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
()can be used to prevent hydraulic system overloaded or keep the pressure of oil outlet from pump constant.
A
Overflow valve
B
Reducing valve
C
Balancing valve
D
Reducing valve or balancing valve
参考答案
参考解析
解析:
暂无解析
更多 “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” 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
Before doing any work on a hydraulic system equipped with accumulators, you shouldA.drain the accumulators and purge with oxygenB.bleed off all stored energy from the accumulators completelyC.charge the accumulators to prevent system energy lossD.pump the hydraulic fluid into the accumulators to prevent fluid loss
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
Which of the following can be used in hydraulic transmission system?A.Hydraulic oilB.Animal oilC.Light oilD.Fuel oil
考题
An inert gas system on a tanker should be used to ______.A.prevent the generation of flammable or combustible gas in tanksB.blow out cargo lines to prevent the build up of gas concentrationsC.dilute tank atmospheres to keep gas concentrations below the lower explosive limitD.prevent fires in the pumproom by continually displacing flammable vapors
考题
Flame screens are used to ______.A.contain flammable fumesB.protect firefightiers from flamesC.prevent flames from entering tanksD.keep flame and sparks from getting out of an engine’s exhaust system
考题
What is the use of an "all configuration" backup in Cisco UCS?()A、 Can be used to migrate from a 6120 to a 6140 and retain the same service profilesB、 Can only be used on the fabric interconnect on which it was createdC、 Can be used to migrate from a 6120 to 6140 and retain system IP addresses and cluster informationD、 Can be used to match firmware versions between 6120 and 6140 during a migration
考题
Which of the following tools can be used to securely connect to a remote system?()A、RCMDB、SSHC、TELNETD、HTTP
考题
Which of the following can be used to re-deploy a system configuration in a disaster recovery scenario?()A、System planB、System profileC、Critical console dataD、VIO server partition profile
考题
A system administrator has been asked to document the hardware configuration of a system. Which command can be used to assist in this task?()A、lscfgB、mkdevC、lslppD、cfgmgr
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 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 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Which of the following can be used in hydraulic transmission system?()A
Hydraulic oilB
Animal oilC
Light oilD
Fuel oil
考题
单选题The function of the hydraulic telemotor transmitter used in an electro-hydraulic steering gear system is to ().A
transmit the rudder angle to the bridge indicatorB
prevent the control linkage from striking the stops when hard overC
automatically purge all entrained air from the systemD
send hydraulic signals to the receiving unit
考题
单选题Before doing any work on a hydraulic system equipped with accumulators, you should()A
drain the accumulators and purge with oxygenB
bleed off all stored energy from the accumulators completelyC
charge the accumulators to prevent system energy lossD
pump the hydraulic fluid into the accumulators to prevent fluid loss
考题
单选题An orifice-check valve placed in a hydraulic system is used to()A
regulate the fluid flow in either directionB
restrict movement of hydraulic fluid in one direction, but allow free movement in the other directionC
allow free movement of hydraulic fluid in both directionsD
allow a restricted fluid flow in one direction only
考题
单选题What is the use of an "all configuration" backup in Cisco UCS?()A
Can be used to migrate from a 6120 to a 6140 and retain the same service profilesB
Can only be used on the fabric interconnect on which it was createdC
Can be used to migrate from a 6120 to 6140 and retain system IP addresses and cluster informationD
Can be used to match firmware versions between 6120 and 6140 during a migration
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How can the chance of contaminating hydraulic fluid be decreased when working on hydraulic system?()A
clean the fittings before they are disconnectedB
Place drip pans under leaky fittingsC
Seal any cracks in lines with PermatexD
Coat all threads with graphite oil
考题
单选题Which of the following statements describes the functions of a reservoir used in a hydraulic system?()A
Dissipate heatB
Trap foreign matterC
Separate air from the oilD
All of the above
考题
单选题Which of the following types of hydraulic pumps would be used in a steering system?()A
LobeB
ScrewC
Radial pistonD
Volute
考题
单选题Fuel injection uses the jet pump system and a Woodward type hydraulic () is used to control engine speed.A
controllerB
governorC
instrumentD
apparatus
考题
单选题An inert gas system on a tanker should be used to().A
prevent the generation of flammable or combustible gas in tanksB
blow out cargo lines to prevent the build up of gas concentrationsC
dilute tank atmospheres to keep gas concentrations below the lower explosive limitD
prevent fires in the pumproom by continually displacing flammable vapors
考题
单选题An inert gas system on a tanker should be used to().A
prevent the generation of flammable or combustible gas in tanksB
blow out cargo lines to prevent gas concentrationsC
dilute tank atmospheres to keep gas concentrations below the lower explosive limitD
prevent fires in the pumproom by continually displacing flammable vapors
热门标签
最新试卷