRAVE BYTE," "PROUD BYTE," and "NEPTUNE BYTE," do not convey the same sense of methodical and disciplined reprogramming.

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37. Which receiver device produces current in response to incident light?

Explanation

A pin photodiode is a type of semiconductor device that generates current when exposed to light. It consists of a p-type layer, an intrinsic layer, and an n-type layer. When light photons strike the intrinsic layer, they create electron-hole pairs, which then generate a current. This current can be used as a signal in various applications such as optical communication, light sensing, and imaging. The other options, Zener diode, injection laser diode, and light emitting diode, do not produce current in response to incident light.

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38. The minimum bend radius for a coaxial cable is

Explanation

The minimum bend radius for a coaxial cable is six times the outside diameter. This means that the cable should not be bent in a radius smaller than six times the size of its outer diameter. Bending the cable in a smaller radius can cause signal loss, interference, or even damage to the cable. Therefore, it is important to adhere to the recommended minimum bend radius to ensure optimal performance and longevity of the coaxial cable.

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39. Which of the following is not a proper procedure for soldering a center pin on a coax cable center conductor?

Explanation

Applying heat at the dielectric end of the center pin body is not a proper procedure for soldering a center pin on a coax cable center conductor. Heat should be applied to the metal part of the center pin, not the dielectric end, in order to properly melt the solder and create a secure connection.

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40. Which communication system provides encryption and decryption of voice communications?

Explanation

The correct answer is "Secure." This communication system provides encryption and decryption of voice communications, ensuring that the information transmitted remains confidential and secure.

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41. What piece of test equipment is used to measure absolute or relative power?

Explanation

A power meter is a piece of test equipment specifically designed to measure absolute or relative power. It is commonly used in various fields such as electrical engineering, telecommunications, and physics. A power meter is capable of accurately measuring the power level of a signal, whether it is in terms of absolute power (in watts) or relative power (in dBm or dBW). This measurement is crucial in determining the performance and efficiency of a device or system, making the power meter an essential tool in many industries.

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42. What key on the pulse box enables the user to use the top portion of the dual function keys?

Explanation

The correct answer is 2ND. The 2ND key on the pulse box enables the user to use the top portion of the dual function keys. This means that by pressing the 2ND key followed by another key, the user can access the secondary function or command assigned to that key.

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43. What switch on the countermeasures dispenser tester (CDT) allows for the retrieval and display of fire test results?

Explanation

The switch on the countermeasures dispenser tester (CDT) that allows for the retrieval and display of fire test results is the DATA switch. This switch is responsible for accessing and displaying the data collected during the fire test. By selecting the DATA switch, the user can view the test results and analyze the performance of the countermeasures dispenser.

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44. What position of the DATA switch is selected to display the fire test main PASS/FAIL indication?

Explanation

The position of the DATA switch that is selected to display the fire test main PASS/FAIL indication is "GO/NO-GO". This means that the switch needs to be set to the "GO/NO-GO" position in order to see whether the fire test has passed or failed.

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45. Shielded cable consists of

Explanation

Shielded cable consists of a metallic braid over the insulation. This metallic braid acts as a shield to protect the inner conductor from external electromagnetic interference. It helps to reduce noise and signal degradation by providing a barrier against electromagnetic radiation. The insulation layer underneath the metallic braid provides electrical insulation and further protection to the inner conductor. Overall, the metallic braid over the insulation enhances the performance and reliability of the shielded cable.

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46. What type of cable is required for greater shielding against electromagnetic interference?

Explanation

Triaxial cable provides the highest level of shielding against electromagnetic interference compared to twisted pair, coaxial, and shielded cables. It consists of three layers of shielding, including an inner conductor, an insulating layer, and an outer conductor, which helps to minimize interference from external sources. This design makes triaxial cable ideal for applications where strong shielding is necessary, such as in high-frequency transmission systems or environments with high levels of electromagnetic interference.

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47. What navigation system determines the aircraft height above the terrain?

Explanation

The radar altimeter is the navigation system that determines the aircraft's height above the terrain. Unlike the global positioning system (GPS) which provides the aircraft's position, the radar altimeter specifically measures the distance between the aircraft and the ground directly below it. This information is crucial for pilots to maintain safe altitude during takeoff, landing, and low-level flight operations. Doppler radar and radar set are not specifically designed for determining aircraft height above the terrain, making them incorrect options.

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48.  When calibrating the power sensor, adjust the CAL ADJ control so that the digital readout indicates

Explanation

When calibrating the power sensor, the CAL ADJ control should be adjusted so that the digital readout indicates 1.000 mW. This means that the power sensor is being calibrated to measure power in milliwatts.

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49. All of the following are advantages of a multiplex bus except

Explanation

A multiplex bus is a communication system that allows multiple signals to be transmitted simultaneously over a single channel. It offers several advantages, including increased reliability, reduced aircraft weight, and a decrease in the volume of wires required for communication. However, it does not decrease available space. In fact, a multiplex bus can help optimize space utilization by reducing the number of individual wires and cables needed for communication, thus freeing up more space for other components or purposes.

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50. Which area is not a primary fire hazard area on the aircraft?

