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SV STUDY GUIDE 737 > Engines/APU > Flashcards

Engines/APU Flashcards

1
Q

When must Engine Ignition be on:

A
  • Takeoff and Landing
  • B. Engine Anti-Ice Operation and Heavy Rain
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2
Q

The maximum allowable EGT for Engine Start is_______.

A
  • 725°C
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3
Q

An Amber Arc on an Engine Limit Display indicates______.

A
  • Cautionary range
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4
Q

On the B737-800, what is the maximum altitude that the APU can supply electrical power and bleed air up
to?

A
  • 10,000 ft.
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5
Q

On the B737-800, what is the maximum altitude that the APU can supply bleed air alone up to?

A
  • 17,000 ft.
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6
Q

On the B737-800, What is the maximum altitude that the APU can supply electrical power alone up to?

A
  • 41,000 ft.
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7
Q

With the EEC in Normal Mode, if the thrust lever is advanced to the forward stop, what will the EEC do?

A
  • limit thrust to the maximum certified thrust rating for current conditions
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8
Q

On the engine panel on the aft overhead panel, when will both ON and ALTN be in view?

A
  • The EEC has automatically changed to the soft alternate mode
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9
Q

Thrust rating shortfalls and exceedances _______ occur as flight conditions change, when the EEC is in soft
alternate mode.

A
  • can
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10
Q

In what mode does the EEC provides N1 and N2 redline overspeed protection in?

A
  • normal mode and alternate mode
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11
Q

Which air source may the engines be started with?

A
  • The APU or ground source
  • The engine crossbleed
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12
Q

On the B737-800 power is removed from the start switch holding the solenoid for starter cutout at
approximately _____ N2 speed.

A
  • 56%
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13
Q

On the B737-800, what do the EECs monitor to detect during ground starts?

A
  • impending hot starts and EGT start limit exceedances
  • wet starts
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14
Q

On the B737-800, a flashing white box surrounding the EGT during an engine start indicates_____.

A
  • an impending hot start
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15
Q

When the Engine Start Switch is placed in the GRD position, _____occurs.

A
  • the starter valve opens, the engine bleed air valve closes
  • the selected igniters(s) are energized when the engine start lever is placed to IDLE
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16
Q

When the Engine Start Switch is placed in the CONT position, ______ occurs.

A
  • Ignition is provided to the selected igniters when engine is operating, and engine start lever is in IDLE
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17
Q

When the Engine Start Switch is placed in the FLT position, _____ occurs.

A
  • Ignition is provided to the both igniters when engine is operating and engine start lever is in IDLE
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18
Q

IGN L, is powered by AC transfer bus #1 for engine #1 and AC transfer bus #2 for engine #2. What is IGN R
powered by for either engine?

A
  • AC standby bus
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19
Q

_______occurs when the EEC detects an engine flameout.

A
  • both engine igniters are activated
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20
Q

X-BLD START above the N2 dial indicates ______.

A
  • crossbleed air recommended for inflight start
21
Q

The thrust reversers can be deployed when ______________________ or when either radio altimeter sense
less than 10 feet RA.

A
  • the air / ground safety sensor is in the ground mode
22
Q

What does an amber REV displayed above the N1 gages on the center instrument panel indicate?

A
  • the thrust reverser is moved from stowed position
23
Q

What does a green REV displayed above the N1 gages on the center instrument panel indicate?

A
  • the thrust reverser is deployed
24
Q

_______thrust lever position will provide maximum reverse thrust.

A
  • pulling beyond detent No. 2
25
Q

In regard to the APU, what happens when moving the battery switch to OFF, on the ground or in flight?

A
  • on the ground or inflight, causes an automatic shutdown of the APU
26
Q

If the APU does not reach the proper speed with the proper acceleration rate within the time limit of the
starter, _____ happens.

A
  • the start cycle automatically terminates
27
Q

If the APU does not reach the proper speed with the proper acceleration rate within the time limit of the
starter, _____ happens.

A
  • the start cycle automatically terminates
28
Q

On the B737-800, moving the APU switch to the OFF position trips the APU generator, closes the APU bleed
air valve and extinguished the APU GEN OFF BUS light. When does shutdown occurs?

A
  • automatically after a 60 second delay
29
Q

Operate the APU for ________ before using it as a bleed air source, in order to extend the service life of the
APU.

A
  • one minute
30
Q

On the B737-800, in flight, what happens if the APU is the only source for electrical power?

A
  • all galley busses are automatically shed
31
Q

On the B737-800, the APU be operated with the blue Maintenance (MAINT) light illuminated.

A
  • True
32
Q

On the B737-800, an amber APU OVERSPEED light is illuminated, this indicates ________, or the APU RPM
limit has been exceed resulting in an automatic shutdown.

A
  • The overspeed shutdown protection feature has failed a self-test during normal APU shutdown
33
Q

On the B737-800, the amber APU FAULT light illuminates______.

A
  • anytime a malfunction exists causing the APU to automatically shutdown
34
Q

On the B737-800, it is acceptable to have an APU LOW OIL PRESSURE light illuminated during APU start?

A
  • True
35
Q

On the PFD/ND, where are the Secondary Engine Indications normally displayed?

A
  • Lower Display Unit
36
Q

On the PFD/ND, how is low oil quantity indicated?

A
  • in reversed video and LO (white)
37
Q

On the PFD/ND, what does pushing the MFD Engine (ENG) switch do?

A
  • displays secondary engine indications on lower DU
38
Q

Each Engine is equipped with a thrust reverser that is operated________.

A
  • hydraulically
39
Q

In the event of incomplete stowage or uncommanded movement of the thrust reverser sleeve toward the
deployed position, what will open the isolation valve and command the control valve to stow the thrust
reverser?

A
  • auto-restow circuit
40
Q

N1 reference bugs and readouts can be manually set by______.

A
  • By turning the N1 SET inner knob when the N1 SET outer knob is set to BOTH, 1, or 2.
41
Q

________condition(s) would cause an amber Engine Fail (ENG FAIL) Alert.

A
  • Engine N2 below sustainable idle (50% N2) and engine start lever in IDLE position
42
Q

A red N2 RPM display indicates______.

A
  • An operating limit is being exceeded
43
Q

A steady illuminated amber START VALVE OPEN Alert light indicates_______.

A

A. The respective engine start valve is open and air is supplied to the starter

44
Q

An illuminated amber REVERSER light on the aft overhead panel indicates______.

A
  • The isolation valve or thrust reverser control valve is not in commanded position, one or more thrust
    reversers sleeves are not in commanded state, or a failure has been detected in synchronization shaft
    lock circuitry
  • The auto-restow circuit has been activated
45
Q

An illuminated amber ENGINE CONTROL light on the aft overhead panel indicates____.

A
  • The engine control system is not dispatchable due to faults in the system
46
Q

Moving the Engine Start Lever to IDLE ______________, energizes ignition system through EECs; electrically
opens spar fuel shutoff valve in the wing leading edge, outboard of the pylon.

A
  • Electrically opens engine-mounted fuel shutoff valve
47
Q

________ is the Maximum continuous engine oil temperature.

A
  • 140°C
48
Q

The minimum engine oil quantity prior to engine start is_____.

A
  • 70%
49
Q

It is required to all an engine to remain at idle for __ minute(s) before changing thrust lever position when
ambient temperatures are below -35° C.

A
  • 2

SV STUDY GUIDE 737 (15 decks)

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