第二章单元测试
- Which component on CFM56-3 engine produces the most thrust? ( )
- The aerodynamic station of 12 on CFM56-3 engine is ( ).
- Which bearing can hold the axially load of the N2 rotor? ( )
- What bearings on CFM56-3 engine are roller bearing? ( )
- The power source for driving fan and booster rotor is from ( ).
- The air used for CFM56-3 HPT blades cooling is ( ).
- How many fan blades does CFM56-7B engine have? ( )
- Which balancing screw for the rebalance of CFM56-3 engine is the lightest? ( )
- In the following accessory pads on CFM56-3 engine, which one need to use carbon seal? ( )
- How many stages of LPT does CFM56-3 engine have? ( )
A:Fan
B:Combustor
C:Exhaust nozzle
D:Turbine
答案:Fan
A:The primary air inlet
B:The engine inlet
C:The secondary air inlet
D:The inlet of booster
A:No.2 ball bearing
B:No.4 roller bearing
C:No.1 ball bearing
D:No.3 ball bearing
A:No.2, No.4 and No.5 bearings
B:No.2, No.3 and No.4 bearings
C:No.1, No.2 and No.3 bearings
D:No.3, No.4 and No.5 bearings
A:HPT
B:LPT
C:Air-driving gear box
D:CSD assembly
A:CDP air
B:HPC 5th air
C:Booster discharge air
D:HPC 4th air
A:18
B:36
C:38
D:24
A:P07
B:P01
C:P08
D:P06
A:Air starter and hydraulic pump
B:Control alternator and fuel pump
C:Lube unit and fuel pump
D:Lube unit and hydraulic pump
A:3
B:2
C:1
D:4
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