Engines Flashcards
Engine shutdown can only be completed if the thrust lever is _______ degrees or
less above idle position.
5 degrees
Which of the following air sources can be used to start the engines?
APU, ground source (air cart), or opposite engine (crossbleed)
During a normal engine start, fuel is introduced at approximately _____% N2.
20%
True or False: Each engine’s FADEC is a tri-channel microprocessor.
False [2 channel]
True or False: If in flight, the FADEC disregards an OFF selection of the ignition switches.
True
Placing the thrust levers in _______ selects takeoff, maximum continuous, or go-around mode settings.
TO/GA
When the thrust levers are placed to IDLE, the following idle modes are available:
Flight idle,
approach idle,
final approach idle,
or ground idle
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.
1,200 ft [minimum thrust level to meet bleed requirements]
Which of the following statements regarding FADEC electrical power is most
accurate?
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
True or False: In flight, the ATTCS is automatically armed any time the GA thrust mode is selected.
True
Approach idle is activated when:
The aircraft is in flight,
and altitude is less than 15,000 ft,
and flaps 1 or greater are selected or the landing gear is down
True or False: Approach idle is activated at any altitude when Flaps 1 or greater is selected and the landing gear is down.
False [less than 15,000 ft, either gear OR flaps]
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.
1,200 ft
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.
False
True or False: If two consecutive overspeed detection events occur within 30
seconds of each other, the FADEC will not relight the engine.
False [3 consecutive events]
Engine oil is cooled by _______ before it flows to various components of the
engine.
Fuel/oil heat exchanger
Thrust reverser 1 is powered by Hydraulic System #_______ and thrust reverser 2 is powered by Hydraulic System #_______.
1, 2
Thrust reversers that are fully developed are displayed as REV with which color?
green
Thrust reversers that are in transition are displayed as REV with which color?
amber
Thrust reversers that are failed between selected and actual reverser positions are displayed as REV with which color?
red
True or False: This aircraft is equipped with Pratt & Whitney high-bypass turbofan Engines.
False
True or False: Each engine can produce up to 17,500 lbs. of thrust with the
activation of the ATTCS system.
False
(14,500lb thrust)
The N1 rotor consists of _______.
Fan, and low pressure turbine
FADEC automatically controls the ignition system if it’s in the _______ position.
AUTO
Primary engine indications are primarily displayed on the _______.
EICAS
Engine oil levels are displayed on the _______.
MFD, System Status Page
What does ATTCS stand for?
Automatic Takeoff Thrust Control System
A FLEX take-off is achieved by entering what into the MCDU?
[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)
True or False: Manually selecting the thrust levers to the MAX position will give you the equivalent thrust of automatic ATTCS activation with RSV thrust.
True
(6.14 Vol 2)
True or False: The thrust reverser system is electronically actuated.
False [hydraulically actuated]
If the active FADEC channel fails on an engine, what is the result?
The Standby channel becomes the active channel
Which of the following would NOT trigger an ATTCS command from the FADEC?
Will trigger 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)
NOT “Icing conditions encountered on takeoff with the anti-ice selected to OFF in the MCDU“
True or False: During the starting process, the FADEC closes the SCV when the starter cutout speed is reached.
True
[SCV - Starter Control Valve]
During ground start, ignition is initiated by the FADEC at approximately _______% N2.
7%
Approach Idle mode allows for which of the following?
Allows rapid acceleration of engine thrust for a go around
True or False: The autothrottles can be engaged in flight at any time and under any Circumstances.
False
When can the autothrottle be engaged in flight?
No AT active system failures,
AT button pressed on the guidance panel,
aircraft at or above 400 ft AGL
When can the autothrottle be engaged on the ground?
No AT active failures,
AT button pressed on the guidance panel,
both thrust levers above 50 degrees TLA
The autothrottle disengages when the difference in the TLA is greater than ____ degrees.
8 degrees
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.
True
