Volume 4 - 2014 2a651s CDC
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(603) Which metals are used in the EGT indicating system thermocouples?
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Steel and iron.
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Steel and alumel.
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Iron and chromel.
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Alumel and chromel.
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This quiz from Volume 4 - 2014 2A651S CDC evaluates knowledge on aircraft and engine troubleshooting, focusing on practices, systems, and components like EDU and DCU in the F100-PW-220 engine. It is designed to enhance understanding of aircraft maintenance procedures.
Quiz Preview
- 2.
(601) To become an expert troubleshooter, you must
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Be a 7-level.
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Have at least five years experience.
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Complete college courses in troubleshooting techniques.
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Understand the function of each unit within each system.
Correct Answer
A. Understand the function of each unit within each system.Explanation
To become an expert troubleshooter, it is essential to have a deep understanding of the function of each unit within each system. This knowledge allows the troubleshooter to identify and diagnose issues accurately, as they are familiar with how each component operates and interacts with other units. This expertise enables them to efficiently troubleshoot and resolve problems, making them an expert in their field.Rate this question:
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- 3.
(603) Most engine-monitoring gauges and instruments require some type of
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Electrical valve to the indicator.
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Metal tubing for electron flow.
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Radio frequency transmitter.
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Transmitter and indicator.
Correct Answer
A. Transmitter and indicator.Explanation
Most engine-monitoring gauges and instruments require a transmitter and indicator. This is because the transmitter is responsible for converting the physical quantity being measured (such as temperature or pressure) into an electrical signal, which is then transmitted to the indicator. The indicator, on the other hand, receives the electrical signal from the transmitter and displays the corresponding measurement value. Therefore, both the transmitter and indicator are necessary components for engine-monitoring gauges and instruments to function properly.Rate this question:
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- 4.
(603) A typical jet engine EGT indicating system contains thermocouples, leads, an indicator, and
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A resistor.
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A turbine inlet.
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A control valve.
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An exhaust duct.
Correct Answer
A. A resistor.Explanation
A typical jet engine EGT indicating system contains thermocouples, leads, an indicator, and a resistor. The resistor is an essential component in the system as it helps to calibrate and regulate the electrical signal from the thermocouples. It is used to convert the temperature readings into a measurable electrical signal that can be displayed on the indicator. Without the resistor, the system would not be able to accurately measure and display the engine's exhaust gas temperature.Rate this question:
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- 5.
(605) What engine vibration does not persist, but comes and goes?
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Forced.
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Transient.
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Resonance.
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Externally excited.
Correct Answer
A. Transient.Explanation
Transient engine vibration refers to vibrations that occur for a short period of time and then disappear. These vibrations are not persistent and can come and go intermittently. This is in contrast to other types of engine vibrations such as forced vibrations (which are caused by a continuous external force), resonance vibrations (which occur at a specific frequency), and externally excited vibrations (which are caused by external factors). Therefore, the correct answer is transient.Rate this question:
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- 6.
(614) Immediately prior to an engine test cell run, you check the engine and QEC kit (if applicable) for loose nuts, bolts, lock wire, tools, or any other material in order to
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Eliminate items that could possibly cause FOD.
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Assure that the instrumentation is working properly.
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Prevent wasted maintenance hours due to shutdown.
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Eliminate items that could cause inaccurate readings.
Correct Answer
A. Eliminate items that could possibly cause FOD.Explanation
The correct answer is to eliminate items that could possibly cause FOD (Foreign Object Damage). Checking for loose nuts, bolts, lock wire, tools, or any other material prior to an engine test run helps to ensure that no foreign objects are present that could potentially be sucked into the engine or cause damage during the test. This is important for the safety and proper functioning of the engine.Rate this question:
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- 7.
(601) Which of the following is not a proper troubleshooting practice?
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Checking the applicable trouble areas.
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Understanding the function of each engine unit.
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Inspecting other areas after isolating trouble between points.
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Performing easy checks, then going to more difficult checks.
Correct Answer
A. Inspecting other areas after isolating trouble between points.Explanation
Inspecting other areas after isolating trouble between points is not a proper troubleshooting practice. In troubleshooting, it is important to systematically identify and address potential problem areas. Inspecting other areas after isolating trouble between points can lead to wasted time and effort, as the root cause of the issue may have already been identified. It is more effective to focus on the specific trouble areas and perform easy checks first before moving on to more difficult checks. This approach allows for a more efficient and targeted troubleshooting process.Rate this question:
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- 8.