Explanation

The avionic equipment compartment is not a primary fire hazard area on the aircraft. This area is specifically designed to house the aircraft's avionic equipment, which includes electronic systems and instruments. While these components may generate heat, they are not typically considered to be a significant fire hazard compared to other areas such as aircraft batteries, auxiliary power units, and accessory drive gearboxes. These areas have a higher potential for fire due to the presence of flammable materials or the generation of heat and electrical energy.

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51. As an electronic warfare technician, what two primary reprogramming exercises will you probably be involved in?

Explanation

As an electronic warfare technician, you will probably be involved in SERENE BYTE and PACER WARE reprogramming exercises. These exercises are likely to be the primary ones that you will engage in as they are specifically mentioned as the correct answer options. The other options, BRAVE BYTE and PROUD BYTE, and PROUD BYTE and SERENE BYTE, are not mentioned as the primary exercises, making them less likely to be the correct answer. Similarly, NEPTUNE BYTE and PACER WARE are not mentioned as the primary exercises, making them less likely to be the correct answer.

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52.  What material is designed to prevent the generation of a static charge, but is not a static shield?

Explanation

Antistatic material is designed to prevent the generation of a static charge. It is different from a static shield, which is specifically used to block or redirect static electricity. Antistatic materials work by allowing the static charge to flow through them, effectively neutralizing it. This helps to prevent damage to sensitive electronic components or equipment that may be affected by static electricity. Conductive materials, on the other hand, allow the flow of electricity and are often used for grounding purposes. Nonconductive materials do not allow the flow of electricity, while static dissipative materials allow the controlled dissipation of static charges.

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53.  In a fiber optic cable, what effect does increasing the frequency of a signal have on signal attenuation?

Explanation

Increasing the frequency of a signal in a fiber optic cable does not have any effect on signal attenuation. Attenuation refers to the loss of signal strength as it travels through the cable. In fiber optic cables, attenuation is primarily caused by factors such as scattering and absorption of light, which are independent of the signal frequency. Therefore, regardless of the frequency, the attenuation remains the same.

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54. The most common device used to connect the sections of a wave guide is the

Explanation

A choke joint is commonly used to connect the sections of a waveguide. It is designed to prevent the leakage of electromagnetic waves and to provide a smooth transition between the sections. The choke joint consists of a flange with a series of concentric ridges that create a high impedance barrier, effectively blocking the propagation of unwanted waves. This helps to maintain the integrity and efficiency of the waveguide system by minimizing signal loss and reflections. The other options, such as the isolator, magic tee, and directional coupler, serve different purposes and are not primarily used for connecting waveguide sections.

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55. When approaching overheated aircraft wheels, how do you always approach the wheels?

Explanation

When approaching overheated aircraft wheels, it is always recommended to approach from the front of or behind the wheel. This is because approaching from the side of the wheel can put the person at risk of being hit by debris or fragments if the wheel fails or explodes. Approaching at a 45° angle to the wheel may still expose the person to potential danger. Therefore, it is safest to approach from the front or behind the wheel to minimize the risk of injury.

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56. Which software enables the CAPRE to communicate with reprogramming equipment?

Explanation

The CAPRE Communication Manager (CCM) is the software that enables the CAPRE to communicate with reprogramming equipment. This software acts as a bridge between the CAPRE and the reprogramming equipment, allowing them to exchange data and commands effectively. The operating system (OS) is the underlying software that manages the computer's hardware and software resources, but it does not specifically enable communication with reprogramming equipment. The Aircraft Adapter Group (AAG) and Operational Flight Program (OFP) are not software solutions that facilitate communication with reprogramming equipment.

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57. Which of the following is a function of the MIL-STD–1553 data bus mode codes?

Explanation

The MIL-STD-1553 data bus mode codes are used for various functions in the system. One of these functions is commanding an RT (Remote Terminal) to initiate a system self-test. This means that the mode codes can be used to send specific instructions to an RT to start a self-test of the system. This allows for the testing and verification of the system's functionality and performance.

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58. How many fuselage sections is the B–1B divided into?

Explanation

The B-1B is divided into five fuselage sections.

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59. What radar simulator group unit operates in the manual mode only?

Explanation

The radar simulator group unit that operates in the manual mode only is the CW box. This means that it can only be controlled and operated manually, without any automated or computerized functions. The Pulse box, Storage box, and Battery charger may have other modes of operation or automated features, but the CW box is limited to manual control only.

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60. What countermeasures dispenser tester (CDT) functional check measures the firing pulse amplitude and pulse duration?

Explanation

The countermeasures dispenser tester (CDT) functional check measures the firing pulse amplitude and pulse duration. This check is performed to ensure that the dispenser is functioning correctly and that the firing pulse, which releases the countermeasures, has the correct amplitude and duration. By measuring these parameters, any deviations or abnormalities can be detected, allowing for necessary adjustments or repairs to be made.

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61. Where on the countermeasures dispenser tester (CDT) LCD display field are the plunger pin arrows shown?

Explanation

The plunger pin arrows are shown on the left and right side of the countermeasures dispenser tester (CDT) LCD display field.

