It denotes the amount of water vapour actually present in air as a percentage of maximum amount that could be present at that particular temperature
It represents the ratio of mass of water vapour to the mass of dry air in a given volume of air water vapour mixture
It is the mass of water vapour per unit volume of air water vapour mixture
None of these
Wet bulb temperature
Specific humidity
Dew point temperature
Dry bulb temperature
refrigerant mixture
synthetic refrigerant
an azeotrope
high pressure refrigerant
25
45
30
15
288
3456
24
12