A.pressure
B.temperature
C.density
D.volume
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A.the saturation temperature is higher
B.the higher the saturation temperature
C.the higher is the saturation temperature
D.the saturation temperature is more high
A.liquid
B.steam
C.gas
D.electricity
A.did work
B.would work well
C.didnt work
D.wouldnt work
A.as well as
B.as long as
C.rather than
D.other than
A.the oil content in water
B.the water content in fuel oil
C.the water level in bilge well
D.the oil level in bilge well
最新試題
An increasing head pressure in a refrigeration system, without any corresponding change in the cooling water inlet temperature, would probably be caused by （）.
A grease gun is generally used to lubricate a （）.
The usual symptoms of cavitation in a centrifugal pump is （）.
The major source of chemical contaminants in hydraulic fluid is （）.
A salinity indicator is used to determine the （）.
Thermostatic expansion valves can be adjusted for （）.
If the thermal bulb of an expansion valve is incorrectly placed at the center of the coil instead of the end, it will （）.
An internal bypass is provided on some hydraulic system suction strainers to help reduce the possibility of （）.
The rate of heat transfer between the hot and cold fluids passing through a shell-and-tube type heat exchanger will （）.
Which of the following statements is correct concerning heat transfer?（）