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UAL B737 Study (2.27.2024) > Engine > Flashcards

Engine Flashcards

1
Q

Engine Ignition must be on for:

()Takeoff and Landing
()Engine and Anti-ice Operation and Heavy Rain
()all answers are correct

A

()All answers are correct

Takeoff and Landing
Engine Anti-Ice Operation and Heavy Rain

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2
Q

What is the maximum allowable EGT for Engine Start?

()750C
()725C
()795*C

A

()725*C

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3
Q

What is minimum oil pressure?

()10psi
()5psi
()13psi

A

13 psi

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4
Q

What does an Amber Arc on an Engine Limit Display indicate?

()Normal operating range
()Maximum and minimum limits
()Cautionary range

A

()Cautionary range

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5
Q

On the B737-800, the APU can supply electrical power and bleed air up to a maximum altitude of ________.

()17000 ft
()10000 ft
()18000 ft

A

()10,000ft

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6
Q

On the B737-800, the APU can supply bleed air alone up to a maximum altitude of ________.

()10000 ft
()18000 ft
()17000 ft

A

()17,000 ft

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7
Q

On the B737-800, the APU can supply electrical power alone up to a maximum altitude of ________.

()41000 ft
()17000 ft
()35000 ft

A

()41,000ft

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8
Q

With the EEC in Normal Mode, if the thrust lever is advanced to the forward stop, the EEC will ____________________________.

()limit thrust to the maximum certified thrust rating for current conditions
()limit thrust to the maximum reduced thrust rating for current conditions
()not limit engine thrust

A

()limit thrust to the maximum certified thrust rating for current conditions

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9
Q

On the engine panel on the aft overhead panel, both ON and ALTN may be in view if the EEC has __________.

()failed
()manually entered the hard mode
()automatically changed to the soft alternate mode

A

()automatically changed to the soft alternate mode

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10
Q

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

()cannot
()can

A

Can

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11
Q

The EEC provides N1 and N2 redline overspeed protection in __________.

()normal mode only
()normal mode and alternate mode
()alternate mode only

A

normal mode and alternate mode

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12
Q

The engines may be started with air __________.

()by using engine crossbleed
()from the APU or ground source
()all a answers are correct

A

All answers are correct

from the APU or ground source and by using engine crossbleed

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13
Q

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

()65%
()56%
()46%

A

56%

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14
Q

On the B737-800, during ground starts, the EEC monitors engine parameters to detect:

()wet starts
()impending hot starts and EGT start limit exceedances
()all answers are correct

A

All answers are correct

impending hot starts, EGT start limit exceedances, stalls, and wet starts

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15
Q

On the B737-800, what does a flashing white box surrounding the EGT during an engine start indicate?

()an impending hung start
()an impending hot start
()an impending wet start

A

an impending hot start

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16
Q

What occurs when the Engine Start Switch is placed in the GRD position?

()the starter valve opens, the engine bleed valve closes
()the selected igniter(s) are energized when the engine start lever is placed to idle
()all answers are correct

A

()all answers are correct

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

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17
Q

What occurs when the Engine Start Switch is placed in the CONT position?

()The starter valve opens and the engine bleed air valve closes
()ignition is provided to the selected igniters when the engine is operating and engine start lever is in any position
()ignition is provided to the selected igniters when engine is operating and engine start lever is in IDLE

A

Ignition is provided to the selected igniters when engine is operating and engine start lever is in IDLE

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18
Q

What occurs when the Engine Start Switch is placed in the FLT position?

()The start valve opens and the engine bleed air valve closes
()ignition is provide to the selected igniters when the engine is operating and engine start lever is in IDLE
()ignition is provided to the both igniters when the engine is operating and engine start lever is in IDLE

A

Ignition is provided to the both igniters when engine is operating and engine start lever is in IDLE

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19
Q

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

()AC transfer bus 1
()AC standby bus
()AC transfer bus 2

A

AC standby bus

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20
Q

What occurs when the EEC detects an engine flameout?

()additional fuel is introduced
()both engine igniters are activated
()all answers are correct

A

both engine igniters are activated

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21
Q

What does X-BLD START above the N2 dial indicate?

