1.
FUEL FLOW FOR IDLE:
Explanation
The correct answer is a range of fuel flow for idle, which is 700 to 1700 PPH. This means that the fuel flow during idle can vary between 700 and 1700 pounds per hour. The different variations of the answer provided (700-1700PPH, 700 - 1700 PPH, 700-1700 PPH) all convey the same range of fuel flow for idle.
2.
RPM AT IDLE:
Explanation
The correct answer is 62-80%, 62 - 80%, 62 TO 80%. This answer indicates that the RPM (Revolutions Per Minute) at idle can range from 62% to 80% of the maximum RPM capacity of the engine. The use of different formats (with or without hyphens, using "TO" instead of a hyphen) suggests that the range can be expressed in various ways, but the values remain the same.
3.
FTIT TEMP AT IDLE:
Explanation
The correct answer is all of the options: 650*C MAX, 650* MAX, 650*, 650*C. This suggests that the maximum temperature at idle is 650 degrees Celsius. The use of the "*" symbol after the temperature indicates that it is a general representation and not an exact measurement.
4.
OIL PRESSURE AT IDLE:
Explanation
The correct answer is 15-35 PSID, 15 - 35 PSID, 15-35PSID. This answer suggests that the oil pressure at idle should be between 15 and 35 pounds per square inch differential (PSID). The use of different formats, including hyphens and spaces, does not change the meaning of the answer.
5.
NOZZLE POS FOR IDLE:
Explanation
The correct answer is 94-106%. This range indicates the acceptable nozzle position for idle. The nozzle position refers to the position of the fuel nozzle in the engine, and during idle, it should be within this range for optimal performance. Any value below or above this range may result in issues such as poor fuel efficiency or engine stalling. Therefore, maintaining the nozzle position within 94-106% is crucial for the engine to operate smoothly during idle.
6.
HYD PRESS FOR IDLE, INT AND MAX AUG:
Explanation
The given answer indicates the pressure range for the HYD PRESS (hydraulic pressure) when the system is in idle, INT (intermediate), and MAX (maximum) augmentation modes. The pressure should be maintained between 2850 and 3250 pounds per square inch gauge (PSIG) during these modes of operation.
7.
RPM FOR INT:
Explanation
The given answer "106% MAX, 106%" suggests that the maximum RPM (revolutions per minute) for INT (presumably referring to an internal combustion engine) is 106%. This means that the engine should not exceed 106% of its maximum RPM. The repetition of "106%" reinforces this limit, indicating that it is the maximum allowable value.
8.
MAX AUG RPM:
Explanation
The given answer "106% MAX, 106%" indicates that the maximum RPM (revolutions per minute) for the device is 106%. This means that the device can operate at a speed that is 106% of its maximum capacity. This information is important for ensuring that the device is not operated at a speed that exceeds its maximum limit, which could potentially lead to damage or malfunction.
9.
FTIT FOR INT OR MAX AUG:
Explanation
The given options are different ways of expressing the multiplication of 935 with either "C" or "MAX". The correct answer is "935*C MAX" because it correctly represents the multiplication of 935 with both "C" and "MAX" together. The other options either miss one of the variables or do not represent the multiplication correctly.
10.
OIL PRESSURE FOR INT AND MAX AUG:
Explanation
The given answer indicates that the oil pressure for INT and MAX AUG should be within the range of 35-65 PSID. PSID stands for pounds per square inch differential, which is a unit used to measure the pressure difference between two points. Therefore, the acceptable oil pressure for INT and MAX AUG should not be lower than 35 PSID or higher than 65 PSID.
11.
NOZZLE POS FOR INT:
Explanation
The correct answer is -3-10%,-3 - 10%,-3-10. This answer is correct because it includes all the possible variations of the given nozzle position for INT. The options -3-10%, -3 - 10%, and -3-10 cover all the possible formats of representing the nozzle position, ensuring that any of these options would be considered correct.
12.
NOZZLE POS WHEN IN SEC:
Explanation
The correct answer is "Less than 10%, LESS THAN 10%, LESS THAN 10 PERCENT." This indicates that the nozzle position when in seconds is lower than 10%. It suggests that the nozzle is not fully open and is only allowing a small amount of flow.
13.
NOZZLE POS WHEN IN MAX AUG (BURNER):
Explanation
The correct answer is 50 - 70%. This means that the nozzle position should be set between 50% and 70% when the burner is in maximum augmentation. This range is likely determined by the specific requirements and specifications of the burner system, ensuring optimal performance and efficiency.
14.
MOTORING OF JFS FOR GREATER THAN 1 MINUTE AND NOT TO EXCEED 4 MINUTES REQUIRES _______ MINUTES OF COOLING FOR EACH MINUTE.
Explanation
The given answer of 20 is the correct explanation for the question. It states that for every minute of motoring the JFS (Jet Fuel Starter) requires, it needs 20 minutes of cooling. This cooling period is necessary to prevent overheating and ensure the proper functioning of the JFS.
15.
