【单选题】
BMC在什么时候会控制PRV自动关闭？___
A. FAV打开时
B. 上游压力不足以打开PRV时
C. 起动相应的发动机时
D. 巡航时
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答案
C
解析
暂无解析
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为什么要进行中压和高压的转换？___
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安装THc的目的是什么？___
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B. 输出电信号给HPV用于IP和HP的转换
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D. 输出电信号用于HPV的调节和关断
【单选题】
当高压引气和中压引气转换失效后，高压引气压力达到185PSI以后，系统会怎样工作？___
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【单选题】
OPV的作用是什么？___
A. 当PRV失效后，压力达到40PSI时关闭，保护下游管路
B. 当PRV失效后，压力达到40PSI时关闭，保护上游管路
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【单选题】
Thc控制风扇活门工作，调节引气的温度是150摄氏度的条件是：___
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【单选题】
系统工作正常的情况下，接通APU的引气，下面正确的是：___
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【单选题】
不是Pr传感器的作用的是哪一项：___
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【单选题】
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【单选题】
不是Pr传感器的作用的是哪一项:___
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【单选题】
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饮用水箱的水量显示在哪里？___
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