()windmill start recommended
()crossbleed aid not recommended for start
()crossbleed air recommended for inflight start

A

crossbleed air recommended for inflight start

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22
Q

The thrust revers can be deployed when either radio altimeter sense less than 10 feet altitude, or when ______________________.

()the TO/GA switch is held for 5 seconds
() the air/ground safety sensor is in the ground mode
()thrust reverser override switch is pressed

A

the air / ground safety sensor is in the ground mode

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23
Q

An amber REV displayed above the N1 gages on the center instrument panel indicated ________.

()the thrust reverser is deployed
()thrust reverser is required
()the thrust reverser is moved from stowed position

A

the thrust reverser is moved from stowed position

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24
Q

A green REV displayed above the N1 gages on the center instrument panel indicated ________.

()the thrust reverser is deployed
()thrust reverser is required
()the thrust reverser is moved from stowed position

A

the thrust reverser is deployed

25
Q

Which thrust lever position will provide maximum reverse thrust?

()detent No. 1
()pulling beyond detent No. 2
()maximum thrust reverse is not possible until below 30 knots

A

pulling beyond detent No. 2

26
Q

Each Engine is equipped with a __________ operated thrust reverser.

()electrically
()pneumatically
()Hydraulically

A

Hydraulically

27
Q

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

()mechanical relief valve
()pneumatic relief valve
()auto-restow circuit

A

auto-restow circuit

28
Q

Which section of the compressor on the engine produces low temperature, low pressure air?

()N1
()N2
()N3

A

N1

29
Q

How can N1 reference bugs and readouts be manually set?

()They cannot be manually set
()By turning the SPD REF Knob
()By turning the N1 SET inner knob when the N1 SET outer knob is set to BOTH, 1, or 2.

A

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

30
Q

What condition(s) would cause an amber Engine Fail (ENG FAIL) Alert?

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

A

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

31
Q

What does a red N2 RPM display indicate?

()The normal operating range
()A normal engine shutdown has occurred
()An operating limit is being exceeded

A

An operating limit is being exceeded

32
Q

What occurs when the FUEL FLOW Switch is placed in the RESET position?

()The fuel used is reset to zero
()The fuel in the tanks is recalculated
()The fuel referenced in the FMC is recalculated

A

The fuel used is reset to zero

33
Q

What does a steady illuminated amber START VALVE OPEN Alert light indicate?

()The start valve will not open
()There is an uncommanded opening of start valve
()The respective engine start valve is open and air is supplied to the starter

A

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

34
Q

What does a steady illuminated amber LOW OIL PRESSURE Alert light indicate?

()The oil pressure is at or below red line
()The oil temperature is below red line
()The oil pressure is above red line but in the caution range

A

The oil pressure is at or below red line

35
Q

What does a steady illuminated amber OIL FILTER BYPASS Alert light indicate?

()there is a impending bypass of fuel oil heat exchanger
()There is an impending bypass of scavenge oil filter
()Oil is bypassing the N1 compressor section

A

There is an impending bypass of scavenge oil filter

36
Q

What does blinking amber START VALVE OPEN Alert light along with 2 solid amber boxes on the upper display indicate?

()The start valve will not open
()There is an uncommanded opening of start valve
()The respective engine start valve is closed

A

There is an uncommanded opening of start valve

37
Q

On a B737-800, what does a White Arc on an Engine Limit Display indicate?

()Normal operating range
()Cautionary Range
()Maximum and minimum limits

A

Normal operating range

38
Q

On the B737-800, what is minimum oil quantity prior to engine start?

()75%
()70%
()50%

A

70%

39
Q

On the B737-800, where is engine vibration displayed?

()FMC performance page
()FMC progress page
()Secondary Engine Display on the Lower Display Unit

A

Secondary Engine Display on the Lower Display Unit

40
Q

What position on the engine ignition select switch will select all igniters for use on both engines?

()IGN L
()IGN R
()BOTH

A

BOTH

41
Q

What does an illuminated amber REVERSER light on the aft overhead panel indicate?