(601) The troubleshooting information contained in aircraft power plant and engine intermediate maintenance TO is presented in the form of
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Fix-it diagrams.
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Power plant charts.
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Mechanical drawings.
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Troubleshooting charts.
Correct Answer
A. Troubleshooting charts.Explanation
The correct answer is troubleshooting charts. The troubleshooting information in aircraft power plant and engine intermediate maintenance TO is presented in the form of charts. These charts provide a step-by-step guide for diagnosing and fixing issues that may arise in the power plant and engine systems of an aircraft. They help technicians identify the possible causes of a problem and guide them through the necessary steps to resolve it. This format allows for efficient and effective troubleshooting, ensuring that maintenance procedures are carried out accurately and quickly.Rate this question:
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- 9.
(607) What supports the fan and low-pressure turbine?
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Bushings.
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Brackets.
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Bearings.
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Bulkheads.
Correct Answer
A. Bearings.Explanation
Bearings support the fan and low-pressure turbine in a turbine engine. Bearings are mechanical devices that allow for smooth rotation by reducing friction between moving parts. In this context, bearings provide support and allow the fan and low-pressure turbine to rotate efficiently and smoothly, ensuring the proper functioning of the engine.Rate this question:
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- 10.
(601) Where should you begin troubleshooting after reviewing the aircraft/engine forms?
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Discuss problem with other journeymen in the shop.
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Check each part of every system.
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Examine most complex unit.
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Observe gauge indications.
Correct Answer
A. Observe gauge indications.Explanation
After reviewing the aircraft/engine forms, the next step in troubleshooting should be to observe gauge indications. This is because gauge indications provide valuable information about the functioning of different systems in the aircraft/engine. By closely monitoring the gauge readings, any abnormal or out-of-range indications can be identified, which can help in pinpointing the potential issues or malfunctions. This initial observation of gauge indications can provide a starting point for further investigation and troubleshooting of the problem.Rate this question:
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- 11.
(603) The fuel-flow indicator indicates the rate of fuel flow as
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Pounds per hour.
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Gallons per hour.
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Pounds per minute.
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Gallons per minute.
Correct Answer
A. Pounds per hour.Explanation
The fuel-flow indicator is a device that measures the rate at which fuel is flowing through the system. It provides information about how many pounds of fuel are being consumed per hour. This is an important metric for pilots to monitor as it helps them manage fuel consumption and determine the remaining fuel on board.Rate this question:
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- 12.
(606) Which type of vibration transducer is made of certain ceramic compounds and natural crystals?
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Velocity.
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Phase log.
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Displacement accelerometer.
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Piezoelectric accelerometer.
Correct Answer
A. Piezoelectric accelerometer.Explanation
A piezoelectric accelerometer is made of certain ceramic compounds and natural crystals. These materials have the property of generating an electric charge when subjected to mechanical stress or vibration. This type of transducer is commonly used to measure acceleration or vibration in various applications such as structural health monitoring, automotive testing, and aerospace engineering.Rate this question:
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- 13.
(613) What two types of test cells does the Air Force currently use?
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Fixed and portable.
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Single and combined.
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Permanent and temporary.
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Functional and progressive.
Correct Answer
A. Fixed and portable.Explanation
The Air Force currently uses two types of test cells: fixed and portable. Fixed test cells are permanent installations that are designed for long-term use and are typically located at air bases or testing facilities. Portable test cells, on the other hand, are temporary setups that can be easily transported and set up at different locations as needed. Both types of test cells serve the purpose of conducting tests and evaluations on aircraft engines and other equipment.Rate this question:
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- 14.
(614) When an engine arrives for a test run at the test cell, it must
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Only need replacing minor parts.
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Be operable with all known discrepancies corrected.
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Have the fuel line disconnected from the pump inlet.
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Only need torquing of minor bits and pieces.
Correct Answer
A. Be operable with all known discrepancies corrected.Explanation
When an engine arrives for a test run at the test cell, it must be operable with all known discrepancies corrected. This means that before the engine can be tested, any known issues or problems with the engine must be fixed or resolved. The engine should be in a condition where it can function properly and without any known faults or defects. This ensures that the test results accurately reflect the engine's performance and capabilities.Rate this question:
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- 15.
