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Are you testing the（）(液压舱盖)?
- A、hydraulic hatch cover
- B、hydraulic release unit
- C、hydraulic oil jack
- D、automatic hatch cover
参考答案
更多 “Are you testing the（）(液压舱盖)?A、hydraulic hatch coverB、hydraulic release unitC、hydraulic oil jackD、automatic hatch cover” 相关考题
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If you install a new hydraulic hose in a hydraulic system, the hose must be long enough to allow for contraction to preventA.failure of the hydraulic hoseB.excessive flow through the lineC.friction in other areas of the hydraulic systemD.overheating of the hydraulic fluid
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Among the basic categories of equipment, which of the following are used to convert the hydraulic energy into linear motion?A.hydraulic pumpsB.valvesC.hydraulic cylindersD.hydraulic motors
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Leakage of hydraulic fluid from around the shaft of a hydraulic motor may be caused by ______.A.permanent loss of pump suctionB.worn shaft sealsC.high level in the oil sumpD.low motor RPM
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Which of the following problems may be encountered by using an oil having a viscosity higher than that specified for an operating hydraulic system?A.External seal leakageB.Hunting due to fast responseC.Hydraulic oil film breakdownD.Increased power consumption
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Which of the following can be used in hydraulic transmission system?A.Hydraulic oilB.Animal oilC.Light oilD.Fuel oil
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The major cause of trouble in a mechanical-hydraulic governor is contamination of the hydraulic fluid by ______.A.dirtB.fuel oilC.governor cooling waterD.fuel oil tar(焦油)
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Among the basic categories of equipment, which of the following are used to convert mechanical into hydraulic energy?A.the hydraulic pumpsB.valvesC.hydraulic cylindersD.hydraulic motors
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The（）(滚动式舱盖) runs along the guide rail.A、rolling type hatch coverB、side-rolling hatch coverC、folding type hatch coverD、automatic hatch cover
考题
The（）(折叠式舱盖) can fold slowly.A、rolling type hatch coverB、side-rolling hatch coverC、folding type hatch coverD、automatic hatch cover
考题
这些舱盖通常是用电力或液压驱动的。（）A、These hatches are usually driven by electric or hydraulic power.B、These hatch covers are usually driven by electric or hydraulic power.C、These hatch covers are usually driven by electric.D、These hatch covers are usually driven by hydraulic power.
考题
为了避免震动，用低速控制钮减低移动舱盖的速度。（）A、To avoid shock, reduce the speed of moving hatch cover by inching control.B、To avoid shock, reduce the speed of moving hatch cover by control levers.C、To avoid shock, reduce the position of moving hatch cover by inching control.D、To avoid shock, reduce the course of moving hatch cover by control levers.
考题
Bosun, I’ve never operated the hatch covers （）by hydraulic power.A、poweredB、drivenC、movedD、opened
考题
每一个舱盖由两个或更多的盖板组成。（）A、Each hatch consists of two panels.B、Each hatch cover consists of two panels.C、Each hatch consists of two or more panels.D、Each hatch cover consists of two or more panels.
考题
These hatch covers are usually driven by electric or hydraulic power.（）A、这些舱盖通常是用电力驱动的B、这些舱盖通常是用液压驱动的C、这些舱盖通常是用电力或液压驱动的D、这些舱盖通常是用油压或液压驱动的
考题
The（）(自动舱盖) is operated by electric or hydraulic power.A、automatic hatch coverB、folding type coverC、hatch coamingD、side-rolling type cover
考题
单选题In which of the listed hydraulic systems will the installation of an oil cooler be necessary?（）A
Constant tension mooring winch systemB
Hatch cover systemC
Watertight door systemD
Internal combustion engine hydraulic starter system
考题
单选题为了避免震动，用低速控制钮减低移动舱盖的速度。（）A
To avoid shock, reduce the speed of moving hatch cover by inching control.B
To avoid shock, reduce the speed of moving hatch cover by control levers.C
To avoid shock, reduce the position of moving hatch cover by inching control.D
To avoid shock, reduce the course of moving hatch cover by control levers.
考题
单选题The（）(滚动式舱盖) runs along the guide rail.A
rolling type hatch coverB
side-rolling hatch coverC
folding type hatch coverD
automatic hatch cover
考题
单选题The（）(自动舱盖) is operated by electric or hydraulic power.A
automatic hatch coverB
folding type coverC
hatch coamingD
side-rolling type cover
考题
单选题Are you testing the（）(液压舱盖)?A
hydraulic hatch coverB
hydraulic release unitC
hydraulic oil jackD
automatic hatch cover
考题
单选题If you are given the job of adding hydraulic fluid to a mooring winch, and are not certain as to the type of fluid to use, you should （）.A
add fluid that is the same color as the fluid in the reservoirB
add turbine oil because it is always a good substituteC
add any oil that has the same viscosity as the hydraulic fluidD
check the winch manufacturers instruction book
考题
单选题The（）(折叠式舱盖) can fold slowly.A
rolling type hatch coverB
side-rolling hatch coverC
folding type hatch coverD
automatic hatch cover
考题
单选题These hatch covers are usually driven by electric or hydraulic power.（）A
这些舱盖通常是用电力驱动的B
这些舱盖通常是用液压驱动的C
这些舱盖通常是用电力或液压驱动的D
这些舱盖通常是用油压或液压驱动的
考题
单选题Leakage of hydraulic fluid from around the shaft of a hydraulic motor may be caused by（）A
permanent loss of pump suctionB
worn shaft sealsC
high level in the oil sumpD
low motor RPM
考题
单选题这些舱盖通常是用电力或液压驱动的。（）A
These hatches are usually driven by electric or hydraulic power.B
These hatch covers are usually driven by electric or hydraulic power.C
These hatch covers are usually driven by electric.D
These hatch covers are usually driven by hydraulic power.
考题
单选题Hydraulic control check value is generally used to （） in the marine hydraulic mechanism.A
control the back pressure of return oilB
lock the oil lines under some conditionsC
change the direction of oil flowD
act as relief valve
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