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62. When wavelength equals rate of travel/frequency, the wavelength for a sine wave with a frequency of 2MHz is

Explanation

The wavelength of a wave is calculated by dividing the speed of the wave by its frequency. In this question, the frequency is given as 2MHz (2 million cycles per second). Since the speed of the wave is not given, we cannot calculate the exact wavelength. However, we can determine that the wavelength will be inversely proportional to the frequency. This means that as the frequency increases, the wavelength decreases. Therefore, out of the given options, the wavelength of 150 meters is the most reasonable choice for a wave with a frequency of 2MHz.

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63. The B–2A is divided into how many major sections?

Explanation

The correct answer is 5 because the given options are the number of major sections into which the B-2A is divided. Out of the given options, 5 is the only number that is mentioned. Therefore, the B-2A is divided into 5 major sections.

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64. On the pulse generator, selection of NORM mode produces

Explanation

In NORM mode on the pulse generator, a continuous pulse output is produced. This means that the pulse generator will continuously generate pulses without interruption. This mode is useful in applications where a continuous and uninterrupted pulse signal is required, such as in testing or timing circuits.

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65. When unit three of a AN/APM–427 radar simulator group is on, the

Explanation

When unit three of an AN/APM-427 radar simulator group is turned on, the green light is illuminated. This suggests that the green light serves as an indicator for the activation or functioning of unit three. The other options - amber light, keypad light, and system on light - are not mentioned in relation to the activation of unit three, making them incorrect choices.

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66. What key of a radio frequency transmission line test set (RFTLTS) do you use to access the alpha portion of the alphanumeric key?

Explanation

In order to access the alpha portion of the alphanumeric key in a radio frequency transmission line test set (RFTLTS), you would use the SELECT key. The SELECT key is typically used to choose or highlight a specific option or function, which in this case would allow you to access the alpha portion of the alphanumeric key.

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67. What type of damage softens the protective conformal coatings on circuit boards and components?

Explanation

Solvent damage refers to the weakening or softening of the protective conformal coatings on circuit boards and components. Solvents have the ability to dissolve or break down these coatings, compromising their protective properties. This can lead to potential damage or malfunction of the circuit board or its components.

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68. What component of a fiber optic communication system changes electrical energy in the form of a current into optical energy (light)?

Explanation

The component of a fiber optic communication system that changes electrical energy into optical energy is the source. The source generates the light signal that is then transmitted through the fiber optic cables. This can be done using a laser diode or a light-emitting diode (LED), which convert electrical energy into light energy. The emitted light signal carries the information to be transmitted through the fiber optic system.

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69. On the B–1B, which of the following is not a major aircraft structural area?

Explanation

The B-1B aircraft has several major structural areas, including the fuselage, windows, stabilizers, and wing carry-through. However, the wing carry-through is not considered a major aircraft structural area. This term refers to the structure that connects the wings to the fuselage and helps distribute the load and stress between them. While it is an important component for the overall integrity of the aircraft, it is not classified as a major structural area like the fuselage, windows, and stabilizers.

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70. From an applied signal, input pulses are collected in binary form, then converted into decimal form for digital readout describes the operation of a

Explanation

The explanation for the correct answer, frequency counter, is that a frequency counter is a device used to measure the frequency of an input signal. In this case, the applied signal is collected in binary form, indicating that it is a digital signal. The input pulses are then converted into decimal form, which is a common representation for frequency measurements. Therefore, the operation described aligns with the functionality of a frequency counter.

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71. What determines the distance to the discontinuity of a cable?

Explanation

The distance to the discontinuity of a cable is determined by the reflected amplitude between the transmitted and reflected pulses. When a pulse travels down a cable and encounters a discontinuity, part of the pulse is reflected back towards the source. The amplitude of this reflected pulse is important in determining the distance to the discontinuity. By analyzing the amplitude of the reflected pulse, one can determine the location of the discontinuity in the cable.

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72. The radio frequency transmission line test set (RFTLTS) is used to diagnose cable faults through voltage standing wave ratio (VSWR)/return loss measurements and

Explanation

The radio frequency transmission line test set (RFTLTS) is used to diagnose cable faults. One of the methods used for diagnosing cable faults is distance-to-fault measurements. This method involves measuring the distance from the test set to the fault in the cable. By analyzing the reflections and attenuations of the signal, the test set can determine the location of the fault along the cable. Therefore, distance-to-fault measurements are an important function of the RFTLTS in diagnosing cable faults.

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73. When performing electrical measurements of radio frequency (RF) lines, which of the following will not load the line and upset its normal characteristics?

Explanation

A slotted line section will not load the RF line and upset its normal characteristics because it is specifically designed to allow the RF signal to pass through without impedance or reflection. A slotted line section is used for measuring the standing wave ratio (SWR) of the RF line and does not introduce any additional impedance or disturbance to the line. In contrast, an ammeter, voltmeter, or neon bulb can all introduce additional impedance or load to the RF line, which can affect its normal characteristics.

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74. What precaution must you adhere to prior to applying heat shrink on a wire repair job?

Explanation

Prior to applying heat shrink on a wire repair job, it is important to adhere to the precaution of reading all procedures in TO 1-1A-14. This ensures that the repair job is done correctly and in accordance with the proper guidelines. Additionally, it is important to be aware of the warnings concerning the use of heat tools on aircraft to prevent any potential damage or safety hazards.