(615) What should you do with the engine model and serial number when making general entries on the test cell engine log sheet?
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Type these items.
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Check past records.
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Enter these only after the test is complete.
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Verify these numbers on the engine data plate.
Correct Answer
A. Verify these numbers on the engine data plate.Explanation
When making general entries on the test cell engine log sheet, it is important to verify the engine model and serial number on the engine data plate. This ensures that the correct information is being recorded and avoids any potential errors or discrepancies. By checking and confirming these numbers, the log sheet will accurately reflect the specific engine being tested.Rate this question:
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- 16.
(615) You can get information such as temperature and barometric pressure from equipment at the test cell site or from
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The control tower.
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Information on the radio.
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The local weather station.
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Your immediate supervisor.
Correct Answer
A. The control tower.Explanation
The control tower is the correct answer because it is responsible for monitoring and controlling air traffic at an airport. They have access to real-time information such as temperature and barometric pressure, which are important for flight operations. The control tower communicates with pilots and provides them with necessary information for safe takeoff and landing. Therefore, if you need information such as temperature and barometric pressure, the control tower would be the appropriate source to obtain it.Rate this question:
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- 17.
(615) The steps in removing the engine and test equipment from the test cell are
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Very hazardous.
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The reverse of the installation sequence.
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Completed only by 7-level craftsmen.
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Exactly the same as the installation sequence.
Correct Answer
A. The reverse of the installation sequence.Explanation
The correct answer is "the reverse of the installation sequence." This means that when removing the engine and test equipment from the test cell, the steps should be done in the opposite order of how they were installed. This is likely because certain components or connections need to be disconnected or removed first in order to safely and efficiently remove the engine and test equipment without causing any damage or hazards.Rate this question:
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- 18.
(618) What inspection is given to all newly assigned aircraft?
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Phased.
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Special.
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Calendar.
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Acceptance.
Correct Answer
A. Acceptance.Explanation
Acceptance inspection is given to all newly assigned aircraft. This inspection ensures that the aircraft meets all the necessary requirements and standards before it is put into service. It includes a thorough examination of various components, systems, and documentation to ensure that the aircraft is safe and ready for operation. The acceptance inspection is crucial in ensuring the airworthiness and reliability of the aircraft.Rate this question:
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- 19.
(619) Careless operation of the throttle during emergency system operation could cause a compressor stall due to
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A restricted air inlet.
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Rapid throttle movement.
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A restricted turbine nozzle.
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A malfunctioning variable geometry system.
Correct Answer
A. Rapid throttle movement.Explanation
Rapid throttle movement during emergency system operation can cause a compressor stall. This is because sudden changes in throttle position can disrupt the airflow through the engine, leading to an imbalance between the compressor's intake and discharge pressure. This disruption can result in a decrease in compressor efficiency, causing the airflow to become unstable and potentially leading to a stall.Rate this question:
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- 20.
(603) The tachometer generator’s frequency is proportional to the
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Engine speed.
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Transformer speed.
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Speed of the electrical magnet.
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Speed of the alternating magnet.
Correct Answer
A. Engine speed.Explanation
The tachometer generator is a device that measures the speed of an engine. It works by generating a frequency that is proportional to the engine speed. Therefore, the correct answer is that the tachometer generator's frequency is proportional to the engine speed.Rate this question:
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- 21.
(614) Which of these is not considered a cause of FOD?
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Formation of ice.
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Ingestion of bolts.
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Ingestion of rocks.
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Failure of internal parts.
Correct Answer
A. Failure of internal parts.Explanation
The formation of ice, ingestion of bolts, and ingestion of rocks are all considered causes of Foreign Object Damage (FOD). FOD refers to any object or substance that can cause damage to an aircraft or its components. However, failure of internal parts is not typically considered a cause of FOD. Instead, it is usually attributed to mechanical or operational issues within the aircraft itself, rather than external objects or substances.Rate this question:
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- 22.
(615) Before installing an engine on the test cell thrust stand, make sure the
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Engine is 99 percent complete.
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Rail adapters are properly lubricated.
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Engine manager has scheduled the engine run.
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Engine rail adapters and stand are compatible.
