POWERPLANT Flashcards

1
Q

On ground the start sequence is automatically aborted:

a. there is no automatic abort sequence
b. only in case of hot start or hung start
c. only in case of no light up
d. in case of hot start, hung start, stall or no light up

A

d. in case of hot start, hung start, stall or no light up

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2
Q

During an automatic start on ground, the sequence is:

a. Ignition by N2 > 16%, HP fuel valve opening by N2 > 22% ; start valve closure by N2>50%
b. Ignition and HP fuel valve opening by N2 > 16% - start valve closure by N2 > 50%
c. Ignition and HP fuel valve opening by N2 22% - start valve closure by N2 > 50%

d. Ignition by N2 > 16% - HP fuel valve opening by N2 > 22% - start valve closure by setting
mode selector to NORM

A

a. Ignition by N2 > 16%, HP fuel valve opening by N2 > 22% ; start valve closure by N2>50%

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3
Q

Thrust reversers are actuated by:

a. hydraulic actuators: green for engine 1 – yellow for engine 2
b. hydraulic actuators: green for both engines
c. hydraulic actuators: blue for engine 1, yellow for engine 2
d. pneumatic actuators

A

a. hydraulic actuators: green for engine 1 – yellow for engine 2

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4
Q

The FADEC is electrically supplied by:

a. aircraft electrical system only
b. batteries if A/C electrical power fails
c. self powered above 12% N2
d. aircraft electrical system or self powered in an emergency

A

c. self powered above 12% N2

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5
Q

In manual mode, when the thrust levers are between the CLB detent and IDLE:

a. each position of the levers corresponds to an N1
b. N1 is climb N1
c. N1 is idle N1
d. N1 is frozen

A

a. each position of the levers corresponds to an N1

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6
Q

What is the EGT limit at TOGA power setting:

a. 890ºC on 1 Engine or 850ºC both engines running
b. 790ºC during 5 min. (1 min. on 1 engine)
c. 950ºC during 5 min. (10 min. on 1 engine)

A

c. 950ºC during 5 min. (10 min. on 1 engine)

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7
Q

What is the maximum continuous oil temperature:

a. 150ºC
b. 140ºC
c. 155ºC

A

b. 140ºC

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8
Q

The max continuous oil temp. limit maybe exceeded, what is the limit, and under what
conditions?

a. 155ºC for less than 15 min.
b. 155ºC for less than 15 min.if one engine is failed
c. the max cont. oil temp.must not be exceeded

A

a. 155ºC for less than 15 min.

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9
Q

What is the minimum starting oil temperature:

a. -40ºC
b. -10ºC
c. 0º

A

a. -40ºC

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10
Q

What is the minimum oil quantity (ECAM indications):

a. 5 qts + estimated consumption (0.6 qt/hr)
b. 11 qts + estimated consumption (0.6 qt/hr)
c. 9.5 qts + estimated consumption (0.5 qt/hr)

A

c. 9.5 qts + estimated consumption (0.5 qt/hr)

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11
Q

What is the minimum oil pressure at ground idle:

a. 13 psi
b. 10 psi
c. variable with oil temperature

A

a. 13 psi

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12
Q

What is the maximum N1:

a. 105%
b. 104%
c. 100%

A

b. 104%

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13
Q

What is the maximum N2:

a. 105%
b. 102%
c. 100%

A

a. 105%

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14
Q

What is the maximum N2 for starter engagement:

a. 0%
b. 25%
c. 20%

A

c. 20%

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15
Q

What is the maximum starter operating time: (4 consecutive cycles of)

a. 8 min. followed by 15 min. of no operation
b. 5 min. followed by 20 sec. of no operation
c. 2 min. followed by 20 sec. of no operation

A

c. 2 min. followed by 20 sec. of no operation

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16
Q

Starter cooling time requirements are:

a. 15 min. cooling time after 4 cycles of 2 min.
b. 5 min. cooling time after 4 cycles of 2 min.
c. 2 min. cooling time after 4 cycles of 8 min.

A

a. 15 min. cooling time after 4 cycles of 2 min.

