性能趋势监控采集发动机（）参数
A: A、转子转速N
B: B、燃油流量FUEL FLOW
C: C、燃油温度FUEL TEMPERATURE
D: D、转子振动值VIB
A: A、转子转速N
B: B、燃油流量FUEL FLOW
C: C、燃油温度FUEL TEMPERATURE
D: D、转子振动值VIB
举一反三
- 在发动机状态监视中，表明涡扇发动机推力大小的参数常用（）. A: 压气机增压比或涡轮前燃气总温 B: 发动机压力比或低压转子转速 C: 燃油流量或高压转子转速 D: 滑油压力或发动机压力比
- 这个问题来源于燃油系统。 A: The source of the problem is in the fuel system. B: The beginning of the problem is in the fuel system. C: The origin of the problem is in the fuel system. D: The problem originates from the fuel system.
- 在燃油系统上做维护 A: Do the maintenance on the fuel system. B: Maintain the fuel system.
- 转子不平衡引起的发动机振动，其主要特征是（ ） A: 振动频率与转速相等 B: 振动频率为转子转速的0.5倍 C: 振动频率为转子转速的两倍 D: 振动频率为转子转速的三倍
- What’s the main purpose of the servo fuel heater on CFM56-3 engine? ( ) A: To decrease the supply oil temperature B: To increase the servo fuel temperature C: To decrease the scavenge oil temperature D: To increase the combustion fuel temperature