As the temperature for a given mass of air increases, the ______.
A.dew point increases
B.dew point decreases
C.relative humidity increases
D.relative humidity decreases
As the temperature for an air mass decreases, the ______.A.absolute humidity increasesB.relative humidity increasesC.specific humidity increasesD.dew point rises
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单选题As the amount of moisture in the air increases, the difference between the dry bulb and wet bulb temperature will （）.A increaseB decreaseC remain unchangedD be greatest at dew point
单选题As the temperature for a given mass of air increase, the（）.A dew point increaseB dew point decreasesC relative humidity increasesD relative humidity decreases
单选题The dew point temperature is（）.A always higher than the air temperatureB always lower than the air temperatureC equal to the difference between the wet and dry bulb temperaturesD the temperature at which the air is saturated with water vapor
单选题Temperature and moisture characteristics are modified in a warm or cold air mass due to （）.A pressure changes in the air massB movement of the air massC the heterogeneous nature of the air massD upper level atmospheric changes
单选题A re-heater, as used in an air conditioning system, is designed to control the （）A chilled water temperatureB dew point temperatureC primary air temperatureD dry bulb temperature
单选题As the temperature of the air reaches the dew point，（）.A rain must developB fog may formC it begins to snowD water freezes