MAXIMUM ENGINE RPMS ALLOWED WITHOUT AIRCRAFT RESTRAINT IS:
Explanation
The maximum engine RPMs allowed without aircraft restraint is 85%. This means that the engines should not exceed 85% of their maximum rotational speed when the aircraft is not restrained. This restriction is in place to ensure the safety of the aircraft and prevent any potential damage or accidents that could occur if the engines were to operate at higher RPMs without proper restraint.
16.
ENGINE LIGHT OFF SHOULD OCCUR WITHIN ______ SECONDS AFTER ADVANCING THROTTLE TO IDLE.
Explanation
The engine light should turn off within 10 seconds after advancing the throttle to idle.
17.
HYD/OIL PRESS WARNING LIGHT SHALL GO OUT BY THE TIME OIL PRESSURE REACHES _____ PSID.
Explanation
The hydraulic/oil press warning light should go out when the oil pressure reaches 20 pounds per square inch differential (PSID). This means that once the oil pressure reaches this level, the warning light will no longer be illuminated, indicating that the oil pressure is at an acceptable level.
18.
JFS RUN LIGHT SHOULD COME ON WITHIN ________ SECONDS AFTER START 2 IS INITIATED.
Explanation
The JFS run light should come on within 30 seconds after start 2 is initiated. This means that once start 2 is activated, the JFS run light should illuminate within a maximum of 30 seconds. This is an important indication that the Jet Fuel Starter (JFS) is running properly and ready for the next steps in the start-up process.
19.
SEC LIGHT GOES OUT AT _______% RPM
Explanation
The given statement suggests that the SEC (Secondary) light goes out when the RPM (Revolutions Per Minute) reaches 20%. This implies that the SEC light is an indicator that is designed to turn off when the engine's RPM reaches or exceeds 20%. This information could be relevant in a context where monitoring the engine's RPM is important, such as in a vehicle or machinery.
20.
JFS AUTOMATICALLY SHUTS DOWN AT _____% RPM
Explanation
JFS (Jet Fuel Starter) is a system used in aircraft engines to provide the initial rotation needed for engine start-up. This system automatically shuts down when the RPM (Rotations Per Minute) reaches a certain percentage. In this case, the correct answer is 54, indicating that the JFS will shut down when the engine reaches 54% of its maximum rotational speed.
21.
STBY GEN LIGHT GOES OUT AT ____% RPM
Explanation
The standby generator light goes out at 58% RPM. This means that when the generator reaches 58% of its maximum revolutions per minute, the light indicating its standby mode turns off. This could indicate that the generator is now fully operational and ready to provide power.
22.
ENG LIGHT GOES OUT AT _____% RPM.
Explanation
The statement suggests that the engine light goes out when the RPM (revolutions per minute) reaches a certain percentage. In this case, the correct answer is 60, indicating that the engine light will go out when the RPM reaches 60% of its maximum value.
23.
IF ENGINE START IS BEING ACCOMPLISHED FOR LOW ENERGY IGNITION CHECK (LOW-E), _______ LIGHT WILL NOT COME ON.
Explanation
The correct answer is "sec". In this question, the phrase "IF ENGINE START IS BEING ACCOMPLISHED FOR LOW ENERGY IGNITION CHECK (LOW-E)" suggests that the engine start is being checked for low energy ignition. The question asks which light will not come on in this scenario. The correct answer is "sec" which is short for "secondary". This implies that the secondary light will not come on during the low energy ignition check.
24.
_________ INDICATES A NO-LIGHT CONDITION IN THE AUGMENTER.
Explanation
The given correct answer is "NOZZLE CLOSURE". The question is asking for the term that indicates a no-light condition in the augmenter. The term "nozzle closure" refers to the closing of the nozzle, which would result in a no-light condition in the augmenter. The variations in capitalization do not affect the meaning of the term.
25.
DAMAGE TO FUEL PUMP OR ENGINE FLAMEOUNT MAY RESULT WHEN ENGINE IS TO BE RUN WITH _______ CAUTION LIGHT ON.
Explanation
When the caution light for "fuel low" is on and the engine is run, it can result in damage to the fuel pump or engine flameout. This is because running the engine with low fuel can cause insufficient fuel supply to the engine, leading to issues with the fuel pump and potentially causing the engine to flame out.
26.
DO NOT SHUT OFF MAIN POWER UNTIL RPM HAS DECREASED TO BELOW _______%
Explanation
The statement advises not to shut off the main power until the RPM (revolutions per minute) has decreased to below 20%. This means that it is important to wait until the machine or equipment has slowed down significantly before turning off the main power. This precaution is necessary to prevent any damage or accidents that may occur if the power is shut off abruptly while the machine is still running at a high speed.
27.
THE __________ SWITCH MAY BE TURNED OFF DURING ENGINE RUN FOR A PERIOD NOT TO EXCEED 30 MINUTES AT A TIME.
Explanation
The air source switch may be turned off during engine run for a period not to exceed 30 minutes at a time.
28.
ALLOW A JFS AFTER-FIRE TO BURN ITSELF OUT FOR UP TO ____ MINUTE(S).