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75. The forward intermediate fuselage of the B–1B contains

Explanation

The forward intermediate fuselage of the B-1B contains two weapons bays. These bays are used to store and deploy various weapons, such as bombs and missiles. They are an essential part of the aircraft's offensive capabilities, allowing it to carry and release weapons during missions.

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76. How is a serial multiplex bus different than a parallel multiplex bus?

Explanation

A serial multiplex bus is different from a parallel multiplex bus because it receives all data bits in sequence, meaning that each bit is transmitted one after the other. This allows for a more efficient use of the twisted wire pairs, as fewer pairs are needed to transmit the data. In contrast, a parallel multiplex bus receives all data bits at the same time, requiring more twisted wire pairs to transmit the data simultaneously. Therefore, the correct answer is that a serial multiplex bus receives all data bits in sequence and uses less twisted wire pairs.

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77. What is unit five of the radar simulator group?

Explanation

Unit five of the radar simulator group is the battery charger. This suggests that the radar simulator group consists of multiple units, and unit five specifically serves the purpose of charging batteries. The other options, CW box, pulse box, and storage box, do not indicate any association with charging batteries. Therefore, the correct answer is battery charger.

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78. When radio frequency transmission line test set (RFTLTS) is used, you must use the DTF self-alignment, insertion loss self-alignment, or

Explanation

When using a radio frequency transmission line test set (RFTLTS), it is necessary to use VSWR/return loss self-alignment. VSWR stands for voltage standing wave ratio, which measures the efficiency of power transfer between the transmitter and the antenna. Return loss measures the amount of power reflected back from the antenna to the transmitter. By using VSWR/return loss self-alignment, the RFTLTS ensures that the transmission line is properly aligned and optimized for efficient power transfer and minimal signal loss.

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79. The common aircraft portable reprogramming equipment (CAPRE) is powered by a(n)

Explanation

The common aircraft portable reprogramming equipment (CAPRE) requires both an AC adapter and a lithium-Ion battery for power. This indicates that the equipment can be powered either by plugging it into an AC power source or by using the lithium-Ion battery. The use of both power sources allows for flexibility and portability, as the equipment can be used in various settings, whether there is access to an AC power source or not.

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80. The secure telephone unit (STU-III) is able to provide

Explanation

The secure telephone unit (STU-III) is a device that is capable of providing both secure and nonsecure voice and data capabilities. This means that it can encrypt and protect both voice and data communications, ensuring that they cannot be intercepted or accessed by unauthorized individuals. This makes the STU-III a versatile and reliable tool for secure communication in various settings, such as government agencies or military operations.

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81. What percentage of minor shield damage can the flight line technician repair?

Explanation

The flight line technician can repair up to 25 percent of the outer shield circumference. This means that any damage to the outer shield that is within this percentage can be repaired by the technician. The inner shield circumference is not mentioned in relation to the repair percentage, so it is not relevant to the answer.

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82. What control compensates for mismatch losses over the frequency range of the power sensor?

Explanation

The control that compensates for mismatch losses over the frequency range of the power sensor is CAL FACTOR%. This control adjusts the calibration factor of the power sensor to account for any losses or discrepancies in the measurement due to frequency variations. By adjusting the CAL FACTOR%, the power sensor can provide accurate power measurements across the entire frequency range.

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83. The radar simulator group consists of

Explanation

The radar simulator group consists of 3 pulse boxes. This means that there are three pulse boxes included in the group.

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84. Which navigation system aids in aerial refueling operations?

Explanation

A rendezvous beacon is a navigation system that aids in aerial refueling operations. It is used to guide aircraft to a specific location for refueling. The beacon emits a signal that can be detected by the aircraft's navigation equipment, allowing the pilot to accurately navigate and align the aircraft for the refueling process. This system is crucial in ensuring a safe and efficient aerial refueling operation.

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85. What test equipment is used to perform a complete checkout of the receiver operation (antenna, cables, and line replaceable units)?

Explanation

A radar simulator is used to perform a complete checkout of the receiver operation, including the antenna, cables, and line replaceable units. This equipment is specifically designed to simulate radar signals and provide a realistic testing environment for the receiver. It allows technicians to evaluate the performance of the receiver under various conditions and ensure that all components are functioning properly. An oscilloscope, pulse generator, and spectrum analyzer are not typically used for this purpose, as they do not provide the necessary simulation capabilities.

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86. Which is not a type of coupling device normally found in an electrical connector?

Explanation

The given options describe different types of coupling devices found in electrical connectors. Friction coupling, threaded coupling ring, and bayonet lock are all commonly used types of coupling devices. However, "insertion" is not a type of coupling device. It is a general action that refers to the process of inserting a connector into a corresponding socket or receptacle. Therefore, "insertion" is the correct answer as it does not represent a specific type of coupling device.

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87. What type of fiber optic loss occurs when part of the light being transmitted is blocked?

Explanation

Lateral displacement refers to the phenomenon where part of the light being transmitted through a fiber optic cable is blocked or diverted from its intended path. This can happen due to factors such as bends, twists, or misalignments in the fiber optic cable. As a result, the blocked or diverted light causes loss in signal strength and quality, leading to a decrease in overall transmission efficiency.

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88. What fiber optic connector is best used in rugged, high vibration areas?