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17
Q

The maximum reverse thrust may be used down to:

a. A/C stop according to EGT limit
b. 70 knots (idle reverse down to A/C stop)
c. 40 knots (idle reverse down to A/C stop)

A

b. 70 knots (idle reverse down to A/C stop)

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18
Q

What is the maximum allowable FLEX TEMP?

a. ISA + 29ºC
b. ISA + 53ºC
c. ISA + 46ºC

A

b. ISA + 53ºC

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19
Q

Reduced thrust is permitted:

a. if outside air temp. is higher than corrected temp.
b. on contaminated runway or with one (or more) reverser inop.
c. if corrected temp. is lower than Tmax FLEX (ISA + 53ºC)

A

c. if corrected temp. is lower than Tmax FLEX (ISA + 53ºC)

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20
Q

In manual thrust, in cruise, the pilot should limit the N1. What is the limit?

a. displayed MAX CLB N1, minus 2.4 %
b. displayed MAX CLB N1, minus 1.9 %
c. displayed MCT N1

A

b. displayed MAX CLB N1, minus 1.9 %

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21
Q

Is the MAX CRUISE N1 displayed on upper ECAM:

a. No
b. Yes

A

a. No

22
Q
At Toulouse (500 ft): Tref is 29ºC, outside air temp. is 36ºC and you found a corrected
 flex temp of 33ºC. Is it possible to use FLEX thrust for take-off?

a. Yes
b. No

A

b. No

23
Q

EGT indication becomes red on E/W display when EGT is higher than:

a. 855ºC
b. 890ºC
c. 950ºC

A

c. 950ºC

24
Q

What is the FADEC:

a. an engine control box
b. a thrust control unit controlling each engine.
c. is a digital engine control system that performs complete engine management.

A

c. is a digital engine control system that performs complete engine management.

25
Q

The FADEC system is:

a. always powered by AC electrical circuit
b. self powered
c. self powered above 12% N2 with AC power when N2 is below 12%

A

c. self powered above 12% N2 with AC power when N2 is below 12%

26
Q

What device provides direct closure of the HP shut-off valve?

a. the master switch at OFF position
b. the ECU
c. HMU

A

a. the master switch at OFF position

27
Q

Which valve ensures an adequate fuel flow:

a. the HP fuel SOV
b. the BSV (burner staging valve)
c. the fuel metering valve of the HMU

A

c. the fuel metering valve of the HMU

28
Q

Is the engine still supplied in case of fuel filter CLOG?

a. Yes, by using the fuel coming from the IDG cooling tank line
b. Yes, by by-passing the fuel filter (by-pass) valve)
c. No, the engine stops

A

b. Yes, by by-passing the fuel filter (by-pass) valve)

29
Q

Cranking may be manually selected by setting:

a. the MODE selector to CRANK and the Master Sw. to ON
b. with Master Sw. to OFF, the MODE selector to CRANK and MAN START pb to ON
c. same as b. with Master Sw. ON

A

b. with Master Sw. to OFF, the MODE selector to CRANK and MAN START pb to ON

30
Q

During an automatic starting sequence, the pack valves close when:

a. IGN/START is selected
b. APU bleed is selected to ON and IGN/START is selected
c. the Master Sw. is selected ON with IGN/START selected

A

a. IGN/START is selected

31
Q

During an automatic starting sequence:

a. start valve closes at N2>43%
b. start valve closes at N2>45%
c. start valve closes at N2>50%

A

c. start valve closes at N2>50%

32
Q

Maximum EGT during engine starts is:

a. 855ºC
b. 890ºC
c. 725ºC

A

c. 725ºC

33
Q

The FADEC automatically selects continuous ignition in the following cases:

a. Wing anti-ice ON or engine flame out.
b. ignition delay during start, flameout detected or EIU failure while engine running.
c. flame out detected, EIU failure while engine running or ENG anti-ice ON.

A

b. ignition delay during start, flameout detected or EIU failure while engine running.

34
Q

How is the oil cooled?

a. by the engine fuel/oil heat exchanger and the servo fuel heater
b. by oil recirculation
c. by the air/oil heat exchanger

A

a. by the engine fuel/oil heat exchanger and the servo fuel heater

35
Q

Oil pressure indicator becomes red when pressure is lower than:

a. 16 psi
b. 200 psi
c. 13 psi

A

c. 13 psi

36
Q

In A/THR Mode the thrust computed by the FMGC is limited:

a. by the ECU (with the TLA)
b. by the mode engaged on the FCU
c. by the FMGC itself

A

a. by the ECU (with the TLA)

