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Atlas > Engines > Flashcards

Engines Flashcards

Fly Good, Don't Suck

1
Q

Engine Vibration Sources

A

Fan, LPT, N2, BB

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2
Q

X-BLD

A

Indicates airspeed lower than required for a windmilling start. Crossbleed is recommended for an in-flight start

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3
Q

Fuel Control Switch ON Function (Auto Start On)

A 
Opens Spar Valve
Opens Engine Fuel Valve
EEC Sequences
- Start Valve
- Fuel Metering Valve
- Igniters
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4
Q

Fuel Control Switch ON Function (Auto Start Off)

A

Opens Spar Valve
Opens Engine Fuel Valve
Energizes Igniters

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5
Q

Fuel Control Switch OFF Function

A

Closes Fuel Valves
Removes Igniter Power
Commands respective hydraulic demand pump to operate (Switch in Auto)
Unlocks Engine Fire Switch

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6
Q

Start Switch PULL (Auto Start On)

A

Opens Engine Bleed Valve

Arms Start Valve

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7
Q

Start Switch PULL (Auto Start Off)

A

Opens Engine Bleed Valve

Opens Start Valve

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8
Q

Start Switch releases at

A

50% N2

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9
Q

STBY Ignition

A

Backup AC power to selected igniters

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10
Q

CON IGNITION Switch

A

Selected Igniters Operate Continously

Commands Approach Idle Minimum

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11
Q

Auto Ignition Selector

A

EEC Alternates igniter 1/2 for each ground start

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12
Q

Auto Ignition Happens When:

A

During Start N2 below 50%
Trailing Edge Flaps not Up
NAI on
Engine Flameout

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13
Q

EEC Primary

A

Overspeed and N1 Protection

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14
Q

EEC Alternate

A

Overspeed Protection (No overboost protection)

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15
Q

Auto Start Monitors

A

N2 EGT

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16
Q

Auto Start Does Not Monitor

A

N1, Oil Pressure

17
Q

Auto Start Protects Against

A

Hot Start
Hunt Start
No EGT Rise

18
Q

Auto Relight Protection

A

EEC Detects engine flameout

N2 less than idle, or N2 rapid decrease

19
Q

Engine Fuel System (After Spar Valve)

A 
Stage 1 Fuel Pump
Stage 2 Fuel Pump
Oil/Fuel Heat Xchgr
Fuel Filter / Bypass
Fuel Metering Valve
Engine Fuel Valve
Fuel Flow
20
Q

Engine Oil Purposes

A

Cool

Lubricate

21
Q

Thrust Reversers are Operated By (GE)

A

Pneumatic Power

Atlas (8 decks)

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