BLOCK 2 - POWER PLANTS

Question 1

Engine danger area - intake/exhaust

Answer 1

20ft in front of intake and 35ft wide by 80ft length area from the engine exhaust

Question 2

Engine danger area - during max power behind exhaust

Answer 2

70ft wide by 150ft in length

Question 3

Engine danger area - APU noise restriction

Answer 3

75ft radius around the AC for 2 hours with no earplugs (non if earplugs)

Question 4

Engines

Answer 4

2 Rolls Royce 611-8 Tay engines, axial flow, medium bypass ratio, turbofan with 13,850 lbs of thrust at sea level.

Question 5

Fan location and function

Answer 5

front of the engine

2 Air streams- one bypass around the engine core and one through

Question 6

1st Compressor section

Answer 6

3 stage LP compressor, it cools certain parts of the engine and pressurizes engine oil seals

Question 7

2nd compressor section

Answer 7

12 stage HP compressor, moves air to the combustion section

Question 8

1st Turbine

Answer 8

Drives the HP compressor

Question 9

2nd Turbine

Answer 9

Drives the LP compressor

Question 10

Exhaust

Answer 10

creates thrust to propel the AC

Question 11

power levers location and function

Answer 11

Located on the center control pedestal.

It controls engine thrust.

Question 12

Thrust Reversers location and function

Answer 12

Located on rear of engine assembly.

slows AC when landing

Question 13

Engine Fuel System-

Answer 13

controls fuel flow

Question 14

Oil System-

Answer 14

A DRY SUMP system with oil stored in a tank installed on L side of engine.

Lubricates bearings, gears.

Question 15

EICAS location

Answer 15

middle instrument panel on display units 3 and 4.

Question 16

Engine Indication System EICAS Function

Answer 16

Displays Engine Pressure Ratio (ERP), LP and HP Tachometer, turbine gas temperature, fuel flow, oil pressure, oil temp, engine vibration monitoring, engine fuel temp, fuel quantity and hydraulic pressure.

Question 17

Engine vibration monitor (EVM)-

Answer 17

tells crew of impending failure (vibration has reached max allowance)

Question 18

Fuel Hopper location and capacity

Flapper Valves?
Boost pump?

Answer 18

The space between the centerline rib outboard to wings first structural rib.

190 us gallons capacity.

Fuel pours into hoppers via flapper valves preventing fuel back into wings during turning.

Fuel boost pump pumps fuel to the engines

Question 19

Fuel Ejector Pump-

Answer 19

makes sure that fuel hopper remains full. It gets fuel from wing to hopper.

Question 20

Boost pumps location, output and psi

Answer 20

Mounted outside on the back wall of the fuel tanks in the main landing gear wheel well,

OUTPUT OF 8000 LBS PER HOUR AT 22 PSI.

Question 21

Bleed Air

Answer 21

Pneumatics system is to provide a common manifold (bleed air manifold).

Hot compressed air for anti icing, pressurization, and air conditioning

Question 22

Auxiliary Power Unit function

Answer 22

Provides power for ground maintenance. Cools/heats a/c without starting the engine.

Question 23

Auxiliary Power Unit during flight

Answer 23

used as back up electrical power supply

Question 24

Auxiliary Power Unit during altitude below 30,000 feet

Answer 24

Assist in air starting an engine of the aircraft.

Question 25

Auxiliary Power Unit location

Answer 25

below the right engine pylon

Question 26

How many HP Fuel Cocks? Location and Function

Answer 26

2. lower center pedestal below power levers. controls fuel to the engine.