【单选题】
APU低压隔离valve带有几个马达，由什么作动（）___
A. 1个，电控作动
B. 1个，液压作动
C. 2个，电控作动
D. 2个，液压作动
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答案
C
解析
暂无解析
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APU在引气，此时在APU主电门松开（OFF位）的瞬间，下列哪个是错误的（）___
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B. LCV保持打开
C. SCV打开
D. 开始APU停车循环
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APU在运转，而且APU引气工作，如果APU主电门松开（OFF位），则（）___
A. APU经过一个冷却停车循环后停车
B. APU立即停车
C. APU在低压燃油关断valve关闭后停车
D. 以上都不正确
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APU转速在95%时，“start”电门绿色“AVAIL”灯亮，表明（）___
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APU转速在95%时，“start”电门上绿色“AVAIL”灯亮，此时（）___
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【单选题】
ECB会控制（）___
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B. 燃油计量valve和压力调节器
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【单选题】
关于ECAM上APU燃油低压信息“FUELLOPR”的说法正确的是（）___
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【单选题】
如APU在正常工作的情况下，出现因熄火掉到95%以下，此时（）___
A. ECB会恢复点火，直到转速恢复到95%
B. ECB会恢复点火，直到转速恢复到100%
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在地面，如果空气进气门失效，怎么打开和关闭它（）___
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D. 空气进气门作动筒只能电动作动
【单选题】
正常APU起动程序中，APU主电门按进后，什么时候按压“start”电门（）___
A. 主电门上蓝色“ON”出现后
B. 可以马上按压“start”电门
C. 在APU进气门打开之后
D. 30秒之后
【单选题】
正常情况下，当APU的齿轮箱上的滑油液面视窗观察到滑油处于“ADD”位时，说明（）___
A. 油箱中已无滑油，需立即加油
B. 滑油量仅够飞行一个航班
C. 滑油量至少够APU运转60小时
D. 滑油量至少够APU运转120小时
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