第五章单元测试
- How many VSV actuators does CFM56-3 have? ( )
- What’s the feedback equipment of VSV and VBV’s position to the MEC of CFM56-3 engine? ( )
- When CFM56-3 engine is starting or at idle speed condition, the VBV doors is ( ).
- The VBV system of CFM56-3 engine is operated by ( ).
- When the CFM56-3 engine is running at CRUISE, where is the cooling air for the HPTCC from? ( )
A:20
B:10
C:2
D:1
答案:2
A:LVDT and electrical cable
B:RVDT and electrical cable
C:Resolver and flexible cable
D:Arm, lever and flexible shaft
A:opened
B:at any positon
C:half opened
D:closed
A:the oil scavenge pump
B:the fuel gear motor
C:two fuel actuators
D:the hydraulic pump
A:9th HPC
B:CBP
C:5th HPC
D:5th + 9th HPC
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