APU P-8A

Question 1

what is the apu oil specification for the P-8A?

Answer 1

mobile jet oil 2

Question 2

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

Answer 2

3 starts 15 minute break

Question 3

pulling the apu fire switch up arms the apu extinguisher circuit and closes the fuel shut off

Answer 3

true

Question 4

during apu operation the fluid coming from the forward drain of the apu is from

Answer 4

the aux tank

Question 5

how many indication are there for an apu fire

Answer 5

more than 6

Question 6

when the oil quantity report page shows ADD for the oil level, you must add oil to the apu within how many hours

Answer 6

30-50 hours

Question 7

what do you do if the APU DET INOP light fails to illuminate

Answer 7

do not operate the apu

Question 8

an apu maintenance problem exists when what light illuminates

Answer 8

maint light (blue)

Question 9

what automatically control apu speed through the electronic fuel control

Answer 9

ECU

Question 10

when external power is off what automatically assumes the entire electrical load

Answer 10

apu generator

Question 11

moving the battery switch to off will NOT shut down the apu in flight or on the ground

Answer 11

false

Question 12

rotating the apu fire switch in either direction mechanically fires squib, discharging the extinguishing agent into the apu

Answer 12

true

Question 13

prior to the apu start, which fuel boost pump should be turned on

Answer 13

left center ac fuel tank

Question 14

apu oil quantity may be checked by what method

Answer 14

apu bite test (all the above)

Question 15

how many apu fire extinguishing bottles are on the P-8A

Answer 15

one

Question 15

the center tank fuel pump switches should be positioned ON only if the fuel quantity in the center tank exceeds ___________ pounds

Answer 15

1000

Question 16

the apu continues to operates for approximately how many seconds doing its cool down cycle

Answer 16

120 seconds

Question 17

a DC operated boost pump is installed to ensure positive fuel pressure to what

Answer 17

the apu fuel control unit

Question 18

the apu ground control panel is located where

Answer 18

right side main wheelwell

Question 19

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

Answer 19

a system failure

Question 20

it is required to immediately shut down the apu if a fuel spill occurs

Answer 20

true

Question 21

the MO must recommend an individual prior to commencement of the apu turn up training

Answer 21

true

Question 22

do not try an apu start if there is ice around the hinged flap of the vortex generator because of what

Answer 22

the motor inlet door actuator can be damage

Question 23

while performing an apu fire warning system test on the ground, the remote apu fire warning horn does not sound

Answer 23

false

Question 24

when applying external power or apu generator power, the standby hydraulic pump can operate for approximately how many seconds and may move rudders and/or thrust reversers

Answer 24

4 seconds

Question 25

if you do not preserve an apu , at minimum it is recommended to do an apu operation at least once every how many day

Answer 25

7 days

Question 26

the EGT indicator remains powered for how many minutes after shutdown

Answer 26

5 minutes

Question 27

during the apu start cycle, the apu EGT indicator may fluctuate from____ to____ prior to normal EGT rise

Answer 27

0-1100

Question 28

the apu has a single fire detection loop

Answer 28

true

Question 29

the CO may delegate the authority to sign APU authorization as low as department heads

Answer 29

true

Question 30

THE APU can be started or shutdown during refueling operations

Answer 30

true

Question 31

what is the total oil quantity in quarts, in an apu at full

Answer 31

5.7 quarts

Question 32

operate the apu for one full minute before using it as a bleed air source

Answer 32

true

Question 33

apu fire protection consist of both the apu fire detection powered by the battery bus and the apu fire extinguishing by the hot battery bus

Answer 33

true

Question 34

where does the electrical power to start the apu come from

Answer 34

two engine integrated drive generator (IDGs) that supply three- phase 115volts, 400 cycle alternating current

Question 35

if you get an illuminated overspeed light the light will remain illuminated for how many minutes when the apu switch is placed off

Answer 35

5 minutes

Question 36

pulling the apu fire switch up arms the apu extinguisher circuit and closes the fuel shutoff valve

Answer 36

true

Question 37

the first thing you should do if a fire is detected is pull and rotate the apu switch for one seconds

Answer 37

true

Question 38

if the ac and dc fuel pumps are not operating, fuel is suction fed from where

Answer 38

tank NO. 1

Question 39

what must you do if the apu fire warning light is not illuminated but a fire indication exists or a fire is reported in or near the apu

Answer 39

shut down the apu

Question 40

what starts the apu

Answer 40

aircraft ac system and aircraft main battery