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-x-A320 notes-x- > Hydraulics > Flashcards

Hydraulics Flashcards

1
Q

What electrical problem forces RAT to deploy? Why?

A

AC BUS 1 and 2 fail. RAT needed to energise emergency generator

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2
Q

Which hydraulic systems use the PTU?

A

Green and Yellow

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3
Q

Which hydraulic system used for slats and flaps?

A

Green

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4
Q

What CAT downgrade would you expect from single hydraulic failure?

A

CAT 3 SINGLE

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5
Q

What law will aircraft be in after green hydraulic failure? How about blue? And yellow?

A

All cases normal law

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6
Q

When does the PTU operate?

A

When differential pressure in the green and yellow systems is greater than 500psi

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7
Q

What CAT would you expect from a dual hydraulic failure?

A

Cat 1

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8
Q

PTU requires integrity in receiving system, so ECAM directs PTU off in event of what?

A

Reservoir overheat
Reservoir low air pressure
Reservoir low fluid level

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9
Q

Which hydraulic system used for cargo doors?

A

Yellow

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10
Q

When does system logic inhibit PTU use?

A

During first engine start
If single engine taxi and park brake on
During cargo door operation + 40 seconds

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11
Q

What automatics available in single hydraulic failure?

A

All available

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12
Q

Which hydraulic failure leads to stopping problems?

A

G+Y (Y accumulator only, so 7 applications, no NWS)

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13
Q

Which hydraulic system used for engine reverser 1 and 2?

A

Reverser 1 is green, reverser 2 is yellow

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14
Q

Which dual hydraulic failure is least detrimental?

A

B+Y

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15
Q

Which hydraulic system used for landing gear?

A

Green

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16
Q

Which hydraulic system used for emergency generator?

A

Blue

17
Q

What pressure is hydraulic system?

A

3000psi

18
Q

What airspeed does RAT need?

A

140kts

19
Q

Which hydraulic system used for alternate brakes?

A

Yellow

20
Q

Which hydraulic system used for NWS?

A

Yellow

21
Q

What is a good thing to look at in dual hydraulic failure?

A

QRH summary pages

22
Q

Which hydraulic failure leads to controllability problems?

A

G+B (only 2 roll spoilers and one elevator)

23
Q

Which hydraulic system used for slats only?

A

Blue

24
Q

What hydraulic failure causes loss of normal brakes?

A

Green

25
Q

Which hydraulic system used for normal brakes?

A

Green

26
Q

What pressure does RAT pressurise blue system to?

A

2500psi

27
Q

Which hydraulic system used for flaps only?

A

Yellow

-x-A320 notes-x- (68 decks)

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