APU

Question 1

The APU is limited to () use only.

Answer 1

Ground. PTM Pg. 6-1

Question 2

The () provides electrical power and pneumatic/bleed air.

Answer 2

APU. PTM Pg. 6-1

Question 3

In the event of an APU ( ), a horn will sound, the APU will shutdown and automatically dispense Halon extinguishing agent.

Answer 3

Fire. PTM Pg. 6-7

Question 4

The APU Fire Push switch indicator is wired directly to the ( ) Emergency Hot bus and will activate when pushed even though the aircraft batteries may be off.

Answer 4

Right Emergency Hot bus. PTM Pg. 6-8

Question 5

The pilot must wait at least 10 seconds after depressing the APU Master switch in order to complete
the system (“    ”) check before starting the APU.

Answer 5

BIT. PTM Pg. 6-8

Question 6

After selecting the APU Bleed switch (“ ”), there will be a short delay of several seconds before the white “ON” is illuminated in the switch indicator.

Answer 6

ON. PTM Pg. 6-9

Question 7

The ( ) Fan Fail light in the tailcone access area illuminates, the pilot may attempt to reset the light.

Answer 7

APU Fan. PTM Pg. 6-5

Question 8

If the APU Fan Fail light in the tail cone access area is illuminated and cannot be reset, the APU canstill be used if the ramp temperature is () degrees F (38º degrees C) or less.

Answer 8

100. PTM Pg. 6-5

Question 9

During normal APU shutdown, the operator should wait ( ) seconds before turning off the APU Master switch allowing for shutdown and associated “BIT” checks. (STBY Pump Light Off)

Answer 9

30. PTM Pg. 6-11

Question 10

The APU burns approximately ( ) lbs. of fuel per hour. PTM Pg. 6-6

Answer 10

100 lbs. of fuel per hour. PTM Pg. 6-6

Question 11

During preflight, if the ( ) APU FAIL/FAULT light is illuminated, the APU may still be used.

Answer 11

Blue. PTM Pg. 6-13

Question 12

During preflight, if the ( ) ADD OIL light is illuminated, the APU may still be used.

Answer 12

APU ADD OIL light. PTM Pg. 6-13

Question 13

During preflight, if the APU OIL LOW light is illuminated, the APU can still be used, but the operator has () hours of operation until oil must be added to the APU gearbox.

Answer 13

5. PTM Pg. 6-13

Question 14

If the APU does an un-commanded shut down, a () inspection must be completed prior to takeoff.

Answer 14

Visual. AFM Pg. 4-12

Question 15

If an amber APU FAIL CAS message is present and cannot be cleared, ( ) take off.

Answer 15

Do not. AFM Pg. 4-12

Question 16

The APU uses fuel from the ( ) wing tank.

Answer 16

Right wing tank. PTM Pg. 6-6

Question 17

The ( ) standby pump will automatically activate and remain on while the APU is running.

Answer 17

Right. PTM Pg. 6-8

Question 18

The waiting period between APU start attempts is () minute after the first start, () minutes after the second start and () minutes after the third start.

Answer 18

1 / 2 / 15. AFM Pg. 1-24

Question 19

Maximum Continuous amperage on the APU generator is () amps.

Answer 19

300 amps. PTM Pg. 6-11

Question 20

Oils conforming to specification ( ) are approved for APU use. Refer to Addendum II of the AFM.

Answer 20

Mil-L-7808 & Mil-L-23699

Question 21

Approved Fuels for the Aircraft Engines are also approved for ( ).

Answer 21

APU use

Question 22

Operation of the APU during ( ) & ( ) is prohibited.

Answer 22

Gravity Refeuling and De-Icing

Question 23

The APU is up authorized for use up to field pressure altitudes of ( ) feet.

Answer 23

10,000’