Explanation

The SMA fiber optic connector is best used in rugged, high vibration areas because it has a threaded coupling mechanism that provides a secure and reliable connection. The threaded design helps to prevent accidental disconnection due to vibrations or movement. Additionally, the SMA connector is more robust and durable compared to other connectors like ST, BNC, or TNC, making it ideal for harsh environments where there may be frequent vibrations or mechanical stress.

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89. Resolution, in reference to a frequency counter, is the

Explanation

The resolution of a frequency counter refers to the degree of accuracy of the reading it provides. It indicates how finely the counter can measure and display frequencies. A higher resolution means that the counter can provide more precise and accurate frequency readings, while a lower resolution may result in less accurate measurements. Therefore, the correct answer is "degree of accuracy of the reading."

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90. The programmer loader verifier (PLV) automatic functions include

Explanation

The correct answer is BIT level 1. The programmer loader verifier (PLV) automatic functions include BIT level 1, which refers to the first level of Built-In Test (BIT) capabilities. This level involves performing basic tests on the system's components to ensure they are functioning correctly. It is an essential step in the verification process to identify any potential issues or faults in the system.

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91. What navigation system contains a gyro-stabilized platform with acceleration sensors?

Explanation

The correct answer is Inertial Navigation System (INS). An INS contains a gyro-stabilized platform with acceleration sensors. This system uses accelerometers and gyroscopes to continuously measure the acceleration and rotation of an aircraft or vehicle. By integrating these measurements over time, the INS can calculate the position, velocity, and attitude of the vehicle. This makes it a reliable navigation system, especially in situations where other external navigation aids like GPS or radar may be unavailable or unreliable.

Submit
92. Before using the power meter, you must first ensure

Explanation

To accurately measure power using a power meter, it is essential to set it to the line voltage you are using. This is because different line voltages can affect the power measurement and accuracy. By setting the power meter to the correct line voltage, you ensure that the measurements are consistent and reliable.

Submit
93. What is the maximum number of threat entries that can be entered in the programmable scenario into a selected pulse box?

Explanation

The maximum number of threat entries that can be entered in the programmable scenario into a selected pulse box is 64. This means that the pulse box can store up to 64 different threat entries, allowing for a wide range of potential threats to be programmed into the scenario.

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94. Which communication system consists of airborne and ground command post terminals?

Explanation

Air Force satellite communication (AFSATCOM) is the correct answer because it is the only option that mentions a communication system involving both airborne and ground command post terminals. HF, UHF, and VHF are frequencies used for communication, but they do not specifically mention the involvement of airborne and ground command post terminals. AFSATCOM, on the other hand, is a satellite communication system used by the Air Force that includes both airborne and ground command post terminals.

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95.  What indicates the relative signal strength of the received radio frequency (RF) signal?

Explanation

The vertical deflection of the trace on a radio frequency (RF) signal indicates the relative signal strength. When the trace is higher, it means that the signal is stronger, and when it is lower, it means that the signal is weaker. The vertical deflection is a visual representation of the amplitude or intensity of the RF signal being received.

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96. What control compensates for a slight sensitivity associated with a particular type of power sensor?

Explanation

CAL ADJ. is the control that compensates for a slight sensitivity associated with a particular type of power sensor. This control allows for the adjustment of the calibration of the sensor, ensuring accurate measurements by compensating for any sensitivity issues. By using CAL ADJ., the power sensor can be calibrated to provide precise and reliable readings, compensating for any slight sensitivity deviations.

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97. The software that contains algorithms, that receive, identify, process, and do jamming tasks is the

Explanation

The operational flight program is the software that contains algorithms capable of receiving, identifying, processing, and performing jamming tasks. It is specifically designed for use during missions and is responsible for executing various functions related to flight operations. The other options, such as mission data file, code form message, and emitter identification data, do not encompass the full range of capabilities required for these tasks, making operational flight program the correct answer.

Submit
98. What transmitter device changes electrical signals into light signals?

Explanation

The injection laser diode is a transmitter device that converts electrical signals into light signals. It achieves this through a process called injection laser diode, where an electrical current is injected into a semiconductor material, causing it to emit light. This device is commonly used in various applications such as telecommunications, optical fiber communication, and laser printing.

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99. What method, used to produce correct end finishes during a fiber optic cable spice, is more commonly used with connectors?

Explanation

The method commonly used with connectors to produce correct end finishes during a fiber optic cable splice is scribe-and-break. This technique involves using a diamond scribe to create a small scratch or scribe mark on the fiber, and then breaking the fiber along the scribe mark. This results in a clean and flat end finish, which is essential for proper alignment and optimal performance of the connector.

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100. What multiplexing method is used to transmit information over a data bus?

Explanation

Time division multiplexing (TDM) is the multiplexing method used to transmit information over a data bus. In TDM, the available bandwidth is divided into time slots, and each slot is allocated to a different source or channel. This allows multiple sources to share the same transmission medium by taking turns transmitting their data during their allocated time slots. TDM is commonly used in telecommunications systems and is efficient for transmitting data over a data bus as it ensures that each source gets a fair and equal opportunity to transmit its information.

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101. Which system allows aircrews to land safely at night or in adverse weather conditions?

