A.It has low density
B.It has high viscosity
C.Its thermal conductivity is high
D.It is a diatomic molecule
E.Its critical temperature is lower than the normal room temperature
A.Ammonia
B.Freon 11
C.Freon 12
D.Freon 22
E.Carbondioxide
A.Humidity of air
B.Water vapour content of air
C.Condition of air
D.All above
E.None of the above
A.Dew point
B.Humidification ratio
C.Relative humidity
D.Specific humidity
E.Sensible heat factor
A.Absorbs about 100 kcal of heat per hour
B.Absorbs about 500 kcal of heat per hour
C.Discards about 500 kcal of heat per hour
D.Discharges about 100 kcal of heat per hour
E.Neither absorbs nor discards heat
A.Ammonia
B.Freon 11
C.Freon 12
D.Carbondioxide
E.Air
A.Cooling
B.Heating
C.Dehumidifying
D.Removal of air impurities
E.All above
A.Freon 12 and water
B.Freon 22 and water
C.Ammonia and water
D.Brine and water
E.Hydrogen and water
A.A solid substance capable of removing moisture from a gas, liquid or solid
B.A substance which reduces the viscosity of liquids
C.Heat given off by cargo
D.A process of removing heat under controlled conditions
E.Anammonia and a water solution
