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Boeing-737 Study Items > 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
C. all answers are correct

A

C. all answers are correct

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2
Q

The maximum allowable EGT for Engine Start is_______.
A. 795°C
B. 725°C
C. 750°C

A

B. 725°C

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3
Q

An Amber Arc on an Engine Limit Display indicates______.
A. Cautionary range
B. Normal operating range
C. Maximum and minimum limits

A

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. 17,000 ft.
B. 18,000 ft.
C. 10,000 ft.

A

C. 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.
B. 18,000 ft.
C. 10,000 ft.

A

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.
B. 17,000 ft.
C. 35,000 ft.

A

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 reduced thrust rating for current conditions
B. not limit engine thrust
C. limit thrust to the maximum certified thrust rating for current conditions

A

C. 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 manually entered the hard-alternate mode
B. The EEC has failed
C. The EEC has automatically changed to the soft alternate mode

A

C. 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
B. cannot

A

A. can

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10
Q

In what mode does the EEC provide N1 and N2 redline overspeed protection in?
A. alternate mode only
B. normal mode and alternate mode
C. normal mode only

A

B. 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
B. The engine crossbleed
C. all answers are correct

A

C. all answers are correct

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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%
B. 65%
C. 46%

A

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
B. wet starts
C. all answers are correct

A

C. all answers are correct

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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 wet start
B. an impending hot start
C. impending hung start

A

B. 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
B. the selected igniters(s) are energized when the engine start lever is placed to IDLE
C. all answers are correct

A

C. all answers are correct

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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
B. The starter valve opens and the engine bleed air valve closes
C. Ignition is provided to the selected igniters when engine is operating, and engine start lever is in any position

A

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 both igniters when engine is operating and engine start lever is in IDLE
B. The starter valve opens and the engine bleed air valve closes
C. Ignition is provided to the selected igniters when engine is operating and engine start lever is in IDLE

A

A. Ignition is provided to 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 transfer bus #2
B. AC standby bus
C. AC transfer bus #1

A

B. AC standby bus

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19
Q

_______occurs when the EEC detects an engine flameout.
A. both engine igniters are activated
B. additional fuel is introduced
C. all answers are correct

A

A. both engine igniters are activated

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20
Q

X-BLD START above the N2 dial indicates ______.
A. windmill start recommended
B. crossbleed air not recommended for start
C. crossbleed air recommended for inflight start

A

C. crossbleed air recommended for inflight start

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21
Q

The thrust reversers can be deployed when _____ or when either radio altimeter sense less than 10 feet altitude.
A. the TO/GA switch is held for 5 seconds
B. thrust reverser override switch it pressed
C. the air / ground safety sensor is in the ground mode

A

C. the air / ground safety sensor is in the ground mode

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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
B. the thrust reverser is deployed
C. thrust reverse is required

A

A. the thrust reverser is moved from stowed position

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23
Q

What does a green REV displayed above the N1 gages on the center instrument panel indicate?
A. the thrust reverser is deployed
B. the thrust reverser is moved from stowed position
C. thrust reverse is required

A

A. the thrust reverser is deployed

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24
Q

What does a green REV displayed above the N1 gages on the center instrument panel indicate?
A. the thrust reverser is deployed
B. the thrust reverser is moved from stowed position
C. thrust reverse is required

A

A. the thrust reverser is deployed

25
Q

In regards to the APU, what happens when moving the battery switch to OFF, on the ground or in flight?
A. has no effect on APU operation
B. on the ground or inflight, causes an automatic shutdown of the APU
C. on the ground only causes and automatic shutdown of the APU

A

B. on the ground or inflight, causes an automatic shutdown of the APU

26
Q

In regards to the APU, what happens when moving the battery switch to OFF, on the ground or in flight?
A. has no effect on APU operation
B. on the ground or inflight, causes an automatic shutdown of the APU
C. on the ground only causes and automatic shutdown of the APU

A

B. on the ground or inflight, causes an automatic shutdown of the APU

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
B. the APU will introduce more fuel
C. the APU GEN OFF BUS light illuminates

A

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 extinguishes the APU GEN OFF BUS light. When does shutdown occurs?
A. automatically after a 60 second delay
B. immediately
C. after a 10 second delay

A

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
B. three minutes
C. 30 seconds

A

A. one minute

30
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
B. three minutes
C. 30 seconds

A

A. one minute

31
Q

On the B737-800, the APU can be operated with the blue Maintenance (MAINT) light illuminated.
A. True
B. False

