27) Among the following, which statement is incorrect regarding "dehumidification process"?

Enthalpy of saturation increases.

Dry bulb temperature remains unchanged

Moisture is removed

Specific humidity and relative humidity decreases

Answer is:

Enthalpy of saturation increases.

ISRO Technician-B MRAC Question Paper - 2017 (Set -1) with Answer Key

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28) What does the curved lines on a psychometric chart indicate?

Dew point temperature

Relative humidity

Specific humidity

Dry bulb temperature

Answer is:

Relative humidity

29) Which of the following decreases during sensible cooling of air?

Specific humidity

Wet bulb temperature

Dry bulb temperature

None of these

Answer is:

Dry bulb temperature

30) Dew point temperature is constant as long as there is no change in

volume of air

relative and specific humidity of air

moisture content of air

WBT and DBT

Answer is:

moisture content of air

31) Sensible heat factor is given by

(LH-SH)/SH

(LH+SH)/SH

SH/(LH-SH)

SH/(LH+SH)

Answer is:

SH/(LH+SH)

ISRO Technician-B MRAC Question Paper - 2017 (Set -1) with Answer Key

For more MCQ's Click Here

27) Among the following, which statement is incorrect regarding "dehumidification process"?

Enthalpy of saturation increases.

ISRO Technician-B MRAC Question Paper - 2017 (Set -1) with Answer Key

Related ISRO Technician-B MRAC Question Paper - 2017 (Set -1) with Answer Key

28) What does the curved lines on a psychometric chart indicate?

Relative humidity

29) Which of the following decreases during sensible cooling of air?

Dry bulb temperature

30) Dew point temperature is constant as long as there is no change in

moisture content of air

31) Sensible heat factor is given by

SH/(LH+SH)

ISRO Technician-B MRAC Question Paper - 2017 (Set -1) with Answer Key