更多"The process during which liquid con"的相关试题:
[单项选择]During which condition should the operator of a pedestal crane shutdown operations?（）
A. Bunkering
B. High winds
C. Potable water spill on deck
[单项选择]Valve overlap is the period during which （）.
A. the inlet valve is open
B. the exhaust valve is open
C. both valves are closed
D. both valves are open
[单项选择]Where a period is fixed during which freight is to be paid，the Shipowner must（）to deliver the goods throughout the whole of that period if he wishes to claim payment.
A. be had
B. be made
C. be prepared
D. be delivered
[单项选择]During which of the listed piston stroke of a four-stroke/cycle diesel engine, is the piston moving downward?（）
A. Intake stroke
B. Compression stroke
C. Exhaust stroke
D. Pumping stroke
[单项选择]The period at high or low tide during which there is no change in the height of the water is called the （）.
A. range of the tide
B. plane of the tide
C. stand of the tide
D. reversing of the tide
[单项选择]The lowest temperature at which a liquid gives off enough vapor to ignite in the presence of an ignition source is called its （）.
A. boiling point
B. flash point
C. viscosity point
D. toxic point
[单项选择]Every liquid has a pressure at which it will vaporize and this pressure varies with temperatureThe word “which” means （）.
A. a liquid
B. a pressure
C. a temperature
D. none of the above
[单项选择]A tank which carries liquid is dangerous to the stability of a vessel when it is（）.
A. low in the vessel
B. completely empty
C. completely full
D. slack
[单项选择]During fueling operations, which of the listed precautions should be taken when topping off fuel tanks?（）
A. Reduce the pumping rate by closing the deck filling valve
B. Close all overflow valves
C. Place 5 gallon containers under all flange connections in the fuel line
D. Reduce the pumping rate and sound tanks frequently as the level rises
[单项选择]（） is the temperature at which a liquid fuel gives off sufficient vapor to form an ignitable mixture near its surface.
A. Setting point
B. Dew point
C. Flash point
D. Lean point
[单项选择]During inspection of the machinery space, which of the following statements points to an unsatisfactory organization of the systematic maintenance?（）
A. missing valve hand wheels
B. dirty tank tops
C. a large number of temporary repairs
D. All of the above
[单项选择]A local wind which occurs during the daytime and is caused by the different rates of warming of land and water is a（）.
A. foehn
B. chinook
C. land breeze
D. sea breeze
[单项选择]What type of liquid is used in the liquid P/V breaker（）.
A. Hydraulic oil
B. Water-antifreeze mixture
C. Distilled water
D. Oil from the cargo
[单项选择]If liquid refrigerant accidentally comes in contact with the eyes, （） immediately.
A. rub the eyes
B. irritate the eyes
C. wash the eyes with a heavy boric acid solution
D. obtain medical help
[单项选择]Compared to the amount of concentrated foam liquid used，the amount of low expansion mechanical foam produced is（）.
A. 97 times greater
B. 94 times greater
C. 10 times greater
D. 2 times greater
[单项选择]A pressure drop through the refrigerant liquid line may cause （）.
A. solenoid valve to seize
B. compressor to hunt
C. formation of flash gas in the liquid line
D. expansion valve to freeze open