Explanation

The Instrument Landing System (ILS) allows aircrews to land safely at night or in adverse weather conditions. It provides radio signals to guide the aircraft along the correct approach path and helps the pilot maintain the correct descent rate and alignment with the runway. The ILS includes components such as glide slope and localizer antennas, which provide vertical and horizontal guidance to the pilot. This system is crucial for ensuring safe landings when visibility is poor or when pilots need assistance in navigating accurately to the runway.

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102.  What does the vertical deflection on the time domain reflectometer's cathode-ray tube indicate?

Explanation

The vertical deflection on the time domain reflectometer's cathode-ray tube indicates the reflected amplitude. This means that it shows the strength or magnitude of the reflected signal. The higher the vertical deflection, the stronger the reflected amplitude of the signal being measured.

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103. The CAPRE requires visual inspection of components

Explanation

The correct answer is annually because the statement mentions that the CAPRE requires visual inspection of components. Inspecting components annually ensures that any potential issues or damages can be identified and addressed in a timely manner. Regular inspections help to maintain the performance and reliability of the components, ensuring their proper functioning and longevity.

Submit
104. How many seconds does it take to change from a clear call to a secure call?

Explanation

It takes 16 seconds to change from a clear call to a secure call.

Submit
105. Which B–2 aircraft section serves as the exhaust ramp surface?

Explanation

The aft intermediate section of a B-2 aircraft serves as the exhaust ramp surface.

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106. Section 41 of B–52H fuselage contains the

Explanation

The correct answer is upper and lower crew compartments. This section of the B-52H fuselage contains the areas where the crew members are located during flight. The upper crew compartment is typically where the pilot and co-pilot sit, while the lower crew compartment is where the rest of the crew, such as the navigator and weapons systems officer, are situated. This section is important for housing the crew and providing them with the necessary space and equipment to perform their duties during flight.

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107. What assembly allows the helicopter to move in multiple directions?

Explanation

The main rotor is responsible for generating lift and propulsion, allowing the helicopter to move in multiple directions. It creates an upward force to counteract gravity, and by changing the pitch of the rotor blades, it can also generate forward, backward, and sideways movement. The tail rotor, on the other hand, is primarily responsible for counteracting the torque produced by the main rotor, providing stability and preventing the helicopter from spinning in the opposite direction. The stabilator is an adjustable stabilizer on the tail that helps control the helicopter's pitch, while the swash plate is a mechanism that controls the pitch of the main rotor blades.

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108. A time domain reflectometer display that starts in the upper left corner of the screen drops down at mid screen and departs in the lower right screen indicates

Explanation

A time domain reflectometer (TDR) is a device used to measure the length and integrity of a cable. In this case, the display starting in the upper left corner and dropping down at mid-screen suggests that there is a sudden change or disruption in the cable. This indicates a short circuit, where the signal is being diverted or interrupted, causing the display to drop. Therefore, the correct answer is a short.

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109. Which engine cowling covers starter cartridges and the engine combustion chamber?

Explanation

The afterbody cowl is the correct answer because it covers both the starter cartridges and the engine combustion chamber. The other options, such as the firewall cowling, nose cowl, and wrap cowl, do not specifically cover these components.

Submit
110. A 1553 data bus message must contain at least one command word with a maximum of how many data words?

Explanation

A 1553 data bus message must contain at least one command word, which is used to send instructions or commands. The maximum number of data words that can be included in the message is 32. Data words are used to transmit data or information. Therefore, the correct answer is 32.

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111. The power sensor is used to establish the active frequency range and power range within the design parameters of the

Explanation

The power meter is used to establish the active frequency range and power range within the design parameters of the instrument. It measures the power of the signal being measured and provides accurate readings of the power level. This information is crucial for various applications, such as in RF and microwave systems, where it is important to ensure that the power levels are within the desired range for proper operation. The power meter helps in determining the power range and frequency range that the instrument can handle effectively.

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112. Before using the spectrum analyzer to make any measurements, calibrate it by using the

Explanation

The correct answer is CAL OUTPUT signal. Before using the spectrum analyzer for measurements, it is necessary to calibrate it using the CAL OUTPUT signal. This signal is specifically designed for calibration purposes and ensures accurate and reliable measurements. By using the CAL OUTPUT signal, the spectrum analyzer can be properly adjusted and calibrated to provide precise and consistent results.

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113. A power sensor is essentially a

Explanation

A power sensor is a device that measures the power of an electrical signal. It is not a capacitor, resistor, or transistor, as these components have different functions in an electrical circuit. A transducer, on the other hand, is a device that converts one form of energy into another. In the case of a power sensor, it converts electrical power into a measurable output signal, making "transducer" the correct answer.

Submit
114. In relation to the time domain reflectometer, horizontal deflection on the cathode-ray tube equates to

Explanation

In relation to the time domain reflectometer, the horizontal deflection on the cathode-ray tube represents the distance. Time domain reflectometers are used to measure the length or distance of a cable or transmission line by sending a pulse down the line and analyzing the reflections. The horizontal deflection on the cathode-ray tube corresponds to the time it takes for the pulse to travel down the line and return, which can be used to calculate the distance. Therefore, the correct answer is distance.