Correct Answer
A. Engine rail adapters and stand are compatible.Explanation
Before installing an engine on the test cell thrust stand, it is important to ensure that the engine rail adapters and stand are compatible. This is necessary to ensure a proper fit and secure installation of the engine. If the rail adapters and stand are not compatible, it may result in instability or damage to the engine during testing. Therefore, compatibility between the rail adapters and stand is crucial for a successful engine installation on the test cell thrust stand.Rate this question:
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- 23.
(603) Most jet-powered aircraft engine fuel-flow indicating systems contain a fuel-flow
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Transmitter and a float valve.
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Control valve and a float valve.
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Transmitter and a fuel-flow indicator.
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Control valve and a fuel-flow transcriber.
Correct Answer
A. Transmitter and a fuel-flow indicator.Explanation
Jet-powered aircraft engine fuel-flow indicating systems typically consist of a fuel-flow transmitter and a fuel-flow indicator. The fuel-flow transmitter measures the rate at which fuel is being consumed by the engine and sends this information to the fuel-flow indicator, which displays the fuel flow rate to the pilot. This system is crucial for monitoring fuel consumption and ensuring that the engine is operating efficiently.Rate this question:
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- 24.
(620) What causes over-temperature damage to the combustion chamber from a stall condition?
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An interruption of cooling airflow.
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A fluid leak at the engine inlet.
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An interruption of fuel flow.
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Faulty fuel nozzles.
Correct Answer
A. An interruption of cooling airflow.Explanation
Over-temperature damage to the combustion chamber from a stall condition is caused by an interruption of cooling airflow. When the engine stalls, the airflow through the engine decreases or stops completely, leading to a lack of cooling air reaching the combustion chamber. Without sufficient cooling, the temperature in the combustion chamber rises rapidly, causing damage to the engine components. Therefore, an interruption of cooling airflow is the most likely cause of over-temperature damage in this scenario.Rate this question:
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- 25.
(603) The oil pressure indicator receives an electrical signal from the
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Gyro
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Transmitter.
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Hydraulic unit.
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Synchronous unit.
Correct Answer
A. Transmitter.Explanation
The correct answer is transmitter. The oil pressure indicator receives an electrical signal from the transmitter. This suggests that the oil pressure indicator is not directly connected to the gyro, hydraulic unit, or synchronous unit. Instead, it relies on the transmitter to provide the necessary information about oil pressure.Rate this question:
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- 26.
(603) For an operational check of the fire warning system, you press
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Only the TEST switch.
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Both TEST and NORMAL switches.
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Only the TEST WARNING ON switch.
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Both TEST ON and TEST OFF switches.
Correct Answer
A. Only the TEST switch.Explanation
To perform an operational check of the fire warning system, pressing only the TEST switch is sufficient. This switch is specifically designed to initiate a test sequence that simulates a fire condition and checks the functionality of the system. Pressing both the TEST and NORMAL switches or only the TEST WARNING ON switch would not be necessary or relevant for this specific check. Similarly, pressing both the TEST ON and TEST OFF switches would not serve the purpose of testing the fire warning system.Rate this question:
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- 27.
(612) In addition to determining the condition of a repaired or overhauled engine, you also test engines
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For training practice.
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In aircraft that have been modified.
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That have been involved in an incident or a mishap.
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That have severe FOD damage.
Correct Answer
A. That have been involved in an incident or a mishap.Explanation
Engines that have been involved in an incident or a mishap are tested in addition to determining the condition of a repaired or overhauled engine. This suggests that the testing is done to assess the damage or any potential issues that may have occurred as a result of the incident or mishap.Rate this question:
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- 28.
(603) To be considered effective tools for aviators, aircraft instruments must be light weight, easy to read, and
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Be small in size.
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Use digital readout.
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Use analog readout.
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Cheap to manufacture.
Correct Answer
A. Be small in size.Explanation
To be considered effective tools for aviators, aircraft instruments must be small in size. This is because in the limited space of an aircraft cockpit, it is important for instruments to be compact and not take up too much space. Additionally, smaller instruments are easier to arrange and install in the cockpit, allowing for better visibility and accessibility for the pilot.Rate this question:
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- 29.
(603) The tachometer indicating system’s two primary units are the tachometer generator and tachometer
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Indicator.
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Fuse panel.
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Transformer.
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Thermocouple.
