Powerplants Flashcards

EAWS

1
Q

Safe distance from the intake at idle power

A

9 feet

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2
Q

Safe distance from the intake at military power

A

25 feet

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3
Q

Safe distance range for engine exhaust

A

115 feet idle

925 feet max

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4
Q

What engine is used in the F/A-18 A-D

A

F404-GE-400 or F404-GE-402

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5
Q

Engine type used is F/A-18 E/F

A

F414-GE-400

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6
Q

Whats APU

A

Auxiliary Power Unit

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7
Q

3 modes of APU operation

A

GMM, MES, ECS

ground maintenance mode, main engine start, environmental control system

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8
Q

Purpose and location of the IFR Probe

A

allows a/c to take fuel from tanker and is located on the right forward fuselage.

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9
Q

Purpose of Foam Lined Wing Tanks

A

It self-seal holes/damage, decreasing fire, and explosion hazards.

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10
Q

Types of oil authorized for A-D and E-F

A

MIL-PRF-2369-9

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11
Q

Purpose of Engine Anti Icing System

A

Gets rid of ice build-up.

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12
Q

Fuel Capacity of F/A-18 A-D or E-F

A

10,200lbs-30,000lbs A-D ; up to 5 external fuel tanks E-F

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13
Q

What does the APU do?

A

supply air for ECS, MES and GMM through the AMAD

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14
Q

AMAD what it is and what it does

A

Airframe Mounted Accessory Drive; connected to the APU through ATS (Air Turbine Starter) Transmits power to the engine for start ups.

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15
Q

Discuss VEN

A

Variable Exhaust Nozzle; opens and closes allowing more or less air to come through.

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16
Q

How many fuel cells in the F/A-18 A-D or E-F

A

4 fuel cells.

17
Q

What is FADEC and its purpose

A

Full Authority Digital Engine Control ; receives sensor information and determines engine scheduling to operate in all areas of the flight. The brain of the engine.

18
Q

System interface between APU, AMAD and Engines

A

AMAD is connected to APU then AMAD transits power to the engines for starts.

19
Q

Fuel Pressurization and Vent

A

maintains pressure on the fuel. Let out fuel Vapors.

20
Q

Hot Fuel Recirculation

A

fuel separates at the heat exchanger, filters fuel. Ex Oil to fuel or fuel to Oil.

21
Q

Purpose of Air Refueling Store

A

provides in-flight refueling, has tanker capabilities. When installed the A/C becomes a tanker/capable of refueling other aircraft.