ECU根据4种引气模式来控制IGV,这4种引气模式是()
A. EINGE 1、ENGINE 2、BOTH、APU BLEED
B. Inflight、Duct pressurization、Main engine start、Air conditioning system (ACS)
C. No bleed、Duct pressurization、Main engine start、ACS
D. Inflight、Ground、HIGH、LOW
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哪个灯不是APU保护性停车的原因指示灯()
A. 故障灯(fault)
B. 超速灯(overspeed)
C. 维护灯(maintenance)
D. 低滑油压力灯(low oil pressure)
APU转速达到95%,发出RTL信号,则驾驶舱内()
A. “APU GEN OFF BUS”灯ON
B. “APU GEN OFF BUS”灯OFF
C. “APU READY TO LOAD”灯ON
D. “APU READY TO LOAD”灯OFF
提供备用高度表/空速指示器的电源是()
A. 28V DC STBY BUS
B. 28V DC BUS 1
C. 28V DC BUS 2
D. 115V AV STBY BUS