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E175 > Engines > Flashcards

Engines Flashcards

1
Q

Engine shutdown can only be completed if the thrust lever is _______ degrees or
less above idle position.

A

5 degrees

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2
Q

Which of the following air sources can be used to start the engines?

A

APU, ground source, or opposite engine

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3
Q

During a normal engine start, fuel is introduced at approximately _____% N2.

A

20%

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4
Q

True or False: Each engine’s FADEC is a tri-channel microprocessor.

A

False [2 channel]

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5
Q

True or False: If in flight, the FADEC disregards an OFF selection of the ignition
switches.

A

True

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6
Q

Placing the thrust levers in _______ selects takeoff, maximum continuous, or go-
around mode settings.

A

TO/GA

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7
Q

When the thrust levers are placed to IDLE, the following idle modes are available:

A

Flight idle,
approach idle,
final approach idle,
or ground idle

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8
Q

The wing anti-ice cyan line on the N1 gauge appears when in icing conditions
during final approach, gear or flaps are extended, and the radio altimeter altitude is
below _____ feet.

A

1,200 ft [minimum thrust level to meet bleed requirements]

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9
Q

Which of the following statements regarding FADEC electrical power is most
Accurate?

A

Above approximately 50% N2 the FADEC is powered by the Permanent Magnet Alternator (PMA), when below 50% N2 the aircraft’s electrical system provides power

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10
Q

True or False: In flight, the ATTCS is automatically armed any time the GA thrust
mode is selected.

A

True

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11
Q

Approach idle is activated when:

A

The aircraft is in flight, altitude is less than 15,000 ft, flaps 1 or greater are selected or the landing gear is down

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12
Q

True or False: Approach idle is activated at any altitude when Flaps 1 or greater is
selected and the landing gear is down.

A

False [less than 15,000 ft, either gear OR flaps]

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13
Q

Final approach idle is activated when the aircraft is in flight, altitude is less than
_____ ft. AGL, landing flaps are selected and gear is down.

A

1,200 ft

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14
Q

True or False: “High Altitude Idle” is one of the idle thrust modes available when
the thrust levers are set to IDLE and the aircraft is between FL350 and FL410.

A

False

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15
Q

True or False: If two consecutive overspeed detection events occur within 30
seconds of each other, the FADEC will not relight the engine.

A

False [3 consecutive events]

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16
Q

Engine oil is cooled by _______ before it flows to various components of the
engine.

A

Fuel/oil heat exchanger

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17
Q

Thrust reverser 1 is powered by Hydraulic System #_______ and thrust reverser 2
is powered by Hydraulic System #_______.

A

1, 2

18
Q

Thrust reversers that are fully developed are displayed as REV with which color?

A

green

19
Q

Thrust reversers that are in transition are displayed as REV with which color?

A

amber

20
Q

Thrust reversers that are failed between selected and actual reverser positions are
displayed as REV with which color?

A

red

21
Q

True or False: This aircraft is equipped with Pratt & Whitney high-bypass turbofan
Engines.

A

False

22
Q

True or False: Each engine can produce up to 17,500 lbs. of thrust with the
activation of the ATTCS system.

A

False
(14,500lb thrust)

23
Q

The N1 rotor consists of _______.

A

Fan, low pressure turbine

24
Q

FADEC automatically controls the ignition system if it’s in the _______ position.

A

AUTO

25
Q

Primary engine indications are primarily displayed on the _______.

A

EICAS

26
Q

Engine oil levels are displayed on the _______.

A

EICAS

27
Q

What does ATTCS stand for?

A

Automatic Takeoff Trust COntrol System

28
Q

A FLEX take-off is achieved by entering what into the MCDU?

A

FLEX T/O (ON or OFF), Flex Temp (_degrees C) (2.6.7 Vol 1)
The assumed temperature must be higher than the TO TEMP (entered on the T/O DATASET MENU page)

29
Q

True or False: If ATTCS is NOT selected for takeoff, the equivalent ATTCS thrust
can be manually achieved by selecting the thrust levers to the MAX position.

A

True

(6.14 Vol 2)

30
Q

True or False: The thrust reverser system is electronically actuated.

A

False [hydraulically actuated]

31
Q

If the active FADEC channel fails on an engine, what is the result?

A

The Standby channel would take control of the engine

32
Q

Which of the following would NOT trigger an ATTCS command from the FADEC?

A

As long as TLA is set at TOGA:

difference between both engine N1 values is greater than 15%,
One engine failure during takeoff or go-around,
windshear detection

(6.14 Vol 2)

33
Q

True or False: During the starting process, the FADEC closes the SCV when the
starter cutout speed is reached.

A

True [SCV - Starter Control Valve]

34
Q

During ground start, ignition is initiated by the FADEC at approximately _______%
N2.

A

7%

35
Q

Approach Idle mode allows for which of the following?

A

Allows rapid acceleration of engine thrust for a go around

36
Q

True or False: The autothrottles can be engaged in flight at any time and under any
Circumstances.

A

False

37
Q

When can the autothrottle be engaged in flight?

A

No AT active failures,
AT button pressed on the guidance panel,
aircraft at or above 400 ft AGL

38
Q

When can the autothrottle be engaged on the ground?

A

No AT active failures, AT button pressed on the guidance panel, both thrust levers above 50 degrees TLA

39
Q

The autothrottle disengages when the difference in the TLA is greater than ____ degrees.

A

8 degrees

40
Q

True or False: Autothrottle disengagement can be accomplished by pressing either the A/T DISC button on the thrust levers or by pressing the AT button on the guidance panel.

A

True

E175 (23 decks)

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