If air at 95℃ dry bulb temperature and 50% relative humidity is conditioned to 75℃ dry bulb temperature and 50% relative humidity, it is an example of ().
A、cooling only
B、cooling and humidifying
C、cooling and dehumidifying
D、adiabatic cooling
A、cooling only
B、cooling and humidifying
C、cooling and dehumidifying
D、adiabatic cooling
A、A.always higher than the air temperature B、B.always lower than the air temperature C、C.equal to the difference between the wet and dry bulb temperatures D、D.the temperature at which the air is saturated with water vapor
A、on the power stroke B、on the exhaust stroke C、at the end of the power stroke D、at the start of the intake stroke
A、A.Twice the dry bulb temperature B、B.10℃ above the dry bulb temperature C、C.5℃ above the dry bulb temperature D、D.Equal to the dry bulb temperature
A、extremely cold air from shore passes over warmer water B、warm dry air from shore passes over cooler water C、cold ocean water evaporates into warm air D、cool rain passes through a warm air mass
A、Extremely cold air from shore passes over warmer water B、Warm dry air from shore passes over cooler water C、Cold ocean water evaporates into warm air D、Cool rain passes through a warm air mass