Hydraulic Flashcards

1
Q

Qual é a pressão normal dos sistemas hidráulicos ?

A

3000 PSI

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2
Q

Quando a pressão do hidráulico baixará para 2500psi?

A

Quando lugar a RAT

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3
Q

Quantas bombas existem no sistema hidráulico ?

A

Duas

Uma pro yellow e outra pro green

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4
Q

Pra que serve a PTU?

A

Power transfer unit garante um G or Y sistema pressurizar o outro G or Y em caso de falha

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5
Q

O systems y possui uma hand pump para que serve ?

A

Bomba manual e serve para operar o cargo door

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6
Q

Quais sistemas possuem bomba elétrica ?

A

Blue e yellow

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7
Q

Como é pressurizado o green?

A

Pelo motor 1

Que liga a eng 1 pump

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8
Q

Como é pressurizado o blue ?

A

Bomba elétrica e em emergências pela RAT

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9
Q

Quando a ray abrirá ?

A

Falta de AC power

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10
Q

Como é pressurizado o yellow ?

A

Bomba da eng 2 após o motor 2 ligado
Shutoff valve open
Bomba elétrica
Hand pump (ground service panel - cargo door sem eletricidade disponível )

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11
Q

Quando o PTU e ativado ?

A

Pressao diferencial entre o G e Y for maior que 500 PSI

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12
Q

What is the purpose of PTU

A

To allow the yellow sys to pressurize green or vice versa

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13
Q

Is there ever a condition that allows hydraulic fluid to migrate from one system to abort her system?

A

No

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14
Q

What disruption will cause the Rat to automatically deploy ?

A

Total loss of electrical power or dual engine failure

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15
Q

Quando aparecerá a FAULt nas eng pump no overhead panel HYD ?

A

Reservoir low level
Reservoir overheat
Reservoir pressure low
Pump pressure is low

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16
Q

PTU fault

A

G or y low / overheat

17
Q

Capacidade max do reservoir pra cada sys?

A

G 12,5
B 6.5
Y 14.5

18
Q

Quando a fire valve e fechada?

A

Eng fire Pb

19
Q

A partir de quantos psi a pressão do sistema hidráulico ficará verde ?

A

Acima de 1450psi

20
Q

The amber fault kt in which of Pb will illuminate of the reservoir level in the geeen or yellow system is low ?

A

PTU

21
Q

Under which of the following conditions will the blue elec pump not operate ?

A

Selected on but no engines running on the ground

22
Q

The normal position of the yellow elec pump Pb fo flight is

A

OFF