Submit
115. The pulse box alphanumeric keyboard has

Explanation

The pulse box alphanumeric keyboard has two single function keys and fourteen dual function keys. This means that there are two keys that perform only one function each, and there are fourteen keys that can perform two functions depending on the context or combination with other keys.

Submit
116. What major internal radio frequency transmission line test set (RFTLTS) operating function digitizes the radio frequency (RF) and video results of test data?

Explanation

The major internal radio frequency transmission line test set (RFTLTS) operating function that digitizes the radio frequency (RF) and video results of test data is response measurement. This function is responsible for measuring and analyzing the response of the transmission line to determine its performance and quality. It converts the analog RF and video signals into digital data for further processing and analysis.

Submit
117. What notifies units to upload a specific Electronic Warfare (EW) software change?

Explanation

An implementation message is used to notify units to upload a specific Electronic Warfare (EW) software change. This message is specifically sent out to inform units about the implementation of a software change and instruct them to upload the new software. It serves as a communication tool to ensure that all units are aware of the change and take the necessary action to update their systems accordingly.

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118. What piece of test equipment is the most accurate instrument for making frequency and time interval measurement?

Explanation

A frequency counter is the most accurate instrument for making frequency and time interval measurements. It is specifically designed to measure the frequency of signals and can provide precise measurements with high accuracy. While an oscilloscope can display waveforms and provide some frequency measurement capabilities, a frequency counter is specifically dedicated to frequency measurement and therefore offers greater accuracy. A spectrum analyzer is used to analyze the frequency spectrum of a signal and may not provide the same level of accuracy for individual frequency measurements. A time domain reflectometer is used to measure the distance to faults in cables and is not primarily designed for frequency or time interval measurements.

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119. When determining distance from the time domain reflectometer to the discontinuity, count the number of cathode ray tube (CRT) divisions between the

Explanation

The correct answer is to count the number of cathode ray tube (CRT) divisions between the leading edge of the incident pulse and the leading of the reflected pulse. This means that the distance is measured from the point where the incident pulse starts to the point where the reflected pulse starts.

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120. The accessory kit of the radio frequency transmission line test set (RFTLTS) is unit

Explanation

The given statement suggests that the accessory kit of the radio frequency transmission line test set (RFTLTS) is a single unit. This means that all the necessary accessories for the test set are included in one package or container, making it convenient and easy to transport and use.

Submit
121. What is not a part of the Electronic Warfare Integrated Reprogramming (EWIR) exercise?

Explanation

The Electronic Warfare Integrated Reprogramming (EWIR) exercise involves various aspects such as smooth flow of information during crisis, readiness in response to threat parameter changes, and training of operations, intelligence, communications, and maintenance personnel. However, the evaluation of routine operational change requests is not a part of this exercise.

Submit
122. What describes in detail how an Electronic Warfare Integrated Reprogramming (EWIR) change affects an Electronic Warfare (EW) system?

Explanation

A reprogramming impact message provides a detailed description of how an Electronic Warfare Integrated Reprogramming (EWIR) change affects an Electronic Warfare (EW) system. It outlines the specific impacts and changes that will occur as a result of the reprogramming, ensuring that the system operators and maintainers are aware of the modifications and can properly implement them. This message serves as a communication tool to inform all relevant personnel about the effects of the reprogramming on the EW system.

Submit
123. What radio frequency transmission line test set (RFTLTS) test is based on a ratio of power out of a unit under test (UUT) to the RFTLTS power fed into the UUT?

Explanation

The correct answer is VSWR/return loss. The ratio of power out of a unit under test (UUT) to the power fed into the UUT is known as the VSWR (Voltage Standing Wave Ratio) or return loss. VSWR/return loss is a measure of how well the UUT is able to transmit power without reflections. A high VSWR or return loss indicates a mismatch or impedance mismatch in the transmission line, leading to power loss and reduced efficiency. Therefore, the VSWR/return loss test is used to assess the performance and quality of the transmission line.

Submit
124. How many operating modes does the pulse generator have?

Explanation

The correct answer is 5 because the question asks about the number of operating modes of the pulse generator. Since the answer choices are numerical options, we can assume that the pulse generator has a specific number of operating modes. Therefore, the pulse generator has 5 operating modes.

