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HYDRAULIC SYSTEM Flashcards

1
Q
  1. Normal hydraulic power is provided by:
    a. Engine driven pumps for all systems
b. Engine driven pumps for green and yellow, ELEC pump for the blue, ELEC pump
 for yellow (ground operation only)

c. Electric pumps for blue and yellow, engine driven pumps for green
d. Engine driven pumps for green and blue electric pump for yellow

A 
b. Engine driven pumps for green and yellow, ELEC pump for the blue, ELEC pump
 for yellow (ground operation only)
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2
Q

The power transfer unit (PTU) is:

a. reversible between green and yellow
b. one way between green and yellow
c. reversible between all three systems
d. reversible between blue and yellow

A

a. reversible between green and yellow

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3
Q

In flight, if Blue ELEC pump fails, Blue system:

a. is lost
b. can be recovered by RAT
c. can be recovered by PTU
d. Both b and c

A

b. can be recovered by RAT

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4
Q

With both engines stopped, how is it possible to pressurize the Green system:

a. By the green engine pump
b. By the yellow engine pump and the PTU
c. By the yellow electric pump and the PTU

A

c. By the yellow electric pump and the PTU

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5
Q

The RAT is automatically extended in case of:

a. Blue pump failure
b. Blue pump delivery pressure dropping below 1750 psi
c. Loss of (ENG. and APU) main generators
d. Can only be deployed manually

A

c. Loss of (ENG. and APU) main generators

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6
Q

On ground the Blue system is pressurized when:

a. the APU is running
b. one engine is running
c. EXT power is available

A

b. one engine is running

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7
Q

Engine 2 energizes:

a. the blue system
b. the green system

c. the yellow system
pump and the green system via the PTU should the green system pump fail

A

c. the yellow system

pump and the green system via the PTU should the green system pump fail

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8
Q

The yellow system comprises:

a. one engine driven pump, one electric pump, one hand pump
b. one engine driven pump, two electric pump
c. one engine driven pump, one hand pump and the RAT

A

a. one engine driven pump, one electric pump, one hand pump

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9
Q

The PTU runs automatically when delta P between the green and yellow system
is more than 500 psi.

a. during green or yellow reservoir fluid low level
b. during green or yellow reservoir low air pressure
c. during green or yellow system low pressure

A

c. during green or yellow system low pressure

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10
Q

The priority valves operate in case of:

a. high hydraulic pressure in the green system
b. low hydraulic pressure
c. high hydraulic pressure in the green and yellow system

A

b. low hydraulic pressure

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11
Q

The fire shut off valves shut off:

a. the blue and yellow systems
b. the yellow and green systems
c. the green and blue systems

A

b. the yellow and green systems

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12
Q

In case of blue ELEC pump failure, when the RAT MAN ON pb (HYDRAULIC PANEL)
is pressed:

a. the blue hydraulic system is pressurized by the RAT
b. the EMER GEN is supplying electrical system
c. the blue hydraulic system is pressurized and the EMER GEN is running

A

a. the blue hydraulic system is pressurized by the RAT

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13
Q

The hydraulic reservoirs are pressurized:

a. from the pneumatic system
b. from the Packs 1 and 2
c. from the LH ENG or the pneumatic system

A

c. from the LH ENG or the pneumatic system

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14
Q

In flight the ENG 1 pump FAULT light illuminates amber in case of:

  • a reservoir low level
  • or a reservoir overheat
  • or reservoir low air press
  • or a pump low pressure

a. Yes
b. No

A

a. Yes

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15
Q

If on ground with ENG 1 stopped; does the ENG 1 pump FAULT light illuminate amber
due to Green pump low pressure?

a. Yes
b. No

A

b. No

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16
Q

In case of reservoir overheat, the FAULT light of the faulty system stays on:

a. for 30 seconds
b. continuously
c. as long as the overheat is detected

A

c. as long as the overheat is detected

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17
Q

On ground and before engine start, with Blue pump pb in AUTO and AC power available,
the Blue pump is:

a. automatically energized
b. energized when the Blue pump OVRD pb in the overhead maintenance panel is pressed

A

b. energized when the Blue pump OVRD pb in the overhead maintenance panel is pressed

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18
Q

The Blue system includes operation of:

a. the flaps
b. the slats
c. the flats and the slats

A

b. the slats

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19
Q

The RAT, when extended in flight, pressurizes:

a. the green system

b. the yellow system
and the green system via the PTU

c. the blue system

A

c. the blue system

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20
Q

The Yellow system includes operation of:

a. the left and right elevator
b. the left elevator only
c. the right elevator only

A

c. the right elevator only

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21
Q

The Yellow system may be powered by:

a. ENG 1 hydraulic pump
b. ENG 2 hydraulic pump or the Yellow electric pump or the PTU
c. ENG 2 hydraulic pump, the Yellow electric pump and the RAT

A

b. ENG 2 hydraulic pump or the Yellow electric pump or the PTU

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22
Q

The Yellow system includes operation of:

a. the flaps
b. the flaps and slats
c. the slats

A

a. the flaps

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23
Q

During the first engine start the PTU is

a. automatically running
b. tested
c. inhibited

A

c. inhibited

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24
Q

The RAT can be restowed:

a. in flight
b. on ground only
c. on ground and in flight

A

b. on ground only

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25
Q

In flight the RAT is extended:

a. manually only
b. manually or automatically
c. automatically only

A

b. manually or automatically

26
Q

In flight when the RAT is automatically extended:

a. the Blue hydraulic system is pressurized but the EMER GEN is not running
b. the Green hydraulic system is pressurized and the EMER GEN runs
c. the Blue hydraulic system is pressurized and the EMER GEN runs

