Engines Flashcards

1
Q

What are the idle states of the engines?

A

Flight Idle, Ground Idle, or Approach Idle (flaps are landing config or engine anti-ice is ON)

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2
Q

What will happen when the EEC goes into Soft Alternate mode? (Floppy mode)

A

Using last valid data until EEC is switched OFF or throttles retarded to Idle. It will then operate in Hard Alternate

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3
Q

What Hydraulic systems operate the reverse thrusters?

A

On-side Hydraulic system and backed up by Stanby Hydraulics

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4
Q

What conditions are required for reversers to operate?

A

Thrust lever in idle, RA < 10ft OR Weight on Wheels

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5
Q

What is the ENGINE CONTROL caption on overhead and when would it display, what would be the result for the flight?

A

Engine Control systems has parameters out of limit, Only with engines operating, on the ground up to 80kts or 30secs after landing. Non-dispatchable

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6
Q

What would OIL FILTER BYPASS indicate?

A

Impending blockage of the oil filter, liable to bypass

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7
Q

If the secondary Engine indication’s are automatically displayed due to a Secondary Engine parameter being exceeded, how are they cleared?

A

The display cannot be cleared until the condition is no longer present.

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8
Q

Should a white box with the caption A/T LIM appear on the UPPER DISPLAY unit, what would this indicate?

A

The FMC is not providing N1 limit values to the auto throttle, which is using a degraded thrust limit from the EEC.

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9
Q

What would cause the ENG FAIL caption to appear over the EGT gauge?

A

The engine being below idle ( N2 <50%)

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10
Q

What Wet Start protection does the EEC provide during engine start?

A

If there is no rise in EGT 15 seconds after the Start Lever is placed to IDLE DETENT, fuel and ignition are automatically shut off

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11
Q

If it becomes necessary to restart an engine in flight, how are the crew made aware of the requirement to cross bleed instead of a windmill start?

A

The caption ‘X-BLD’ or ‘XB’ if the compact mode is in use, will appear above the N2 gauge. The QRH inflight start envelope should also be checked.

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12
Q

What is the purpose of a reduced thrust takeoff?

A

It lowers EGT and extends engine life

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13
Q

Where is the air starter mounted and connected to?

A

Air started on Engine Aux Gearbox connected to N2 Rotor shaft

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14
Q

Which parameters are primary engine indications

A

N1, EGT

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15
Q

For ground start what does moving the engine start switch to GRD do?

A

Opens the engine start valve and closes the engine bleed valve (amongst other things)

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