更多"The amount of fluid delivered by a "的相关试题:
[单项选择]The amount of fluid delivered by a reciprocating pump can be regulated by （）.
A. throttling the pressure line
B. changing the speed of the piston
C. either A or B
D. None of the above is tree
[单项选择]The amount of fluid delivered by a centrifugal pump can be regulated by （）.
A. throttling the pressure line
B. changing the speed of the rotor
C. either A or B
D. None of the above is tree
[单项选择]The amount of fluid delivered by a helical pump can be regulated by （）.
A. throttling the pressure line
B. changing the speed of the rotor
C. either A or B
D. None of the above is tree
[单项选择]The amount of fluid delivered by a screw pump can be regulated by （）.
A. throttling the pressure line
B. changing the speed of the rotor
C. either A or B
D. None of the above is tree
[单项选择]The amount of fluid delivered by a gear pump can be regulated by （）.
A. throttling the pressure line
B. changing the speed of the rotor
C. either A or B
D. None of the above is true
[单项选择]The amount of fluid friction or internal friction inherent in a mineral lubricating oil is reflected as a measure of its （）.
A. specific gravity
B. viscosity
C. S E number
D. hydrolytic stability
[单项选择]Which of the listed pumps is NOT a positive displacement pump?（）
A. Centrifugal
B. Reciprocating
C. Gear
D. Rotary
[单项选择]The amount of fuel delivered by a helical plunger fuel injection pump is controlled by （）
A. varying the pump discharge pressure
B. varying the pump return pressure
C. rotation of the pump plunger
D. rotation of the pump barrel
[单项选择]The amount of fuel delivered by a unit injector is controlled by the （）
A. camshaft
B. main spring
C. rack position
D. nozzle orifice size
[单项选择]The amount of fuel delivered for each cycle must be in accordance with the engine load, and the same quantity of fuel must be delivered to each cylinder for each power stroke at that load.Which of the following statements describes this requirement?（）
A. Proper timing
B. Accurate metering
C. Suitable injection rate
D. Suitable atomization rate
[单项选择]A vessel or object being towed astern shall display a(n)（）.
A. forward masthead light
B. after masthead light
C. stern light
D. All of the above
[单项选择]A white buoy with an orange rectangle on it displays（）.
A. directions
B. dangers
C. exclusion areas
D. All of the above
[单项选择]If the goods are not delivered，or delivered in a damaged condition，a claim may be （）within a period of certain years unless there is a clause to the contrary in the charter-party or bill of lading.
A. taken
B. gone
C. gotten
D. made
[单项选择]在BGP MPLS VPN组网的公网设备上，采用displa mpls ldp session命令检查LDP邻居建立状况时，发现邻居状态时Operational，说明（）。
A. 与此邻居的LDP邻居已建立成功，可以交互标签信息
B. 与此邻居之间已经完成标签交互
C. 与此邻居无法建立LDP邻居关系，因为LDP相关参数不匹配
D. 与此邻居无法建立LDP邻居关系，因为对端未使能LDP协议
[单项选择]Leakage of hydraulic fluid from around the shaft of a hydraulic motor may be caused by（）
A. permanent loss of pump suction
B. worn shaft seals
C. high level in the oil sump
D. low motor RPM
[单项选择]When air becomes trapped in the hydraulic fluid of a steering system, the （）.
A. rudder will respond sluggishly
B. hydraulic rams will over-speed
C. sight glass will show bubbles
D. ram relief valves will lift
[单项选择]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 reservoir
B. add turbine oil because it is always a good substitute
C. add any oil that has the same viscosity as the hydraulic fluid
D. check the winch manufacturers instruction book
[单项选择]Air trapped in the hydraulic fluid of a steering system would be indicated by（）
A. an improper rudder response
B. hammering noises in the equipment or transmission lines
C. popping or sputtering noises
D. all the above
