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APU > P-8A > Flashcards

P-8A Flashcards

1
Q

When the OIL QUANTITY REPORT page shows ADD for the oil level, what action should be taken?

A

Initiate MAF.

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2
Q

The APU operator licensing program shall be managed by QA and administered by the NATOPS officer.

A

False

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3
Q

The Command Officer may delegate the authority to sign APU authorizations as low as department heads.

A

False

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4
Q

The APU continues to operate for approximately 60 seconds during it’s cool down cycle.

A

True.

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5
Q

One of the indications of an APU fire is the APU fire switch is illuminated.

A

True.

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6
Q

How many indications are there for APU fire?

A

More than 6.

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7
Q

If extended APU operation or prior to engine start, which fuel boost pump should be turned on?

A

Left center, if center tank quantity is over 1000 pounds.

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8
Q

The APU can be started or shutdown during refueling operations.

A

True.

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9
Q

If the APU DET INOP light fails to illuminate DO NOT OPERATE THE APU.

A

True.

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10
Q

The APU fire detection system is powered by the hot battery bus.

A

False.

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11
Q

The Center tank fuel pump switches should be positioned to ON only if the fuel quantity in the center tank exceeds 1000 pounds.

A

True.

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12
Q

An APU maintenance problem exists when what light is illuminated?

A

BLUE MAINT LIGHT.

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13
Q

During APU operation, fuel is automatically heated to prevent icing.

A

False

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14
Q

Rotating the APU fire switch in either direction mechanically fires the squib, discharging the extinguishing agent into the APU.

A

True.

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15
Q

If the start fails or the APU RUNNING light fails to illuminate by the end of the start cycle, what has just occurred?

A

A system failure has occurred and the fault light illuminates.

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16
Q

A DC operated boost pump is installed to ensure positive fuel pressure…

A

… To the APU fuel control during start and operation and automatically when the APU fuel control unit senses low fuel pressure.

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17
Q

Air for the APU cooling comes from where?

A

Air inlet.

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18
Q

The MO must recommend an unqualified individual prior to commencement of APU turn-up training.

A

True.

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19
Q

The first step of the emergency procedures of an APU fire is to pull and rotate the APU fire switch to the top for one second.

A

True.

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20
Q

If you get an illuminated over speed light, the light will remain illuminated for _______ when the APU switch is placed off.

A

5 minutes.

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21
Q

If the APU fire warning light is not illuminated, but a fire indication exists or a fire is reported in or near the APU?

A

Press the APU fire switch lock release button, pull the APU fire switch, rotate the APU fire switch to the top until APU bottle discharge light illuminates.

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22
Q

If you do no preserve the APU, at a minimum it is recommended to do an APU operation……

A

Once every 7 days.

23
Q

Operate APU for ONE full minute before using it as a bleed air source.

A

True

24
Q

The APU fire control huandle in the right wheel well normal position is….

A

Up.

25
Q

The EGT indicator remains powered for ______ after shutdown.

A

5 minutes.

26
Q

It is required to immediately shutdown the APU if a fuel spill occurs.

A

True.

27
Q

When external power is selected OFF, the APU generator automatically assumes the entire electrical load.

A

True.

28
Q

What is the maximum start cycle for the start power unit (SPU) and the start converter unit (SCU)?

A

3 starts, one right after the other, followed by a 15 minute cool down period.

29
Q

How many APU fire extinguishing bottle(s) are on the aircraft?

A

1

30
Q

When applying external power of APU generator power, the standby hydraulic pump can operate for approximately _____ and may move the rudder and/or thrust reversers.

A

4 seconds.

31
Q

What is the APU oil specification?

A

Mobile Jet Oil 2

32
Q

Pulling the APU fire switch up arms the APU extinguisher circuit and closes the fuel shutoff valve.

A

True.

33
Q

During the APU operation, fluid coming from the forward drain of the APU is from….

A

The aux tank.

34
Q

What automatically controls APU speed through the Electronic Fuel Control?

A

ECU

35
Q

Moving the battery switch to off will NOT shut down the APU in flight or on the ground.

A

False.

36
Q

The APU oil quantity may be checked by what method?

A

APU bite test, oil sight gauge with APU on/off, APU status page on the CDU.

37
Q

The APU ground control panel is located where?

A

Right main wheel well.

38
Q

Do not try an APU start if there is ice around the hinged flap of the vortex generator because….

A

The motor for the inlet door actuator can be damaged.

39
Q

While performing an APU fire warning system test on the ground, the remote APU fire warning does not sound.

A

False.

40
Q

During the APU start cycle, the APU EGT indication may fluctuate from ___ to ___ prior to normal EGT rise.

A

0-1100

41
Q

The APU has a single fire detection loop.

A

True.

42
Q

What is the total oil quantity in the APU at full?

A

5.7 quarts.

43
Q

APU fire detection consists of both the APU fire detection powered by the battery bus and the APU fire extinguishing powered by the hot battery bus.

A

True.

44
Q

Where does the electrical power to start the APU come from?

A

Two engine integrated drive generators (IDGs) that supply 3 phase, 115 V, 400 cycle AC.

45
Q

If the AC and DC fuel pumps are not operating, fuel suction is fed from where?

A

Tank no. 1

46
Q

What starts the APU?

A

Aircraft AC system and aircraft main battery.

47
Q

The APU fire switch unlocks when….

A

The APU fire light illuminates.

48
Q

If fluid is leaking from the APU compartment, what is the fluid.

A

Fuel.

49
Q

What takes control of power when external power is shut off?

A

The battery and AC generator.

50
Q

When performing a standby power check, your AC/DC voltmeter should read….

A

115 VAC/24 VDC

51
Q

What fuel does the P-8A require?

A

Jet-2… Not Milspec or JP-5.

52
Q

When the oil quantity report page shows add for the oil level, you must add oil to the APU within how many hours?

A

30-50 hours.

53
Q

Prior to APU start, which fuel boost pump should be turned on?

A

Left center AC fuel tank.

54
Q

The ECU monitors and controls the APU. Automatic shutdown protection is provided for 6 conditions and system faults

A

True

APU (1 decks)

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