网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
ENG VALVE CLOSED指哪个活门（）
- A、HMV
- B、PRSOV
- C、HPSOV
- D、spar valve
参考答案
更多 “ENG VALVE CLOSED指哪个活门（）A、HMVB、PRSOVC、HPSOVD、spar valve” 相关考题
考题
To ensure proper seating when closing a valve on a tank，the valve should be ______．A.Set up as tight as possible by handB.Set up tight using a valve wrenchC.Closed，opened a half turn，and then closedD.Closed against the stop and the locking pin inserted
考题
以下哪种条件导致引气/增压面板上的左隔离活门电门CLOSED（关闭）显示（）。A、任何时间下左隔离活门在关闭位置里B、只是当隔离活门用电门选择关闭时C、当ASCPC指令活门关闭，但活门保持打开位置时D、当活门因为不正常状态而处于关闭位置时
考题
对于FMU内部的PRSOV和DUMP VALVE工作的关系是（）。A、两个活门同时开B、两个活门同时关闭C、两个活门的工作各自独立没有关系D、两个活门机械连接，一个活门开，另外一个活门关闭
考题
旅客氧气系统中那个活门打开会导致系统工作灯（SYSON）点亮？（）A、系统关断活门sys shutoff valveB、主分配关断活门main distribution valveC、通风活门ventilation valveD、人工关断活门manual shutoff valve
考题
以下有关ENG VA LVE CLOSED（发动机活门关闭灯）说法不正确的是（）A、HPSOV活门位置与指令位置不一致，发动机活门关闭灯明亮B、HPSOV活门位置与指令位置不一致，发动机活门关闭灯不亮C、HPSOV活门关闭时，发动机活门关闭灯暗亮D、HPSOV活门打开时，发动机活门关闭灯不亮
考题
单选题In （） pump a closed discharge valve will not cause excessive pressure to build up.A
gearB
vaneC
screwD
centrifugal
考题
单选题If a centrifugal bilge pump were continually operated with the discharge valve closed the （）.A
motor overload would openB
relief valve would openC
pump would eventually overheatD
motor would overheat
考题
单选题In the suction stroke, the crankshaft is rotating clockwise and the piston is moving （） the cylinderThe inlet valve is （） and a fresh charge of air is being drawn or pushed into the cylinder by the turbocharger.A
up；openedB
down；openC
up；closedD
down；closed
考题
单选题In （） pumps a closed discharge valve will cause bursting discharge pressure.A
centrifugalB
plungerC
injectorD
water
考题
单选题Each cylinder has one starting valve which is usually opened by air pressure and closed by （）A
nuts and boltsB
new jointsC
spring forceD
sealing rings
考题
单选题The needle valve in the injector （） at a pre-set pressure which ensures that the fuel will atomize once it enters the cylinder.A
will liftB
will be liftedC
will closeD
will be closed
考题
单选题What action must be taken when an individual cargo tank is closed off from the inert gas system by the tank isolation valve?（）A
The tank must be gas freedB
The tank must be ballastedC
The tank must be vented to the atmosphereD
The bypass valve must also be closed
考题
单选题Which of the listed statements is correct concerning the starting of centrifugal pumps?（）A
They should always be started with the discharge valve closedB
They should always be started with the discharge valve openedC
A priming pump is always required to flood the impeller suctionD
They should always be started with the sealing line valves closed
考题
单选题If a centrifugal pump were continually operated with the discharge valve closed, the （）.A
motor controller overload would openB
pump would eventually overheatC
relief valve would continuously cycle openD
motor would overheat
考题
单选题A butterfly valve consists basically of a disc pivoted across the bore of a ring body having the same radial dimensions as the pipe in which it is fitted.According to the above sentence, which of the following statements is not true?（）A
The diameter of a disc is the same as the outer diameter of the pipeB
We can infer that the valve is opened or closed by rotating the spindleC
A butterfly valve comprises a disc and a ring bodyD
The profile of the butterfly valve is a ring body
考题
单选题One of the consequences in continuing to operate a centrifugal bilge pump with the discharge valve closed, is that the （）.A
motor overload will openB
relief valve will openC
pump will overheatD
motor will overheat
考题
单选题A centrifugal pump attempting to develop flow against a closed discharge valve has a/an （）.A
capacity of 0%B
efficiency of 100%C
internal slippage of 0%D
shut off horsepower rating of 100%
考题
单选题In its simplest form the pressure reducing valve is opened or closed by （） which is balanced by the downstream pressure acting on a diaphragm.A
adjusting a nutB
a pre-tensioned springC
any springD
upstream pressure
考题
单选题If the discharge valve is closed before the drive motor is stopped, which of the following types of pumps will most likely be damaged?（）A
CentrifugalB
GearC
PropellerD
Turbine
考题
单选题In slow speed two-stroke engines,（）the fresh air entering begins when and stops as（）A
the inlet port is opened by the up coming piston； the port is closed by the down goingB
the inlet valve is opened by the down going piston；the inlet valve is closedC
the inlet port is opened by the down going piston；the port is closed by the up comingD
the inlet valve is opened
热门标签
最新试卷