Correct Answer
A. Indicator.Explanation
The tachometer indicating system consists of two primary units: the tachometer generator and the tachometer indicator. The tachometer generator is responsible for generating the electrical signal based on the rotational speed of the engine, while the tachometer indicator is the device that displays this information to the user. The other options, such as fuse panel, transformer, and thermocouple, are not directly related to the tachometer indicating system and therefore, are not the correct answer.Rate this question:
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- 30.
(615) Observing oil on the turbine wheel or oil smoke at or near the turbine section during a test cell run is a good indication of
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A damaged aft bearing oil seal.
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An underserviced oil system.
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Leaking external oil lines.
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A loose aft roller bearing.
Correct Answer
A. A damaged aft bearing oil seal.Explanation
Observing oil on the turbine wheel or oil smoke at or near the turbine section during a test cell run is a good indication of a damaged aft bearing oil seal. This is because a damaged seal would allow oil to leak out and come into contact with the turbine wheel, causing oil to be visible on the wheel or smoke to be produced. This suggests that there is a problem with the seal, which needs to be addressed to prevent further damage to the turbine system.Rate this question:
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- 31.
(622) The pneumatic air bled from the small gas turbine engine cannot be used to
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Inflate aircraft tires.
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Remove snow and ice from aircraft surfaces.
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Supply pneumatic power to aircraft pneumatic starters.
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Provide pneumatic power for air-conditioning systems.
Correct Answer
A. Inflate aircraft tires.Explanation
The pneumatic air bled from the small gas turbine engine cannot be used to inflate aircraft tires because the air bled from the engine is typically at a high temperature and contains contaminants such as oil and other particles. This air is not suitable for inflating tires as it may cause damage or affect the performance of the tires.Rate this question:
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- 32.
(603) Understanding the operating principles of engine instruments help you decide
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If an engine should be removed from an aircraft.
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If the engine should be sent to the test cell.
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The meaning of the instrument readings.
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What tools are required for maintenance.
Correct Answer
A. The meaning of the instrument readings.Explanation
Understanding the operating principles of engine instruments helps you determine the meaning of the instrument readings. By understanding how the instruments work and what they measure, you can interpret the readings correctly and make informed decisions about the engine's performance. This knowledge is crucial in determining if there are any issues with the engine that require further action, such as removal from the aircraft or testing in a test cell.Rate this question:
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- 33.
(603) Which jet engine temperature is not measured?
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Combustion inlet.
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Fan turbine inlet.
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Turbine inlet.
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Exhaust gas.
Correct Answer
A. Combustion inlet.Explanation
Jet engine temperature is measured at various points to monitor the performance and ensure safe operation. The combustion inlet is not one of these points where temperature is measured. Temperature is typically measured at the fan turbine inlet, turbine inlet, and exhaust gas. These measurements are crucial for monitoring the engine's efficiency, detecting any abnormalities, and making necessary adjustments to optimize performance. However, the combustion inlet temperature is not directly measured as it is not considered a critical parameter for engine operation and performance evaluation.Rate this question:
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- 34.
(603) The term Pt2 means the
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Total (t) pressure (P) at flange 2 (2).
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Total (t) pressure (P) at station 2 (2).
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Temperature (t) and pressure (P) at flange 2 (2).
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Temperature (t) and pressure (P) at station 2 (2).
Correct Answer
A. Total (t) pressure (P) at station 2 (2).Explanation
The term Pt2 refers to the total pressure at station 2. This means that it represents the combined pressure exerted by all the gases present at station 2, including the static pressure, dynamic pressure, and any other components. It does not refer to the pressure at flange 2 or the temperature and pressure at either flange 2 or station 2.Rate this question:
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- 35.
(616) What information is used as an aid in test facility inspections?
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Test cell run procedures.
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Unit serial number listings.
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Periodic inspection checklists.
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Monthly requirements listings.
Correct Answer
A. Periodic inspection checklists.Explanation
Periodic inspection checklists are used as an aid in test facility inspections. These checklists provide a systematic and standardized approach to conducting inspections, ensuring that all necessary areas and equipment are inspected thoroughly. They outline specific items to be checked, such as safety measures, equipment condition, and compliance with regulations. By using periodic inspection checklists, inspectors can ensure that inspections are comprehensive, consistent, and accurate, leading to effective maintenance and safety in the test facility.Rate this question:
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- 36.
