A.The reservoir would become vapor bound
B.The valve would be placed in hydraulic lock
C.The spring loaded relief ports would open
D.The buffering chambers would be unable to function
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A.allow an alternate main pump to start in the fully loaded condition thus developing immediate full torque
B.prevent either main pump from being hydraulically motored when idle by cross pressure flow
C.prevent both units from operating simultaneously which could result in doubling the flow of oil and pressure leading to over pressurization of the system
D.all of the above
A.are exposed to a vacuum
B.come in contact with extremely hot surfaces
C.are reduced in temperature to just above the pour point
D.become extremely agitated or aerated
A.compensate for major leaks in the system
B.maintain the original fluid viscosity
C.allow for changes in pressure and temperature within the system
D.assure constant fluid temperature
A.ground the board
B.avoid reversing the polarity of the leads
C.isolate sensitive components with heat sinks
D.all of the above
A.vaporize, with the unflashed water remaining at the temperature at which it entered the flash chamber
B.vaporize, with the unflashed water equalizing to the saturation conditions existing in the flash chamber
C.vaporize, with the remaining water at the temperature greater than it entered the flash chamber
D.boil, allowing steam bubbles to rise through the brine at the bottom of the flash chamber
最新試題
Using a file without a handle may result in （）
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
（） is not installed on the main switchboar.
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
The main purpose of port State control is not to（）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）