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211 > EXAM NOTES > Flashcards

EXAM NOTES Flashcards

1
Q

start the engine

A

Radial Drive Shaft

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2
Q

How to start a turbine engine

A
  1. introduction of air (rotate the starter)
  2. Igniters
  3. Fuel
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3
Q

How to start the compressor:
Starters

A
  1. Electric
  2. Pneumatic
  3. Hydraulic
  4. Catridge Type
  5. Combustion Starting
  6. Isopropyl Nitrate
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4
Q

pneumatic & electric enters in bleed air

A

Auxiliary Power Unit (APU)

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5
Q

Main Parts of Ignition System

A
  1. Igniter Plugs
  2. Exciter Box
  3. High Tension Leads/ Wire
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6
Q

(?) timing of Ignition/ Start because it is continuous combustion in turbine.

A

No

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7
Q

2 Types of Fuel Introduction

A
  1. Direct Injection
  2. Pre-vaporization
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8
Q

3 False Start

A
  1. Hot Start
  2. Hung Start
  3. No Start
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9
Q

too rich of mixture/ fuel

A

Hot Start

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10
Q

Need to do if Hot Start

A

need to turn off the engine, motoring the air (off the igniters)

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11
Q

disengage early/ starter disconnected early

A

Hung Start

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12
Q

Need to if Hung Start

A

need to be rich or rise the fuel

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13
Q

-no ignition and combustion
-no EGT, no fuel supply

A

No Start

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14
Q

give back the loss thrust

A

Thrust Restoration

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15
Q

Ways of Thrust Restoration

A

Water Injection and Methanol

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16
Q

Other term of thrust augmentation

A

Afterburner

17
Q

use for takeoff of jets and more power that produced in small runway

A

Afterburner / Thrust Augmentation

18
Q

use during landing ig the runway is slippery

A

Thrust Reverser

19
Q

3 Types of Thrust Reverser

A
  1. Bucket Target/ Bucket Door
  2. Clamshell Door
  3. Cascading Vanes/ Blocker Door
20
Q
  • hydraulically actuated and uses bucket-type doors to reverse the hot gas stream
  • more on turbojets
A

Bucket Target / Bucket Door

21
Q

are operated by pneumatic rams through levers that
give the maximum load to the doors in the forward thrust position; this
ensures effective sealing at the door edges, so preventing gas leakage.

A

Clamshell Door

22
Q
  • is ‘open’ because the cascade vanes are internally covered by the
    blocker doors (flaps) and externally by the movable (translating) cowl;
    the latter item also serves to reduce drag
  • more on turbofan engines
A

Cascading Vanes/ Blocker Door

23
Q

to switch the thrust reversers

A

WOW switch

24
Q

location of wow switch

A

main landing gear

25
Q

WOW switch meaning

A

Weight On Wheels Switch

26
Q

gradually exit of exhaust air and by pass air

A

Chevron

27
Q

2 types of Electric Starter

A

Battery and Ground Power Unit (GPU)

28
Q

it is called if the fire is dead in the combustion chamber

A

Flame Out

29
Q

to start again the engine if there’s flame out

A

Relight

30
Q

Relight happens during (?)

A

flight

31
Q

how does sound produces

A

Vibration

32
Q

no fuel / ignition

A

Motoring

211 (6 decks)

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