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Verklegt > Type rating 757 - hydraulics > Flashcards

Type rating 757 - hydraulics Flashcards

1
Q

The Left and Right hydraulic systems are each powered by one ____ pump and one electric pump. The Centre hydraulic system is powered by two ____ pumps

A

engine, electric

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2
Q

If required, a Ram Air Turbine (RAT) can provide power to the flight controls portion of the ____ hydraulic system.

A

centre

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3
Q

Hvernig er hydraulic kerfið kælt?

A

Það eru heat exchangers í fuel tanks. Eldsneytið kælir vökvann. Það eru 3 heat exchangers í wing fuel tanks.

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4
Q

A Hydraulic Driven Generator is installed on some airplanes. It can be powered by either the Left Hydraulic System or the Right Hydraulic System through the ___ ___ ___

A

Power Transfer Unit (PTU).

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5
Q

Hvaða hydraulic kerfi keyrir þetta?
Flight Controls
Flaps and Slats
Landing Gear
Alternate Brakes
Nose Wheel Steering
Left Engine Thrust Reverser
Hydraulic Driven Generator

A

vinstra kerfið

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6
Q

The RSVR light illuminates and the EICAS advisory message L HYD QTY displays when the reservoir quantity is low (quantity < ___).

A

0.5
Þú færð fyrst áminningu bara með “RF” (refill) ljósi í EICAS, en svo þegar þú ert kominn í 0.5 þá kviknar á RSVR ljósinu.

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7
Q

The primary hydraulic system pump is an ____-driven pump.

A

engine

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8
Q

The pump PRESS light illuminates and the EICAS advisory message L HYD ELEC PUMP displays when what ?

A

when the pump output pressure is low.

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9
Q

The Hydraulic Driven Generator is automatically powered by the Right/Left hydraulic system engine driven pump when electrical power is lost from both main AC/DC buses.

A

Left, AC

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10
Q

The centre hydraulic system powers only the…

A

flight controls

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11
Q

The centre hydrauilic system consists of a reservoir, two electric motor-driven pump and a __________ pump.

A

Ram Air Turbine (RAT)

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12
Q

The reservoir has a stand pipe to maintain reserve hydraulic fluid for use by the Ram Air Turbine in the event of a centre system hydraulic Leak. With fluid level at the top of the standpipe, quantity is approximately ____.

A

0.15

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13
Q

Hvað myndir “C HYD ELEC 1” þýða?

A

Center electric hydraulic pump nr 1 er með lágt output pressure.

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14
Q

The SYS PRESS light illuminates and the EICAS caution message C HYD SYS PRESS displays when the hydraulic system pressure is low/high?

A

low

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15
Q

Hydraulic system pressure displays on the EICAS status page. When both electric motor-driven pumps are inoperative, the EICAS status page displays the ___ ____ ____ output pressure.

A

Ram Air Turbine

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16
Q

Hvaða hydraulic kerfi sér um þetta?
Flight Controls
Normal Brakes
Reserve Brakes
Right Engine Thrust Reverser
Power Transfer Unit

A

Hægra

17
Q

Hvað er hægra hydraulic systemið basicly að powera?

A

bremsur, right engine thrust reversers og PTU

18
Q

Er center hydraulic system með engine driven pump?

A

Nei, bara two electric motor driven pumps (og RAT)

19
Q

Vinstra hydraulic kerfið og center kerfið er með einni fleiri pumpu (mismunandi pumpur þó). Hverjar eru þessar pumpur og hvaða kerfi hefur þær?

A

PTU pump vinstra megin
RAT pump í center kerfi

20
Q

Fluid for the engine pump í right hydraulic system, flows through a shut off valve controlled by the Right Engine ___ Switch

A

Fire

21
Q

Reserve brakes system; Pushing the ____ ____ Switch configures the hydraulic system to use the reservoir’s reserve fluid, activates the electric motor-driven pump regardless of the pump switch position and isolates the pump output power to only the Normal Brakes.

A

Reserve brakes

22
Q

The C2 electric motor-driven pump is inhibited (load-shed) if both are switched ___ but only one bus is powered.

A

ON

23
Q

The PTU is automatically activated if:
The Left Engine fails (N3 < __% rpm) or
The Left Engine pump pressure is low (< 1275 psi

A

45

24
Q

When activated, the PTU supplements the Left hydraulic system electric motor-driven pump to operate the following:
Flaps/Slats
____ _____
Nose Wheel Steering
As installed - Hydraulic Driven Generator

A

Landing Gear

25
Q

____ operation is inhibited if the right engine is not operating (N3 < 45% rpm).

A

PTU

26
Q

The Power Transfer Unit (PTU) is a hydraulic motor pump which transfers hydraulic power from the ____ system to the ____ system.

A

right, left

27
Q

When the engine-driven and electric motor-driven pumps are inoperative, the EICAS status page displays the ___ output pressure.

A

PTU

28
Q

The PTU can be operated by moving the PTU Manual Control Switch on the ___ side panel to the ON position.

A

right

29
Q

Hvar er RAT pumpan staðsett?

A

Fyrir aftan landing gear hægra megin

30
Q

When deployed, The RAT provides hydraulic power to the flight controls portion of the ____ Hydraulic System

A

centre

31
Q

The RAT provides adequate hydraulic power at speeds above ___ knots

A

130

32
Q

RAT fer í gang ef báðar vélar klikka (N3 undir 45% RPM) og þú ert yfir ___ kts hraður.

A

80

33
Q

Powered by the ___ ____ Bus, the Ram Air Turbine switch is live at all times.

A

hot battery

34
Q

Hver er munurinn á L HYD ELECT OVHT og L HYD ENG OVHT message?

A

Fyrra er electrical pump og hitt er engine driven pump

Verklegt (42 decks)

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