When the air is passed through an insulated chamber having sprays of water maintained at a temperature higher than the dew point temperature of entering air but lower than its dry bulb temperature, then the air is said to be

A Cooled and humidified
B Cooled and dehumidified
C Heated and humidified
D Heated and dehumidified

Correct Answer: Cooled and humidified

When the air is passed through an insulated chamber having sprays of water maintained at a temperature higher than the dew point temperature of entering air but lower than its dry bulb temperature, then the air is said to be Cooled and humidified
Bissoy MCQ
#Mechanical Engineering #Refrigeration and Air Conditioning

Related Questions

When water is sprayed on air, passing through an insulated chamber maintained at a temperature higher than the dew point of entering air but lower than its dry bulb temperature, then the air is
A Cooled and dehumified
B Heated and humidified
C Cooled and humidified
D Heated and dehumidified
The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity.
A 0
B 100
C 50
D None of these
In a spray washing system, if the temperature of water is higher than the dry bulb temperature of entering air, then the air is
A Heated and dehumidified
B Heated and humidified
C Cooled and humidified
D Cooled and dehumidified
The difference between dry bulb temperature and dew point temperature, is called
A Dry bulb depression
B Wet bulb depression
C Dew point depression
D Degree of saturation
For unsaturated air, the dew point temperature is __________ wet bulb temperature.
A Equal to
B Less than
C More than
D None of these
As relative humidity decreases, the dew point temperature will be ________ wet bulb temperature.
A Same as
B Lower than
C Higher than
D None of these
The difference between dry bulb temperature and wet bulb temperature, is called
A Dry bulb depression
B Wet bulb depression
C Dew point depression
D Degree of saturation
Dry bulb temperature of the gas is __________ the wet bulb temperature.
A Less than
B More than
C Equal to
D None of these
A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by 100 W bulb, the heater output will
A decrease
B increase
C remain same
D heater will burn out
In case of dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament form. Dry spinning is used for __________ fibres.
A Polythene
B PVC
C Rayon
D Polyvinyl acetate

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