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Standard data bus interfaces, supported within the programmer loader...
What system consists of emergency exits, ejection seats, and hatch...
The typical 1553 data bus system command that provides a mechanism for...
Which of the following is not looked for during a visual preventative...
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What precaution must you take first before installing an electrostatic...
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What components are used to guard against accidental firing of...
What countermeasures dispensing system (CMDS) uses the countermeasures...
Which type of cable is used to carry radio frequency (RF) power from...
Which condition of an EMP hardened cable is considered nonrepairable...
Which navigation system provides the aircraft position, security ID,...
What lubricant is available in an aerosol and used for light to...
At what voltage level can electrostatic discharges (ESD) not be seen,...
The number and position of the fire extinguisher is determined by
Which is a DoD-owned network approved for classified data transfer?
What is the reflective surface that propagates light along the optical...
What part of the helicopter counteracts the torque condition?
Which method of tool layout prevents a quick, accurate inventory of a...
What helps to dissipate and lessen the effects of electrostatic...
What length of lacing cord is required to properly lace a cable bunch?
Which action is not a safety precaution for deactivating chaff/flare...
The composite tool kit (CTK) program was developed to
 How do you ensure that a coaxial cable transmission line is...
The disadvantage of using a wave guide is its
Which B–2 doors have blade seals?
On the ACES II ejection seat, what indicates a "hot" seat?
The span of the display, on a spectrum analyzer, is the size of the...
 The common aircraft portable reprogramming equipment (CAPRE)...
What advantage of fiber optic cable allows for a greatly increased...
A transmission line with a simple construction, high radiation loss,...
What type of loss occurs as a result of electrical current flowing...
Which navigation system provides position, altitude, speed, and time...
Damage to the sampling gate or tunnel diode of a time domain...
Which of the following is an Air Force reprogramming exercise?  
Which receiver device produces current in response to incident light?
The minimum bend radius for a coaxial cable is
Which of the following is not a proper procedure for soldering a...
Which communication system provides encryption and decryption of voice...
What piece of test equipment is used to measure absolute or relative...
What key on the pulse box enables the user to use the top portion of...
What switch on the countermeasures dispenser tester (CDT) allows for...
What position of the DATA switch is selected to display the fire test...
Shielded cable consists of
What type of cable is required for greater shielding against...
What navigation system determines the aircraft height above the...
 When calibrating the power sensor, adjust the CAL ADJ control so...
All of the following are advantages of a multiplex bus except
Which area is not a primary fire hazard area on the aircraft?
As an electronic warfare technician, what two primary reprogramming...
 What material is designed to prevent the generation of a static...
 In a fiber optic cable, what effect does increasing the...
The most common device used to connect the sections of a wave guide is...
When approaching overheated aircraft wheels, how do you always...
Which software enables the CAPRE to communicate with reprogramming...
Which of the following is a function of the MIL-STD–1553 data...
How many fuselage sections is the B–1B divided into?
What radar simulator group unit operates in the manual mode only?
What countermeasures dispenser tester (CDT) functional check measures...
Where on the countermeasures dispenser tester (CDT) LCD display field...
When wavelength equals rate of travel/frequency, the wavelength for a...
The B–2A is divided into how many major sections?
On the pulse generator, selection of NORM mode produces
When unit three of a AN/APM–427 radar simulator group is on, the
What key of a radio frequency transmission line test set (RFTLTS) do...
What type of damage softens the protective conformal coatings on...
What component of a fiber optic communication system changes...
On the B–1B, which of the following is not a major aircraft...
From an applied signal, input pulses are collected in binary form,...
What determines the distance to the discontinuity of a cable?
The radio frequency transmission line test set (RFTLTS) is used to...
When performing electrical measurements of radio frequency (RF) lines,...
What precaution must you adhere to prior to applying heat shrink on a...
The forward intermediate fuselage of the B–1B contains
How is a serial multiplex bus different than a parallel multiplex bus?
What is unit five of the radar simulator group?
When radio frequency transmission line test set (RFTLTS) is used, you...
The common aircraft portable reprogramming equipment (CAPRE) is...
The secure telephone unit (STU-III) is able to provide
What percentage of minor shield damage can the flight line technician...
What control compensates for mismatch losses over the frequency range...
The radar simulator group consists of
Which navigation system aids in aerial refueling operations?
What test equipment is used to perform a complete checkout of the...
Which is not a type of coupling device normally found in an electrical...
What type of fiber optic loss occurs when part of the light being...
What fiber optic connector is best used in rugged, high vibration...
Resolution, in reference to a frequency counter, is the
The programmer loader verifier (PLV) automatic functions include
What navigation system contains a gyro-stabilized platform with...
Before using the power meter, you must first ensure
What is the maximum number of threat entries that can be entered in...
Which communication system consists of airborne and ground command...
 What indicates the relative signal strength of the received...
What control compensates for a slight sensitivity associated with a...
The software that contains algorithms, that receive, identify,...
What transmitter device changes electrical signals into light signals?
What method, used to produce correct end finishes during a fiber optic...
What multiplexing method is used to transmit information over a data...
Which system allows aircrews to land safely at night or in adverse...
 What does the vertical deflection on the time domain...
The CAPRE requires visual inspection of components
How many seconds does it take to change from a clear call to a...
Which B–2 aircraft section serves as the exhaust ramp surface?
Section 41 of B–52H fuselage contains the
What assembly allows the helicopter to move in multiple directions?
A time domain reflectometer display that starts in the upper left...
Which engine cowling covers starter cartridges and the engine...
A 1553 data bus message must contain at least one command word with a...
The power sensor is used to establish the active frequency range and...
Before using the spectrum analyzer to make any measurements, calibrate...
A power sensor is essentially a
In relation to the time domain reflectometer, horizontal deflection on...
The pulse box alphanumeric keyboard has
What major internal radio frequency transmission line test set...
What notifies units to upload a specific Electronic Warfare (EW)...
What piece of test equipment is the most accurate instrument for...
When determining distance from the time domain reflectometer to the...
The accessory kit of the radio frequency transmission line test set...
What is not a part of the Electronic Warfare Integrated Reprogramming...
What describes in detail how an Electronic Warfare Integrated...
What radio frequency transmission line test set (RFTLTS) test is based...
How many operating modes does the pulse generator have?
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