What do you think about jet mechanics? A jet mechanic completes maintenance on airplanes that are supplied with gasoline turbine jet engines. This quiz touches upon how to start an APU without external power, how long an ATM can operate without normal hydraulic pressure, what amount of fuel is necessary for operating PTU’s, which EGT reading would indicate malfunction, and what APU is the maximum start time. Get your motor running with this quiz on Jet Mechanics.
2000 lbs
4500 lbs
4000 gal
2000 gal
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PLACE GENERATOR SWITCH TO OFF POSITION.
SELECT THE OTHER APU GENERATOR.
PLACE GENERATOR CONTROL SWITCH TO OFF AND CONTINUE TO OPERATE.
IMMEDIATELY SHUT DOWN THE APU.
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AT THE PILOT'S STATION.
AT THE FORWARD LOADMASTER'S CONTROL PANEL.
AT THE FLIGHT ENGINEER'S STATION.
AT THE APU/ATM COMPARTMENT DOOR.
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The battery shall be replaced or the battery electrical plug shall be disconnected.
The battery should be charged from external electric power before it is used.
The battery should be monitored closely during APU operation.
The battery shall be left connected but not used during APU operation.
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A FIRE GUARD MUST BE AVAILABLE WITH AN APU TESTER.
A FIRE GUARD MUST BE AVAILABLE WITH A TWO-WAY RADIO.
A FIRE GUARD WITH AN ADEQUATE FIRE EXTINGUISHER MUST BE AT THE COMPARTMENT.
A FIRE GUARD WITH AN ADEQUATE COMMUNICATION SYSTEM MUST BE AT THE COMPARTMENT.
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20 seconds
60 seconds
30 seconds
80 seconds
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SYSTEM PRESSURE MUST BE 300 PSI.
BLEED MANIFOLD PRESSURE MUST BE 50 PSI.
THE ELECTRIC SUCTION BOOST PUMPS BE ON.
ALL POWER TRANSFER SWITCHES MUST BE ON.
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2700
3000
2800
3150
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630-691 degrees C
691-715 degrees C
716-824 degrees C
325-575 degrees C
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The fire guard will be positioned at the APU and will establish communication with the flight engineer's station.
During start the fire guard will closely examine the APU for evidence of leaks especially from fuel, oil, or hydraulic fluid.
If any leaks or substandard conditions are noted, the fire guard will notify the flight engineer's station. The start will be aborted and the leaks or substandard conditions corrected prior to attempting another start.
The fire guard will comply with all of the above.
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LOAD-METER READING 0.5
LOAD-METER READING 1.0
LOAD-METER READING 1.25
LOAD-METER READING 1.50
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30 seconds
1 minute
2 minutes
3 minutes
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In the lower aft corner of the #4 main landing gear wheel well.
In the lower aft corner of the #2 main landing gear wheel well.
Inboard side of #2 and #3 engine pylons.
In the right aft APU compartment.
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A fire guard with a portable fire extiguisher.
A fire guard with a two-way radio.
A fire truck shall stand by until power is available.
A fire truck shall stand by during starting and single APU operation.
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2800-3000 psi
2850-3150 psi
2850-3050 csi
2800-3150 psi
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Left APU accumulator from #4 system and right APU accumulator from #1 system.
Left APU accumulator from #2 system and right APU accumulator from #3 system.
Left APU accumulator from #1 system and right APU accumulator from #4 system.
Left APU accumulator from #3 system and right APU accumulator from #2 system.
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EXCEPT #2 AND #3 MAIN AC BUSES.
EXCEPT THE MONITOR BUSES.
EXCEPT THE DC POWERED BUSES.
EXCEPT THE #2 AND #3 DC BUSES
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691 DEGREES C
715 DEGREES C
630 DEGREES C
714 DEGREES C
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Must be in NORM or STBY position: if modified by TCTO 1C-5-736; ON position.
Must be in NORM position, if modified by TCTO 1C-5-736; ON position.
Must be in OFF position,if modified by TCTO 1C-5-736 ON position.
Must be in EXT PWR position, if modified by TCTO 1C-5-736; ON position.
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THE AUDIBLE HORN WILL NOT SOUND.
THE APU DOOR WILL NOT OPEN FULLY AND THE AUDIBLE HORN WILL NOT SOUND.
THE APU LOW OIL PRESSURE SWITCH WILL BE OVERRIDDEN, PROHIBITING LOW OIL PRESSURE PROTECTION; THE APU DOOR WILL NOT OPEN FULLY; THE APU FIRE WARNING AUDIBLE HORN WILL NOT SOUND.
THE APU LOW OIL PRESSURE SWITCH WILL BE OVERRIDDEN, PROHIBITING LOW OIL PRESSURE PROTECTION; THE APU FIRE WARNING AUDIBLE HORN WILL NOT SOUND.
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10 seconds
20 seconds
30 seconds
No limit
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5 seconds
15 seconds
30 seconds
60 seconds
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To provide emergency power for radio operation.
To provide power for APU fire extiguisher and emergency APU shut down.
To provide power for APU fire extiguisher and emergency radio operation.
To provide emergency radio operation and power for emergency APU shut down.
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30 SECONDS
1 MINUTE
2 MINUTES
3 MINUTES
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Quiz Review Timeline (Updated): Nov 15, 2023 +
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