A.low viscosity index
B.high viscosity index
C.high neutralization number
D.low demulsibility quality
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A.Loss of suction
B.Increased clearances
C.Decreased clearance
D.Decreased slippage
A.Twice the dry bulb temperature
B.10℃ above the dry bulb temperature
C.5℃ above the dry bulb temperature
D.Equal to the dry bulb temperature
A.Production of high salinity distillate
B.Seawater feed temperature below 165℃
C.A leak in the first stage demister
D.A cracked distillate pump vent line
A.Latent heat of vaporization
B.Heat of compression
C.Superheat
D.All of the above
A.Solar gain
B.Infiltration and ventilation air
C.Occupants inside the space
D.Entertainment equipment within the space
最新試題
Which of the following statements is correct concerning heat transfer?（）
A gradual decrease in the discharge pressure of an operating hydraulic pump can be caused by （）.
Which of the problems listed would came the discharge temperature of an R-12 refrigeration compressor to increase?（）
The rate of heat transfer from a hot region to a cold region is affected most by the （）.
If the suction pressure at the refrigeration compressor is below normal, the cause can be（）.
An internal bypass is provided on some hydraulic system suction strainers to help reduce the possibility of （）.
If the thermal bulb of an expansion valve is incorrectly placed at the center of the coil instead of the end, it will （）.
A salinity indicator is used to determine the （）.
The rate of heat transfer between the hot and cold fluids passing through a shell-and-tube type heat exchanger will （）.
The general purpose of a heat exchanger is to （）.