37
Q

The thrust reverser activation condition are:

a. aircraft on the ground and thrust lever between reverse idle detent and max reverse
b. spoiler armed and thrust levers on the reverse sector
c. thrust levers in full reverse sector

A

a. aircraft on the ground and thrust lever between reverse idle detent and max reverse

38
Q

REV green appears on the N1 indicator when:

a. thrust levers are selected to full reverse sector
b. the reverse doors are fully deployed
c. the thrust lever position is in the idle reverse sector

A

b. the reverse doors are fully deployed

39
Q

Reverse deployment requires TLA – 3º, signal from the SEC’s. One reverse will be lost if:

a. SEC’s 1 + 2 are lost
b. SEC’s 1 + 3 are lost
c. a or b

A

c. a or b

40
Q

The low pressure rotor (N1) consist of:

a. a front Fan – 2 stage booster – 5 stage LP turbine
b. a front Fan (1 stage) – 4 stage booster – 4 stage LP turbine

A

b. a front Fan (1 stage) – 4 stage booster – 4 stage LP turbine

41
Q

A/THR can be engaged:

a. manually on ground (ENG. Running), automatically after take-off
b. in flight, manually or automatically if there is an alpha floor detection

c. automatically when pilot initiates a take-off or a go-around or if there is an alpha floor
detection after T/O and down to 100ft (RA) on landing

A

c. automatically when pilot initiates a take-off or a go-around or if there is an alpha floor
detection after T/O and down to 100ft (RA) on landing

42
Q

In flight, if the instinctive disconnect pb is pressed for more than 15 sec., the A/THR
including alpha floor is definitely lost:

a. Right
b. Wrong

A

a. Right

43
Q

At take-off, as soon as the power is set (FLEX or TOGA):

a. ATS function is engaged provided A/THR pb on FCU is pressed in
b. ATS function is active
c. ATS function is engaged but not active

A

c. ATS function is engaged but not active

44
Q

After a FLEX TO, you have an engine failure and you want to select MCT:

a. you have the throttle lever in FLEX/MCT: MCT selection is automatic

b. you set the throttle levers out of the FLEX/MCT detent (to TOGA or CLB detent) then back
to FLEX/MCT position

A

b. you set the throttle levers out of the FLEX/MCT detent (to TOGA or CLB detent) then back
to FLEX/MCT position

45
Q

Pressing the ENG. FIRE pb switch (on the ENG fire panel) causes the closure of:

a. fuel LP valve
b. fuel LP valve and HP valve (due to LP valve closure)
c. fuel HP valve

A

a. fuel LP valve

46
Q

ASYM amber message (FMA) means:

a. one thrust lever is set out of climb notch (both engines running)
b. asymmetric power is established due to FADEC malfunction
c. asymmetric power is established due to TLA resolver fault

A

a. one thrust lever is set out of climb notch (both engines running)

47
Q

MCT amber message (in the left part of the FMA) means:

a. throttles are not in MCT position after engine failure in flight
b. throttles are not in MCT position after engine failure when speed is > green dot (VFTO)

A

a. throttles are not in MCT position after engine failure in flight

48
Q

“LVR CLB” flashes white on FMA, if the throttles are not in CL position when:

a. the A/C is above the altitude of thrust reduction
b. the A/C is at lift-off
c. the landing gear is retracted

A

a. the A/C is above the altitude of thrust reduction

49
Q

The thrust limit is computed by:

a. the FMGC according to the AP/FD mode
b. the ECU according to the thrust lever position
c. the ECU according to the AP/FD mode
d. the FMGC according to the ECU order

A

b. the ECU according to the thrust lever position

50
Q

On ground the automatic start sequence is:

a. start valve and LP fuel valve opens, ignition starts when N2 > 16%, HP fuel valves open
when N2 > 22% when N2 > 50%, start valve closes and igniter off

b. start valve opens, ignition starts when N2 > 16% when N2 > 50% start valve closes and
igniter off

c. start valve and HP fuel open when N2 > 22%, start valve closes when N2 > 50%

d. start valve opens, ignition starts when N2 > 16% LP and HP fuel valves open when
N2 >22%. When Eng Mode Sel. set to NORM, start valve closes and igniter off

A

a. start valve and LP fuel valve opens, ignition starts when N2 > 16%, HP fuel valves open
when N2 > 22% when N2 > 50%, start valve closes and igniter off