Which of the following remains constant during sensible cooling process ?

During sensible cooling process

A

Relative humidity decreases

B

Relative humidity increases

C

Wet bulb temperature decreases

D

Both B and C

During sensible cooling of air, its wet bulb temperature

A

Decreases but dew point remains constant

B

Increases but dew point remains constant

C

Increases & the dew point decreases

D

Decreases & the dew point increases

The wet bulb temperature during sensible cooling of air

A

Remains constant

B

Increases

C

Decreases

D

None of these

During sensible cooling,

A

Relative humidity remains constant

B

Wet bulb temperature increases

C

Specific humidity increases

D

Partial pressure of vapour remains constant

During sensible cooling of air, specific humidity

A

Remains constant

B

Increases

C

Decreases

D

None of these

Which of the following remains constant during evaporative cooling process with recirculated water supply?

A

Relative humidity

B

Partial pressure of vapour

C

Wet bulb temperature

D

None of these

In self cooled motors the cooling time constant is about ______ than the heating time constant because cooling conditions are worse at standstill.

A

2 to 3 times greater

B

3 to 4 times greater

C

4 to 5 times greater

D

none of the above

In case of sensible cooling of air, the coil efficiency is given by

A

B.P.F. - 1

B

1 - B.P.F.

C

$$\frac{1}{{{\text{B}}{\text{.P}}{\text{.F}}{\text{.}}}}$$

D

1 + B.P.F.

__________ remains constant during the adiabatic cooling of moist air.

A

Wet bulb temperature

B

Dry bulb temperature

C

Relative humidity

D

Specific humidity

During sensible heating of air _________ decreases.

A

Wet bulb temperature

B

Relative humidity

C

Dry bulb temperature

D

Specific humidity

Which of the following remains constant during sensible cooling process ?

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