(611) When inspecting the hush house, you are not required to check the
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Engine being tested.
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Concrete deterioration.
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Fire suppression system.
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Engine tie-down assemblies.
Correct Answer
A. Engine being tested.Explanation
When inspecting the hush house, the focus is on checking various aspects related to the engine being tested. This includes examining the concrete deterioration, ensuring the functionality of the fire suppression system, and inspecting the engine tie-down assemblies. However, the engine being tested itself does not need to be checked as it is the main object of the inspection.Rate this question:
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- 37.
(615) Where would you begin your investigation of an engine with a possible oil consumption problem?
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Inspect the compressor thrust bearing.
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Talk with the oil analysis program manager.
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Review AFTO Form 781H.
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Review AFTO Form 244.
Correct Answer
A. Review AFTO Form 781H.Explanation
To investigate an engine with a possible oil consumption problem, reviewing AFTO Form 781H would be the best starting point. AFTO Form 781H is an engine oil consumption record that provides detailed information about the amount of oil consumed by the engine over a period of time. By reviewing this form, one can gather important data and trends regarding oil consumption, which can help identify any potential issues or abnormalities in the engine's oil consumption. This information can then be used to further investigate and diagnose the problem.Rate this question:
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- 38.
(603) What converts the exhaust nozzle’s position on engines with afterburners into an electrical signal?
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Rheostat.
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Rectifier.
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Transducer.
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Transformer.
Correct Answer
A. Transducer.Explanation
A transducer is a device that converts one form of energy into another. In the context of engines with afterburners, the exhaust nozzle's position needs to be converted into an electrical signal. A transducer is capable of performing this conversion, taking the physical position of the nozzle and converting it into an electrical signal that can be used for various purposes such as control systems or monitoring. Therefore, a transducer is the correct answer in this case.Rate this question:
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- 39.
(603) One type of overheat detector unit used on aircraft engines consists of a hollow stainless-steel tube that covers
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One gold contact.
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Two silver contacts.
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Three bronze contacts.
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Four copper contacts.
Correct Answer
A. Two silver contacts.Explanation
The overheat detector unit used on aircraft engines consists of a hollow stainless-steel tube that covers two silver contacts. This design allows for the detection of excessive heat by monitoring the electrical resistance between the silver contacts. When the temperature rises above a certain threshold, the resistance between the contacts changes, triggering an alarm or safety mechanism to prevent further overheating.Rate this question:
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- 40.
(623) For engine shutdown on the GTCP 165 engine, what valve closes to ensure that fuel-flow is terminated?
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Poppet.
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Scheduling.
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Fuel flow divider.
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Fuel shutoff solenoid.
Correct Answer
A. Fuel shutoff solenoid.Explanation
The fuel shutoff solenoid is the valve that closes to ensure that fuel flow is terminated during engine shutdown on the GTCP 165 engine. This solenoid is responsible for cutting off the fuel supply to the engine, preventing any further fuel from flowing into the system. By closing this valve, the engine is effectively shut down and fuel flow is stopped, ensuring safe and controlled shutdown of the engine.Rate this question:
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- 41.
(608) You can find written instructions for safe flight-line vehicle operations in
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The flight-line JG.
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AFI 36-2903.
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The intermediate maintenance TO.
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AFOSH STD 91-100.
Correct Answer
A. AFOSH STD 91-100.Explanation
AFOSH STD 91-100 is the correct answer because it is a standard that provides guidelines and instructions for safe flight-line vehicle operations. AFI 36-2903 is the Air Force Instruction for Dress and Personal Appearance of Air Force Personnel, which is unrelated to flight-line vehicle operations. The flight-line JG and intermediate maintenance TO do not provide written instructions for safe flight-line vehicle operations.Rate this question:
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- 42.
(611) Before moving an aircraft into the hush house, you must inspect the aircraft
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Red streamers.
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And its forms.
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Flight station.
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Forms.
Correct Answer
A. And its forms.Explanation
Before moving an aircraft into the hush house, it is necessary to inspect the aircraft and its forms. This means that not only the physical condition of the aircraft needs to be checked, but also any necessary paperwork or documentation related to the aircraft must be reviewed. This ensures that all necessary forms are completed and the aircraft is in proper working order before it is moved into the hush house.Rate this question:
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- 43.
(606) When using a vibration analyzer how are you notified when a preset signal has been exceeded?
