单项选择题
A.Loss of suction B.Increased clearances C.Decreased clearance D.Decreased slippage
The dew point of air is reached when the wet bulb tempe...
单项选择题The dew point of air is reached when the wet bulb temperature is （）.
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
Which of the listed problems could produce a high absol...
单项选择题Which of the listed problems could produce a high absolute pressure within a flash type evaporator?（）
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
Which of the following terms represents the form of hea...
单项选择题Which of the following terms represents the form of heat removed from the refrigerant in the condenser of a refrigeration system?（）
A.Latent heat of vaporization B.Heat of compression C.Superheat D.All of the above
