【单选题】
(B737ng)气源压力传感器装在：___
A. 空调前
B. 空调后
C. 空调两侧
D. 空调两侧
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相关试题
【单选题】
(B737ng)490F过热电门的作用是：___
A. 当发动机引气温度超过490F时，调节PRSOV向逐渐关的位置
B. 当发动机引气温度超过490F时，调节预冷器活门到完全打开位置
C. 当发动机引气温度超过490F时，关断发动机引气，同时点亮BLEED TRIP OFF灯
D. 当发动机引气温度超过490F时，关断HPSOV的引气
【单选题】
(B737ng)高压级活门的作用是：___
A. 控制5级引气提供到飞机的发动机引气系统中去
B. 控制飞机发动机引气的温度和压力
C. 控制9级引气提供到飞机的发动机引气系统中去
D. 防止9级引气反流到5级引气中去
【单选题】
(B737ng)当APU引气活门打开时,下列哪种情况下"DUAL BLEED"(双引气) 灯点亮?：___
A. 左发引气电门在“OFF”位
B. 右发引气电门在“ON”位
C. 隔离活门在“OPEN”位
D. 左发电门在“ON”位
【单选题】
(B737ng)当引气隔离活门电门选择在自动位时，该活门在以下什么时候开：___
A. 左空调组件电门在开位，右空调组件电门也在开位时
B. 左空调组件电门在开位，左发动机引气电门也在开位时
C. 右空调组件电门在开位，左发动机引气电门在开位时
D. 左空调组件电门在开位，右发动机引气电门在关位时
【单选题】
(B737ng)当引气隔离活门电门选择在自动位时，该活门在以下什么时候开：___
A. 左空调组件电门在开位，右发动机引气电门在关位时
B. 左空调组件电门在开位，右空调组件电门也在开位时
C. 左空调组件电门在开位，左发动机引气电门也在开位时
D. 右空调组件电门在开位，左发动机引气电门在开位时
【单选题】
(B737ng)地面机翼防冰活门装在？防冰打开时，预冷器控制活门会？___
A. 翼根；开大一点
B. 吊架：开小一点
C. 发动机右侧；开大一点
D. 发动机左侧；开大一点
【单选题】
(B737ng)发动机引气“BLEED TRIP OFF”灯亮,当：___
A. 气源系统过压电门感受压力大于220psi（或180psi）或者超温电门感受温度大于490F
B. 气源系统过压，过压电门感受压力大于220psi
C. 气源系统超温，超温电门感受温度大于450F
D. 气源系统压力大于170psi或者超温电门感受温度要大于490F
【单选题】
(B737ng)发动机在起动过程中，PRSOV___
A. A. 由关闭位朝打开位移动
B. B. 处于打开与关闭之间的某一位置
C. C. 处于关闭位置
D. D. 由打开位置关闭位移动
【单选题】
(B737ng)飞机在空中，发动机引气电门在“ON”位、空调组件电门在“AUTO”位、隔离活门在“AUTO”位，如果左发引气活门因过热关闭，则隔离活门处于___
A. OPEN
B. CLOSE
C. 不确定
D. 转换中
【单选题】
(B737ng)和737-3/4/500的自动流量控制活门相比，737NG的设备冷却系统外部排气活门工作原理有何不同___
A. 完全一样，没有不同
B. 737NG的排气活门是电动的
C. 737-3/4/5的自动流量控制活门是电动的
D. 737NG的排气活门是气动的
【单选题】
(B737ng)下列哪个说法是不正确的：___
A. A. 出现反流时，PRSOV（压力调节与关断活门）会关断
B. B. 当五级供气时，PRSOV能够输出
C. C. 当九级和五级引气时，PRSOV能够输出
D. D. 由九级引气时，PRSOV能够输出
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