Powerplant and Landing Gear

Question 1

Radar Altimeter can provide AGL altitude information from 20ft to…

Answer 1

2500ft

Question 2

Nose and main landing gear are retracted and extended by hydraulic actuators which receive fluid under pressure from a__________ located in the _______leading edge

Answer 2

electrically driven pump, left wing

Question 3

Gear pressure is maintained between _____ and _____ psi.

Answer 3

1550, 2000

Question 4

An ______ located on the instrument panel illuminates when power is applied to the motor.

Answer 4

amber light

This light will remain on during retraction/extension

Question 5

The nose actuator has an internal_____that provides a positive downlock for the nose gear.

Answer 5

mechanical lock

Question 6

Gear is held in the “up” position by ______.

Answer 6

system pressure

Question 7

Power plant ___ stage Axial flow, __stage centrifugal flow xompressor driven by a single stage reaction turbine

Answer 7

3, 1

Question 8

Accessory gear drives: LP Pump, HP pump, FCU, Oil Pump, refrigerant compressor, ____generator, and ____ transmitter

Answer 8

starter, tachometer

Question 9

Power turbine is a __stage reaction turbine; counter rotating with the compressor turbine.

Answer 9

2

Question 10

Power Turbine drives: _____

Answer 10

reduction gear, prop governor, overspeed governor, prop tachometer, torque transmitter

Question 11

The Propeller reduction gearbox converts____ speed low torque energy from the power turbines into low speed ____ torque energy to drive the propeller.

Answer 11

high,high

Question 12

What is the gear ration in the 2 stage planetary reduction gear (33,000-2000rpm)

Answer 12

15:1

Question 13

ITT Red line ?

Answer 13

750degrees C

Question 14

Torquemeter 400ft-lbs to __

Answer 14

2230ft-lbs

Question 15

Red line of Propeller Tachometer

Answer 15

2000rpm

Question 16

Oil Pressure Min?

Answer 16

60psi

Question 17

Oil pressure Max?

Answer 17

200psi

Question 18

Stby Boost pumps 3 functions?

Answer 18

1. Serve as backup for engine-driven fuel boost pump
2. to pump av-gas when flying above 25,000 ft
3. to pump during crossfeed

Question 19

What is limitation of hours you can use av-gas?

Answer 19

150

Question 20

RPM indicated as __

Answer 20

N1

Question 21

N1 must be above___ to energize the compressor for air conditioning. (high idle on ground)

Answer 21

62%

Question 22

Cabin is heated by engine compressed___

Answer 22

bleed air.

Question 23

Engine RPM (N1) (percentage of design 100%rpm )

Answer 23

how fast engine is turning

Question 24

Np (prop RPM)

Answer 24

revolution of actuated propellers

Question 25

Nitrogen bottle Limitation? (For manuel gear extension)

Answer 25

1000-1500

Question 26

Should the yaw damper be used for take off and landing?

Answer 26

NO

Question 27

What disconnects stall warning system when aircraft is on the ground?

Answer 27

squat switch on left main gear

Question 27

What disconnects stall warning system when aircraft is on the ground?

Answer 27

squat switch on left main gear

Question 28

What is transducer vane for? And is it heated?

Answer 28

Stall warning, yes

Question 28

Max ITT for PT6-42? | Max ITT for PT6-41?

Answer 28

755 | 700