Powerplant

Question 0

The engine LP N1 consists of:

Answer 0

A single stage low-pressure compressor, fan, driven by a three stage turbine

Question 1

The Prat Whitney 305A engines each provide 4600 pounds of thrust at

Answer 1

Sea level up to 23.3 c normal

Sea level up to 31.1 c maximum

Question 2

The starter/generator, in the start mode through the accessory gearbox, is applied to the:

Answer 2

HP spool (rotor)

Question 3

The engine HP spool (rotor) n2 consists of a:

Answer 3

Four stage axial flow compressor and a single stage centrifugal compressor driven by a two stage axial flow turbine.

Question 4

The engine instruments N1 and N2

Answer 4

DC powered through CBs on the DC Bus 2/EMER BAT and DC BUS 1 respectively

Question 5

The engine oil temp/pressure indication requires

Answer 5

28 DC power

Question 6

The primary engine thrust indicating instrument is the

Answer 6

Low speed rotor N1

Question 7

The maximum transient ITT during takeoff is

Answer 7

825 C for 20 seconds

Question 8

The maximum ITT during engine start is

Answer 8

950 degrees C

Question 9

Illumination of the L or R ENG FILTERS light indicates

Answer 9

Impending bypass of aircraft fuel filter
… Engine oil filter
… Engine fuel filter

Question 10

During engine operation of the BOVs, (bleed off valves) are positioned by

Answer 10

EEC command channel

Question 11

During FADEC operation of the engine, engine overspeed protection is provided by

Answer 11

By N1 and N2 overspeed signals for the active EEC channel to the overspeed solenoid HFCU

By mechanical overspeed protection system

Question 12

The ENG SYNC light indicates that

Answer 12

ENG SYNC is turned ON, and the nose landing gear is not in the up and locked position

Question 13

A left or right ENG CMPTR white light indicates

Answer 13

• A minor malfunction has occurred in the one channel of the EEC
• FADEC will continue to monitor for healthiest channel to control the engine
• On ground – do not dispatch.
• In flight – refer to the engine computer light illuminated procedure in section IV of the AFM

Question 14

Durning a normal ground start, the ignition light should come on when

Answer 14

N2 reaches 6%

Question 15

Engine oil pressure and oil temperature indications require _________ electrical power

Answer 15

DC

Question 16

The ENG CMPTR switches are normally in the auto position. Selection of the CH A or CH B position in flight is permitted when:

Answer 16

Amber and White ENG CMPTR lights (same engine) illuminated procedure is used, section 4 AFM

Question 17

The green TR ARM light means

Answer 17

The TR CONT and TR AUTO STOW CBs are in

The aircraft is on the ground (squat switches in GND MODE)

The engine thrust lever is in idle

Question 18

As the thrust levers are advanced for take off, the ARM lights:

Answer 18

Go out

Question 19

During single engine operation what is true in regard to using both thrust reversers

Answer 19

A. Both engine thrust levers must be in idle

B. the full range of reverse thrust will be available on the operating engine with both T/Rs deployed

Question 20

If a thrust reverser fault occurs in flight and a reverser unlocks, it is stowed by

Answer 20

The auto stowing feature through the TR AUTO STOW CB

Question 21

Maximum reverse thrust is usable down to what speed

Answer 21

40 KIAS