A

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 APU has failed to start
B. The APU has automatically shutdown for high oil temperature
C. The overspeed shutdown protection feature has failed a self-test during normal APU shutdown

A

C. 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. when the APU oil quantity is less than 75%
B. anytime maintenance is needed
C. anytime a malfunction exists causing the APU to automatically shutdown

A

C. 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
B. False

A

A. True

35
Q

On the PFD/ND, where are the Secondary Engine Indications displayed?
A. Upper Display Unit
B. Lower Display Unit
C. PFD / ND Displays

A

B. Lower Display Unit

36
Q

On the PFD/ND, how is low oil quantity indicated?
A. in reversed video and LO (white)
B. by a red box
C. by a flashing red box

A

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
B. displays primary engine indications on the lower DU
C. displays hydraulic system indications

A

A. displays secondary engine indications on lower DU

38
Q

Each Engine is equipped with a thrust reverser that is operated________.
A. pneumatically
B. hydraulically
C. electrically

A

B. 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. pneumatic relief valve
B. auto-restow circuit
C. mechanical relief valve
A

B. auto-restow circuit

40
Q

N1 reference bugs and readouts can be manually set by______.
A. By turning the SPD REF knob
B. They cannot be manually set
C. By turning the N1 SET inner knob when the N1 SET outer knob is set to BOTH, 1, or 2.

A

C. 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
B. Engine N2 below sustainable idle (50% N2)
C. Engine start lever in IDLE position

A

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
B. The normal operating range
C. A normal engine shutdown had occurred

A

A. An operating limit is being exceeded

43
Q

A red N2 RPM display indicates______.
A. An operating limit is being exceeded
B. The normal operating range
C. A normal engine shutdown had occurred

A

B. The normal operating range

44
Q

A steady illuminated amber START VALVE OPEN Alert light indicates_______.
A. There is an uncommanded opening of start valve
B. The start valve will not open
C. The respective engine start valve is open and air is supplied to the starter

A

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

45
Q

A steady illuminated amber LOW OIL PRESSURE Alert light indicates______.
A. The oil temperature is below red line
B. The oil pressure is at or below red line
C. The oil pressure is above red line but in the caution range

A

B. The oil pressure is at or below red line

46
Q

A steady illuminated amber OIL FILTER BYPASS Alert light indicates______.
A. There is an impending bypass of scavenge oil filter
B. There is an impending bypass of fuel oil heat exchanger
C. Oil is bypassing the N1 compressor section

A

A. There is an impending bypass of scavenge oil filter

47
Q

Blinking amber START VALVE OPEN Alert light along with 2 solid amber boxes on the upper display indicate______.
A. There is an uncommanded opening of start valve
B. The respective engine start valve is closed
C. The start valve will not open

A

A. There is an uncommanded opening of start valve

48
Q

On a B737-800, a White Arc on an Engine Limit Display indicates_____.
A. Normal operating range
B. Cautionary range
C. Maximum and minimum limits

A

A. Normal operating range

49
Q

A red line on an Engine Limit Display indicates______.
A. Cautionary range
B. Maximum and minimum limits
C. Normal operating range

A

B. Maximum and minimum limits

50
Q

On the B737-800, engine vibration is displayed on_______.
A. FMC Performance Page
B. FMC Progress Page 4
C. Secondary Engine Display on the Lower Display Unit

A

C. Secondary Engine Display on the Lower Display Unit

51
Q

When the engine ignition select switch is in the _______ position, it will select all igniters for use on both engines?
A. IGN L
B. BOTH
C. IGN R

A

B. BOTH

52
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
B. The auto-restow circuit has been activated
C. all answers are correct

A

C. all answers are correct

53
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
B. The auto-restow circuit has been activated
C. all answers are correct

A

C. all answers are correct

54
Q

The Forward Thrust Lever can be advanced if the reverse thrust lever is in the deployed position
A. True
B. False

A

B. False

55
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 via the EEC
B. Mechanically closes the engine start valve
C. Connects the generator to the electrical system

A

A. Electrically opens engine-mounted fuel shutoff valve via the EEC

56
Q

________ is the Maximum continuous engine oil temperature.
A. 145°C
B. 155°C
C. 140°C

A

C. 140°C

57
Q

The minimum engine oil quantity prior to engine start is_____.
A. 70%
B. 40%
C. 50%

A

A. 70%

58
Q

It is required to allow an engine to remain at idle for __ minute(s) before changing thrust lever position when ambient temperatures are below -35° C.
A. 2
B. 1
C. 3

A

A. 2

Boeing-737 Study Items (15 decks)

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