[单选题] 当RAM AIR按钮在ON位，在使用自动控制操纵且压差低于1psi(PSI)时排气活门开到:
A.100%
B.80%
C.50%

更多"[单选题] 当RAM AIR按钮在ON位，在使用自动控制操纵且压差低于"的相关试题:

[单选题]当RAM AIR按钮在ON位，在使用自动控制操纵且压差低于1psi(PSI)时排气活门开到:
A.100%
B.80%
C.50%

[单选题]When does ram air turbine deploy automatically?
A. When AC BUS 1 and AC BUS 2 are both lost and the speed is greater than 100kt
B. When blue pump does not work
C. When blue system is under low pressure (lower than 1750psi)

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[单选题]Minimum ram air turbine speed is:
A. 140kt
B. 170kt
C. 195kt

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[单选题]The ram air inlet only open if differential pressure is lower than ____
A. 0.8psi
B. 1 psi
C. 1.1psi

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[单选题]During takeoff and landing, the ram air inlet flaps close to:
A. avoid foreign matter
B. make ventilation in close-circuit.
C. regulate differential pressure to zero.

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[单选题]In flight, when ram air turbine deploys automatically:
A. Blue system is pressurized but emergency engine does not work
B. Green system is pressurized and emergency engine works
C. Blue system is pressurized and emergency engine works

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[单选题]When RAM AIR is at ON position, when use automatic control operation and differential pressure is lower than 1 psi, the outflow valve is to
A.100%
B.80%
C.50%

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[单选题]如果APU活门打开，则交叉供气活门:
A.打开
B.关闭

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[单选题]当发动机启动好后,APU引气活门关闭，发动机引气活门打开
A.正确
B.不正确

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[单选题] 当发动机防冰活门打开时：
A. 相应发动机的N2下降
B. N2增加，发动机EPR极限自动减小
C. 发动机压力比或N2无变化

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[单选题]橡皮艇最高气压为船身（）psi和船舷（）psi。
A.3.5、4.5
B.3.5、5.5
C.4.5、4.5
D.4.5、5.5

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[单选题] 什么时候蒙皮热交换器进气旁通活门打开？
A. 在开环路形态
B. 在闭环路或半开环路形态，且空气流量高于所要求值时
C. 当电子舱外部温度在35摄氏度（95华氏度）以上时

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[填空题]3305矿车制动系统压力为 PSI，当气压低于 PSI时低压报警灯亮。