Related Questions

A mixture of dry air and water vapour, when the air has diffused the maximum amount of water vapour into it, is called
A Dry air
B Moist air
C Saturated air
D Specific humidity
The state of atmosphere in relation to its water vapour content refers to:
A Relative Humidity
B Relative Density
C Precipitation
D Frontal Humidity
The ratio of actual mass of water vapour in a given volume of moist air to the mass of water vapour in the same volume of saturated air at the same temperature and pressure, is called
A Humidity ratio
B Relative humidity
C Absolute humidity
D Degree of saturation
The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in the same mass of dry air when it is saturated at the same temperature and pressure, is called
A Humidity ratio
B Relative humidity
C Absolute humidity
D Degree of saturation
The capacity of the Atmosphere to hold water vapour
A Increases as the temperature increases
B Decreases as the temperature increases
C Increases as the temperature decreases
D Decreases as the temperature decreases
In a vapour compression system, the condition of refrigerant is dry saturated vapour
A Before entering the compressor
B After leaving the compressor
C Before entering the condenser
D After leaving the condenser
In vapour compression cycle the condition off refrigerant is dry saturated vapour
A After passing through the condenser
B Before passing through the condenser
C After passing through the expansion or throttle valve
D Before entering the compressor
Vapour which is at a pressure smaller than the saturation pressure for the temperature involved is called a __________ vapour.
A Superheated
B Desuperheated
C Non-condensable
D None of these
True vapour pressure of a petroleum fraction __________ Reid vapour pressure.
A Is less than
B Is more than
C Is same as
D May be either more or less than
In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced by
A Liquid pump
B Generator
C Absorber and generator
D Absorber, generator and liquid pump

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