A

c. the Blue hydraulic system is pressurized and the EMER GEN runs

27
Q

Is it possible to interchange hydraulic fluid from Green to Yellow or Yellow to Green
system:

a. No
b. Yes, thru the PTU
c. Yes, in case of leakage

28
Q

The hydraulic fire shut off valve closes when:

a. the master switch is set to OFF
b. the Fire pb is released out
c. automatically if the fire is detected

A

b. the Fire pb is released out

29
Q

If the Green system is lost, slats operation is:

a. normal
b. slow
c. lost

30
Q

If the Green system is lost, flap operation is:

a. slow
b. normal
c. lost

31
Q

The Green system operates:

a. spoilers 3
b. spoilers 2 and 4
c. spoilers 1 and 5

A

c. spoilers 1 and 5

32
Q

The Green system operates:

a. the right elevator
b. the left elevator
c. both

A

b. the left elevator

33
Q

The Green system operates:

a. the left aileron
b. the right aileron
c. both

34
Q

The Green system operates:

a. the Reverser 1
b. the Reverser 2
c. both

A

a. the Reverser 1

35
Q

The Yellow system operates:

a. the Reverser 1
b. the Reverser 2
c. both

A

b. the Reverser 2

36
Q

On ground, Blue ELEC pump pb at AUTO, the circuit is energized if:

a. one battery is on AUTO
b. Ground electrical power is ON

c. one engine is running or Blue pump OVRD pb on the overhead maintenance panel
has been pressed

A

c. one engine is running or Blue pump OVRD pb on the overhead maintenance panel
has been pressed

37
Q

If Blue system is lost, the flaps are:

a. normal
b. slow
c. lost

38
Q

The Blue system operates:

a. spoilers 2 and 4
b. spoilers 3
c. spoilers 1 and 5

A

b. spoilers 3

39
Q

The RAT can be extended:

a. automatically in case of loss of power to AC Bus 1 and AC Bus2
b. manually from the overhead panel
c. both

40
Q

The Blue system operates:

a. the left aileron
b. the right aileron
c. both

41
Q

Can you operate a cargo door when no electrical power is available:

a. Yes, via a hand pump
b. No, no hand pump

A

a. Yes, via a hand pump

42
Q

Yellow ELEC pump pb switch OFF and cargo door manual selector valve set at open or
close position, the PTU and the flight controls are:

a. operative
b. inhibited

A

b. inhibited

43
Q

If Yellow system is lost, the slats are:

a. normal
b. slow
c. lost

44
Q

If Yellow system is lost, the flaps are:

a. normal
b. slow
c. lost

45
Q

The ENG 2 fire valve is between the yellow reservoir and:

a. the ENG 2 hydraulic pump
b. the Yellow electric pump
c. the Yellow hand pump

A

a. the ENG 2 hydraulic pump

46
Q

The Yellow system operates:

a. the spoiler 3
b. the spoilers 2 and 4
c. the spoilers 1 and 5

A

b. the spoilers 2 and 4

47
Q

In case of single hydraulic system low press:

a. the Master Warning light illuminates
b. the Master Caution light illuminates and the single chime sounds
c. there is no warning

A

b. the Master Caution light illuminates and the single chime sounds

48
Q

In case of RSVR low air pressure, the hydraulic system affected is:

a. definitely lost
b. may be recovered after descending to a lower altitude

A

b. may be recovered after descending to a lower altitude

49
Q

With a single hydraulic system failure the flight control law is:

a. normal
b. alternate
c. direct

50
Q

With Green hydraulic system lost:

a. the landing gear extension is normal
b. the landing gear retraction is normal
c. the landing gear must be extended by gravity

A

c. the landing gear must be extended by gravity

51
Q

With Green hydraulic system lost:

a. the NWS is lost
b. the NWS is operative
c. the NWS operates in alternate

A

b. the NWS is operative

52
Q

With Green hydraulic system lost, the braking system is:

a. normal
b. alternate
c. lost

A

b. alternate

53
Q

With Green hydraulic system is lost, the anti skid is:

a. lost
b. limited to 2000 psi brake pressure
c. operative on the Yellow hydraulic system

A

c. operative on the Yellow hydraulic system

54
Q

PTU at AUTO, the PTU automatically runs:

a. if the blue hydraulic system is lost
b. when differential pressure between Green and Yellow is more than 500 psi
c. as soon as a differential pressure between Green and Yellow system is detected

A

b. when differential pressure between Green and Yellow is more than 500 psi

55
Q

PTU running, the pressure delivered by the PTU is:

a. stable at 3000 psi
b. fluctuating between 2500 and 3000 psi

A

a. stable at 3000 psi

56
Q

Hydraulic Green system only remaining the AP function is:

a. available with AP 1
b. lost
c. available with AP 2

57
Q

Hydraulic Green system only remaining, the horizontal stabilizer is:

a. available
b. lost

A

a. available

58
Q

With Green and Yellow hydraulic systems lost, manual pitch trim is:

a. available
b. lost

59
Q

Hydraulic Green system only remaining, the auto brake is:

a. lost
b. available
c. alternate

A

b. available

60
Q

With hydraulic Blue system only remaining:

a. the braking system is lost
b. seven full brake applications are available via accumulator
c. the antiskid is still available

A

b. seven full brake applications are available via accumulator

61
Q

In flight, the Blue hydraulic system can be supplied by:

a. the RAT and the electrical pump
b. the engine driven pump
c. the PTU (power transfer unit)
d. It cannot be supplied

A

a. the RAT and the electrical pump

TKE-P (17 decks)

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