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）
单选题
The device used to store a charged pressure for a hydraulic starting system is called the（）
A
reservoir
B
hand pump
C
accelerator
D
accumulator
参考答案
参考解析
解析：
暂无解析
更多 “单选题The device used to store a charged pressure for a hydraulic starting system is called the（）A reservoirB hand pumpC acceleratorD accumulator” 相关考题
考题
Which of the listed pressure control valves would be used to establish the maximum operating pressure of a hydraulic system?A.Pressure-reducing valveB.Unloading valveC.Counterbalance valveD.Pressure-relief valve
考题
Among the basic categories of equipment, which of the following are used to allow the hydraulic energy to be controlled?A.hydraulic pumpsB.valvesC.hydraulic cylindersD.hydraulic motors
考题
The closing of the exhaust valves used on a modern, large, low-speed, main propulsion diesel engine may be directly provided by_______.A.large conical springsB.compressed air pressureC.hydraulic pressureD.exhaust gas pressure
考题
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
考题
Among the basic categories of equipment, which of the following is used to convert hydraulic energy into continuous rotary motion?A.hydraulic pumpsB.valvesC.hydraulic cylindersD.hydraulic motors
考题
What type of valve is used to direct the flow of hydraulic fluid?A.relief valveB.direction control valveC.stop valveD.pressure control valve
考题
Hydraulic machinery failures are commonly caused by contamination of the hydraulic fluid and ______.A.fluid frictionB.fluid turbulenceC.component misalignmentD.pressure surges
考题
________ is a device used to measure atmospheric pressure．A.BarometerB.ThermometerC.ChronometerD.Speedometer
考题
The safest device used to secure the end of the pendant wire when it is initially passed to the anchor handling vessel is a ______．A.Pelican hookB.Hydraulic deck stopperC.Connecting linkD.Shackle
考题
The storage device for nitrogen-pressurized hydraulic fluid，which is used in closing the blowout preventers is called the ______．A.ActuatorB.AnnulusC.AccumulatorD.Annular preventer
考题
单选题Which of the listed pressure control valves would be used to establish the maximum operating pressure of a hydraulic system?（）A
Pressure-reducing valveB
Unloading valveC
Counterbalance valveD
Pressure-relief valve
考题
单选题A marine diesel engine is started by（）A
supplying high pressure oil into a hydraulic motorB
supplying high temperature air into the cylinderC
supplying high pressure air into the cylinderD
electrical igniting
考题
单选题（）can be used to prevent hydraulic system overloaded or keep the pressure of oil outlet from pump constant.A
Overflow valveB
Reducing valveC
Balancing valveD
Reducing valve or balancing valve
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
考题
单选题The device used for low-pressure control and high-pressure cutout on a compressor is called a（）A
cutoutB
pressure controllerC
controller switchD
cutout switch
考题
单选题Most hydraulic steering gears are fitted with relief valves which（）A
function when the rudder is amidshipsB
relieve excess whip pressure from the hydraulic oil systemC
protect the piping assembly from external rudder shockD
relieve excessive telemotor pressure
考题
单选题Which of the following hydraulic systems is not one of the three sub-division of the Hydraulic drive system?（）A
Constant pressure systemB
Variable pressure systemC
Variable displacement systemD
Constant volume system
考题
单选题A reservoir, as used in hydraulic systems aboard ship, is used to store hydraulic oilAnother function is to（）A
act as a shock absorberB
maintain the stored oil under pressureC
act as a base or foundation for the power unitD
eliminate pressure surges in the system
考题
单选题In the design of hydraulic piping and equipment consideration is given to minimize turbulence in the hydraulic fluid, as this will cause（）A
molecular fluid vibrationB
energy lossesC
wide pressure variationsD
mechanical damage to control valves
考题
单选题In a hydraulic system, （） are used to protect the system from over pressure.A
stop valvesB
check valvesC
safety valvesD
reducing valves
考题
单选题The storage device for nitrogen-pressurized hydraulic fluid，which is used in closing the blowout preventers is called the（）.A
actuatorB
annulusC
accumulatorD
annular preventer
考题
单选题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
考题
单选题When normal operating pressure is applied to the hydraulic oil used in a high-pressure system, the oil （）.A
viscosity will decreaseB
volume will increaseC
volume will decreaseD
pour point will be reduced
考题
单选题Compensated flow control or constant flow valves are used in hydraulic systems to（）A
compensate for major leaks in the systemB
maintain the original fluid viscosityC
allow for changes in pressure and temperature within the systemD
assure constant fluid temperature
考题
单选题Flexible hose under pressure in a hydraulic system will （）.A
tend to twist about its long axisB
expand in length and in diameterC
contract in length and expand in diameterD
flex at right angles to the applied pressure
考题
单选题An axial piston, variable stroke pump is used in a vessels hydraulic steering gearUnder pressure, oil continually leaks out from between the valve plate/cylinder barrel and will（）.A
cause loss of hydraulic oil from the systemB
result in extreme damage to the pumpC
cause damage to the pump ff not continually drained from the pump casingD
result in the system high side pressure to substantially drop off
热门标签
最新试卷