Engines/APU

Question 1

The maximum altitude the APU can be used for Pack operation is _____.

Answer 1

22,000 feet

Question 2

If AC power is not available, the DC pump in the ______ tank provides APU fuel.

Answer 2

left main

Question 3

If the APU starts automatically in flight, it _____.

Answer 3

can be shut down by positioning the selector to ON, then OFF.

Question 4

With AC power available, and the APU selector to ON, the _______ and cannot be turned off on the ground.

Answer 4

left forward fuel pump operates automatically

Question 5

What occurs when the APU selector is turned to OFF?

Answer 5

Initiates normal shutdown.

Question 6

Oil pressure, temperature, and quantity are ______.

Answer 6

displayed on the secondary engine display

Question 7

The START/IGNITION selectors control the ______ and provide continuous ignition capability.

Answer 7

starter air valves

Question 8

During takeoff, the EGT indication is _____.

Answer 8

often in the amber band

Question 9

What does the autostart system NOT monitor during engine start?

Answer 9

Oil pressure and oil temperature

Question 10

How does the EEC shift from NORM to the soft alternate mode of operation?

Answer 10

If the required signals are not available to operate in the normal mode

Question 11

The ALTN mode of EEC operation provides _______.

Answer 11

overspeed protection

Question 12

In the alternate mode, the EEC uses _____ as the controlling parameter.

Answer 12

N1

Question 13

During a ground Autostart with the FUEL CONTROL switch in RUN, at the appropriate ______ the engine valve opens and the ignitor(s) energize.

Answer 13

N2 RPM

Question 14

How many starters does the APU have?

Answer 14

Two, one electric and one air turbine

Question 15

In flight, the APU will automatically shut down with no cool-down period for ______.

Answer 15

an overspeed

Question 16

How can pilots be certain that the APU is operating normally?

Answer 16

The message APU RUNNING is displayed on EICAS.

Question 17

(Regarding the Thrust Reverser System)

The EECs also provide thrust limits protection in which mode?

Answer 17

Reverser operation

Question 18

Secondary engine indications are automatically displayed when _______.

Answer 18

the fuel control switch is moved to CUTOFF in flight

Question 19

If the EGT limit is exceeded during an inflight engine restart, ______.

Answer 19

the start is temporarily discontinued.

Question 20

The normal power source for engine ignition is main AC power. The backup source for ignition is ______.

Answer 20

standby AC power

Question 21

During an inflight engine autostart, if the EGT limit is exceeded, the _______.

Answer 21

start is temporarily discontinued to allow engine cooling; however, the autostart is not aborted

Question 22

Forward throttle movement is mechanically restricted until _______.

Answer 22

the reverse thrust lever is fully down.

Question 23

On the ground with the engines not running, the APU shuts down with no cool-down period if which of the following occurs: _____.

Answer 23

APU controller failure

Question 24

Engine failure WARNINGs occur when the engine produces less than commanded thrust ______.

Answer 24

during takeoff below 400 feet radio altitude and between 65 knots and 6 knots less than V1.

Question 25

An auto-relight is initiated anytime a flameout is detected. A flameout is detected by the EEC when ______.

Answer 25

N2 is less than idle RPM

Question 26

During an inflight engine start, how does the EEC interact with the ignitors?

Answer 26

it selects both ignitors

Question 27

During a ground engine start, what action does AUTOSTART perform?

Answer 27

It may abort, and then re-initiate the start.

Question 28

With Autostart switch selected OFF, the spar and engine fuel valves open, allowing fuel flow to the engine, when the _______.

Answer 28

engine fire handle is in, and the FUEL CONTROL switch is in RUN

Question 29

How would you know that the EEC had switched to the soft alternate mode (200A/B)?

Answer 29

EPR indication is blank

Question 30

The NORM mode of EECs (200A/B) operation provides _______.

Answer 30

thrust limit and overspeed protection

Question 31

On the ground, the autostart system will attempt a maximum of _______ start(s) (200A/B)

Answer 31

2

Question 32

APU fuel can be provided by _____.

Answer 32

any AC fuel pump supplying fuel to the left fuel manifold

Question 33

In flight, the APU automatically starts regardless of APU selector position under which of these conditions?

Answer 33

Loss of power to both AC transfer busses.

Question 34

When the START/IGNITION switch is in the NORM position, continuous ignition is automatically provided _______.

Answer 34

with the flap lever out of the UP position

Question 35

The EEC automatically selects approach idle when _______

Answer 35

flaps are commanded to 25 or greater

Question 36

The autostart system will attempt a second start for all the following conditions EXCEPT for ___

Answer 36

insufficient air pressure

Question 37

The autostart system will not attempt a second start on the ground if _______

Answer 37

there is no N1 rotation

Question 38

The main airplane battery powers the APU _______.

Answer 38

inlet door, fuel valve, and fire detection system

Question 39

The APU continues to operate in the attended mode and the EICAS message APU LIMIT displays for a ______ fault.

Answer 39

high EGT

Question 40

Doug spent several hours creating this Brainscape class. How can I show my appreciation for using these flashcards?

Answer 40

Make a small donation to his favorite charity! You can use PayPal!
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