更多"[单选题]The for the fresh water pump n"的相关试题:
[单选题]In an emergency situation,the sea water pump can be used to supply sea water to the fresh water system,merely___the blind-flanges.
A.to be moved
B.remove
C.in order to remove
D.by removing
[单选题] What is an advantage of water fog or water spray over a straight stream of water in fighting an oil fire ________．
A.It has a smothering effect on the fire
B.It requires less water to remove the same amount of heat
C.It gives more protection to fire fighting personnel
D.All of the above
[单选题]The injector pump is operated bywhich drives the plunger up and down.
A.a connecting rod
B.a cam
C.a turning gear
D.a fly wheel
[单选题] _______ water is the water in the hold to keep the ship’s stability.
A. Bilge
B. Ballast
C. Slop
D. Sanitary
[单选题]Afterward booster pump of the APU working condition is：()
后APU增压泵工作的条件是（ ）
A.FL250高度层以上
FL250 height above
B.配平油箱加/抽油期间 或前APU增压泵低压时
during Trim tanks refuel and defuel， or the APU forward pump low pressure
C.A+B
[单选题] If a hydraulic pump on a winch accidentally stops while hoisting，the load will stay suspended because ______．
A.A check valve will close that prevents reverse circulation
B.A centrifugal counterweight counteracts the force of gravity．
C.The electric pump motor will cut out
D.The control lever will move to the stop position
[单选题] You start a centrifugal cargo pump to discharge cargo．The pump works for a while and then loses suction．This could NOT be caused by ______．
A.Leaking shaft seals
B.Air pockets in the liquid
C.High cargo level in the tanks
D.A leaking suction line
[单选题]Sealing in pump shaft is achieved by means of
A.the gasket
B.the packing
C.the washer
D.the spring
[单选题]A common trouble with fuel pump plungers or fuel valve spindles isleakage.
A.oil
B.grease
C.gas
D.water
[单选题] A relief valve for a cargo pump is generally installed ______．
A.after the discharge valve
B.between the pump and discharge valve
C.after the suction valve
D.between the pump and suction valve
[单选题]液压系统电动泵
Electric pump of the hydraulic system can:（ ）
A.均可自动起动 all Electric pump can automatic start
B.绿、黄系统电动泵可自动起动Green, yellow system of electric pump can automatically start
C.绿、兰系统电动泵可自动起动Electric pump green, blue system can automatically start
[单选题]is used to pump out fuel oil from the bunker tanks.
A.A bilge pump
B.A vacuum pump
C.A gear pump
D.A volute
[单选题] On what type of pump would you find an impeller ________．
A.Centrifugal
B.Gear
C.Piston
D.Vane
[单选题]关于滑油泵组件（ ）About the oil pump components
A.共7个齿轮泵 A total of 7 gear pump
B.共8个齿轮泵 A total of 8 gear pump
C.有6个回油泵 A total of 6 gear pump
[判断题]Hand pump人工充气泵用于给救生筏补气。
A.正确
B.错误
[单选题]兰系统正常由谁增压
which pump supplies pressure to blue system in normal condition？（ ）
A.一个电动泵
An electric pump
B.一个发动机泵
One engine driven pump
C.两个发动机泵
The two engine driven pump
[单选题]绿系统正常由谁增压
Which pump supplies prussure to green system in normally condition?（ ）
A.一个电动泵
An electric pump
B.一个发动机泵和一个电动泵
An engine drive pump and an electric pump
C.两个发动机泵
The two engine drive pump
[单选题]黄电动泵(YELLOW ELEC PUMP)控制为白色时
A.电动泵接通且黄系统低压
B.电动泵关断
C.电动泵接通