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A horn alarm.
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Flashing red lights.
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A buzzer sounding.
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A flashing channel indicator LED.
Correct Answer
A. A flashing channel indicator LED.Explanation
When using a vibration analyzer, the preset signal being exceeded is notified by a flashing channel indicator LED. This means that when the vibration levels go beyond the predetermined threshold, the LED on the corresponding channel will start flashing, indicating the exceeded signal. This visual indicator allows the user to easily identify which channel has exceeded the preset signal without the need for sound alarms or additional lights.Rate this question:
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- 44.
(614) Improperly rigged throttle linkage during a test cell run can cause
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Fluctuating EGT.
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Fluctuating RPM.
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Damage to the inlet guide vanes.
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Engine overspeed.
Correct Answer
A. Engine overspeed.Explanation
Improperly rigged throttle linkage during a test cell run can cause engine overspeed. When the throttle linkage is not properly rigged, it can result in the throttle being opened wider than intended, causing the engine to run at a higher speed than it should. This can lead to excessive stress on the engine components, potentially causing damage and compromising the engine's performance and safety. Fluctuating EGT, fluctuating RPM, and damage to the inlet guide vanes may be potential consequences of engine overspeed, but the primary concern in this scenario is the risk of engine overspeed itself.Rate this question:
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- 45.
(618) Which of these inspections is a flight preparedness check?
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Periodic.
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Preflight.
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Thruflight.
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End-of-runway.
Correct Answer
A. Preflight.Explanation
A preflight inspection is a flight preparedness check that is conducted by pilots before every flight. It involves a thorough examination of the aircraft's systems, controls, and overall condition to ensure that it is safe and ready for flight. This inspection includes checking fuel levels, control surfaces, landing gear, engine, instruments, and other important components. By conducting a preflight inspection, pilots can identify any potential issues or malfunctions that could affect the safety and performance of the aircraft during flight. Therefore, the correct answer is preflight.Rate this question:
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- 46.
(622) When used for ground operation, the SGT engine can be installed on
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Pods.
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An H-frame.
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A two-wheel trailer.
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A four-wheel trailer.
Correct Answer
A. A four-wheel trailer.Explanation
The correct answer is a four-wheel trailer. This means that when the SGT engine is used for ground operation, it can be installed on a trailer that has four wheels.Rate this question:
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- 47.
(623) Air for the load control system on a GTCP 165 engine is extracted from the
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Torus.
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Combustor.
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Turbine plenum.
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Compressor deswirl vanes.
Correct Answer
A. Turbine plenum.Explanation
The correct answer is turbine plenum. The turbine plenum is a component in the engine where air is collected and distributed to various systems, including the load control system. This system is responsible for controlling the load on the engine, and it requires a source of air to operate effectively. Extracting air from the turbine plenum ensures that the load control system receives a sufficient and consistent supply of air for its functioning.Rate this question:
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- 48.
(613) The swivel pads at the bottom of the leveling jacks on the engine thrust trailer of the portable test cell provide all of the following except
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Leveling the engine being tested.
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Removing the wheel and tire assemblies.
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Supporting the thrust trailer at a height of 80 inches.
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Adjusting for rail compatibility with engine transportation trailers.
Correct Answer
A. Supporting the thrust trailer at a height of 80 inches.Explanation
The swivel pads at the bottom of the leveling jacks on the engine thrust trailer of the portable test cell provide leveling for the engine being tested, removing the wheel and tire assemblies, and adjusting for rail compatibility with engine transportation trailers. However, they do not support the thrust trailer at a height of 80 inches.Rate this question:
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- 49.
(618) A BPO is done
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With the thruflight inspection.
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After the first flight of the day.
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With the end-of-runway inspection.
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After the last flight of the flying period.
Correct Answer
A. After the last flight of the flying period.Explanation
The correct answer is "after the last flight of the flying period." This means that the BPO (Base Periodic Operation) is conducted after the final flight of the day. This is important because it allows for a thorough inspection of the aircraft at the end of its operational period, ensuring that any issues or maintenance requirements are addressed before the aircraft is used again. Conducting the BPO after the last flight helps to maintain the safety and reliability of the aircraft.Rate this question:
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Current Version
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Mar 21, 2023Quiz Edited by
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Oct 13, 2014Quiz Created by
AustinCope
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