【单选题】
每台发动机有几个N1速度传感器___
A. 1
B. 2
C. 3
D. 4
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答案
A
解析
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【单选题】
PW4170发动机4170发动机的N2指示信息由谁提供？___
A. 1个N2转速传感器
B. 2个N2转速传感器
C. 1个双探头的N2转速传感器
D. EEC专用发电机（PMA）
【单选题】
下列关于PW4170发动机叙述不正确的是：___
A. EEC控制起动机空气关断活门
B. EEC控制反推系统中的TLS锁
C. 自动推力时，油门杆不随动
D. 起动活门状态只在发动机起动时显示在ECAM上
【单选题】
下列关于PW4170发动机叙述不正确的是：___
A. 发动机78%的推力由风扇外涵道产生
B. 发动机包括6级低压压气机（不含风扇）
C. 发动机进气道安装在风扇机匣前安装边上
D. 发动机风扇由36块宽弦叶片组成
【单选题】
下列关于PW4170发动机叙述不正确的是：___
A. 低压转子由1#、2#、4#主轴承支撑
B. 高压转子由2#、3#主轴承支撑
C. 起动机安装边在主附件齿轮箱后端面
D. 主附件齿轮箱上有两个液压泵安装边
【单选题】
下列关于PW4170发动机燃油系统叙述不正确的是：___
A. 燃油系统包括一级离心式增压泵
B. 燃油经过高压泵后，进入IDG燃滑油热交换器
C. 燃油滤旁通活门的打开压力是14PSI
D. 燃油滤堵塞时，ECAM上有警告信息
【单选题】
下列关于PW4170发动机燃油系统叙述正确的是：___
A. 燃油分配活门将燃油送入24个燃油总管
B. 燃油分配活门关闭时，还有6个燃油总管充满燃油
C. 燃油系统有24个燃油喷嘴
D. 燃油流量传感器安装在低压燃油泵上游
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