HYDRAULICS Flashcards

1
Q

How many hydraulic systems?

A

3

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2
Q

Which are the hydraulic systems?

A

A B C

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3
Q

Which are the primary hydraulic systems?

A

A and B

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4
Q

How many engine driver hydraulic pumps are associated with A HYD system?

A

2

One from engine 1 and One from engine 3

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5
Q

What is nominal hydraulic pressure?

A

3000 psi

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6
Q

How many engine driven HYD Pumps are associated with the B HYD system?

A

2

One from engine 2 and One from engine 3

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7
Q

How many engine driven HYD Pumps are associated with the C HYD system?

A

1

One from engine number 2

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8
Q

How many engine driven hydraulic pumps are there on engine 1?

A

1

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9
Q

How many engine driven hydraulic pumps are there on engine 2?

A

2

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10
Q

How many engine driven hydraulic pumps are there on engine 3?

A

2

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11
Q

Does parking brake have its own accumulator?

A

Yes

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12
Q

Parking brake accumulator is pressurized by which hydraulic system?

A

B system

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13
Q

Which is the only electric hydraulic pump in the airplane that we can control?

A

Backup Hydraulic Pump

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14
Q

Which HYD system is the Backup Hydraulic Pump associated with?

A

B system

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15
Q

What is the limitation for the Backup Hydraulic Pump?

A

No continuous operation above 15000 feet

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16
Q

When does the Backup Hyd pump come on automatically?

A

When you loose both A & B system pressure

17
Q

When does the EBHA come on automatically?

A

When you loose C HYD system

18
Q

Which is the only flight controls the EBHA will power?

A

Spoilers