70-ENG Flashcards

1
Q

L’approach idle est pris sur les volets ?

A

2

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2
Q

A forte poussée, les VSV sont ouvertes ou fermées ?

A

ouvertes

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3
Q

A forte poussée, les VBV sont ouvertes ou fermées ?

A

fermées

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4
Q

L’huile est elle uniquement refroidi par des fuel exchangers?

A

Non. Fuel from the HMU and air from the fan @low fuel flows.

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5
Q

Combien de piquages sur CF6?

A

3:
8th et 14th pour la bleed valve,
11th pour l EAI.
Plus des prélèvements fan air pour l IDG oil cooling, le pré refroidissement bleed air, les contrôles de jeux etc

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6
Q

VSV et VBV sont actuated by?

A

Fuel

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7
Q

Les turbine control clearances valves sont actuated by ?

A

Fuel. Mais elles modulent un débit de fan air

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8
Q

Les contrôle de jeu turbine sont assurés par de ?

A

L’air (fan). Les valves associées étant actuated by HMU fuel

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9
Q

EGT max at start ?

A

750 on ground (975 in flight)

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10
Q

EGT max at takeoff ?

A

975 (940 at MCT rating)

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11
Q

Max oil temp?

A

160 (175 transient)

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12
Q

Min oil press?

A

10 (on CRZ, monitor if below 30 ; common value = 50psi)

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13
Q

max N2 for starter re engagement?

A

30pc

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