()The auto-restow circuit has been activated
()The isolation valve or thrust reverser control valve is not in commanded position, one or more thrust reverser sleeves are not in commanded state, or a failure has been detected in synchronization shaft lock circuitry
()all answers are correct

A

All answers are correct

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 and

The auto-restow circuit has been activated

42
Q

What does an illuminated amber ENGINE CONTROL light on the aft overhead panel indicate?

()The EEC is in the alternate mode
()The auto-restow circuit has been activated
()The engine control system is not dispatchable due to faults in the system

A

The engine control system is not dispatchable due to faults in the system

43
Q

Can the Forward Thrust Lever be advanced if the reverse thrust lever is in the deployed position?

()Yes
()No

A

No

44
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; and ________________.

()Mechanically closes the engine start valve
()connects the generator to the electrical system
()Electrically opens engine-mounted fuel shutoff valve via the EEC

A

Electrically opens engine-mounted fuel shutoff valve via the EEC

45
Q

What type of Engines are installed?
(700/800/900/9ER)

(MAX)

A

(700/800/900/9ER)
CFM56-7

(MAX)
LEAP-1B

46
Q

Moving the battery switch to off___________.

() On the ground or in flight, causes an automatic shut down of the APU

() On the ground only causes an automatic shut down of the APU.

()Has no effect on APU operation.

A

On the ground or in flight, causes an automatic shut down of the APU

47
Q

In times other than engine starting, one electrical loads and bleed air extraction and combine to raise the EGT on the APU above acceptable levels,_______________.

() Bleed air extraction is reduced while maintaining electrical load.

()The APU will load shed the main bus.

()The APU will initiate an auto shut down.

A

Bleed air extraction is reduced while maintaining electrical load.

48
Q

What happens if the APU does not reach the proper speed with the proper acceleration rate within the time limit of the starter?

() The start cycle automatically terminates.

() The APU will introduce some more fuel.

() The APU GEN OFF BUS light illuminates.

A

The start cycle automatically terminates.

49
Q

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. Shutdown occurs_______.

() Automatically after a 60 delay.

() Immediately.

() After a 10 second delay.

A

Automatically after a 60 delay.

50
Q

To extend the service life of the APU, operate the APU for ______ before using it as a bleed air source.

() One minute.

() Three minutes.

() 30 seconds.

A

One minute.

51
Q

On the B737-800, Inn Flight, if the APU is the only source for electrical power,______.

() All galley buses are automatically shed.

() AC transfer 2 is automatically shed.

() No bleed air can be used.

A

All galley buses are automatically shed.

52
Q

Can the APU be operated with the blue maintenance (MAINT) light illuminated?

() Yes.

() No.

A

Yes

53
Q

An Amber APU overspeed light is illuminated, this indicates the APU rpm limit has been exceeded resulting in a automatic shut down or______.

() The overspeed shutdown protection feature has failed a self test during normal APU shutdown.

() The APU has automatically shutdown for high oil temperature.

() The APU has failed to start.

A

The overspeed shutdown protection feature has failed a self test during normal APU shutdown.

54
Q

On the B737-800, when does the APU fault light illuminate?

() Anytime a malfunction exist causing the APU to automatically shut down.

() Anytime maintenance is needed.

() When the APU oil quantity is less than 75%.

A

Anytime a malfunction exist causing the APU to automatically shut down.

55
Q

Is it acceptable to have an APU low oil pressure light illuminated during APU start?

() Yes.

() No.

A

Yes

56
Q

On the PFD/ND, low oil quantity is indicated______.

() In reversed video and LO (white)

() by a red box

() by a flashing red box

A

In reversed video and LO (white)

57
Q

What does Red Line on an Engine Limit Display indicate

()Normal operating range
()Cautionary range
()Maximum and minimum limits

A

()Maximum and minimum limits

58
Q

On the PFD/ND, pushing the MFD Engine (ENG) switch_____.

()displays primary engine indications on the lower DU

()displays hydraulic systems indications

()displays secondary engine indications on lower DU

A

()Displays secondary engine indications on lower DU

UAL B737 Study (2.27.2024) (22 decks)

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