1101. The temperature attained when the air is cooled by adding water adiabatically to it in a steady flow until it becomes saturated is called :

A. Wet bulb temperature
B. Dew point temperature *
D. Wet bulb depression

1102. Wet bulb depression represents the difference between :

A. The temperature of the dry bulb and the wet bulb *;
B. The temperature of the dry bulb and the dew point;
C. The temperature of the dew point and the saturation;
D. The temperature of the Adiabatic saturation and the dew point.

1103. The wet bulb depression is zero when relative humidity equals :

A. Zero
B. 0.5
C. 0.7
D. 1.0 *

1104. Which of the following parameters remains constant during adiabatic saturation process on unsaturated air ?

A. Dry bulb temperature
B. Wet bulb temperature *
C. Dew point temperature
D. Relative humidity

1105. The saturation temperature of water vapour at it partial pressure is equal to :

A. Wet bulb temperature
B. Dew point temperature *
D. Dry bulb temperature

1106. The moisture content of air is indicated by :

A. Wet bulb temperature and dew point temperature *
B. Wet bulb temperature and dry bulb temperature
C. Adiabatic temperature and dew point temperature
D. Enthalpy an wet bulb temperature

1107. The wet bulb temperature is a measure of :

A. Absolute humidity *
B. Specific humidity
C. Relative humidity
D. Degree of saturation

1108. When the dry bulb and wet bulb temperature of air are same then relative humidity of air will be :

A. Zero Percent *
B.50 Per cent
C. 66 Percent
D. 100 Percent

1109. A 100 per cent relative humidity of air implies that :

A. Wet Bulb temperature rises to the dew point temperature
B. Dew point temperature equals that saturation temperature
C. Saturation temperature equals the dry bulb temperature
D. Dry bulb ,wet bulb dew point and immersion temperatures are equivalent *

1110. Which of the following is not a correct statement?

A. Condensation of moisture begins at the dew point
B. Upon cooling the saturated air, the moisture separates out and the air becomes foggy and misty
C. Higher the relative humidity greater will be the wet bulb depression *
D. Regardless of temperature the values of relative humidity and degree of saturation are identical both for saturated air and dry air