Mechanical Engineering - Heat Transfer, Refrigeration and Air Conditioning

46. 

During dehumidification process, __________ remains constant.

A. wet bulb temperature
B. relative humidity
C. dry bulb temperature
D. specific humidity

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

47. 

Pressure of water vapour is given by

A.
B.
C.
D. none of these

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

48. 

The value of the wave length for maximum emissive power is given by

A. Kirchhoff's law
B. Stefan's law
C. Wein's law
D. Planck's law

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

49. 

Emissivity of a body will be equal to its absorptivity at all temperatures.

A. Yes
B. No

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

« Prev   1 2 3 4 5 6 7 8 9 10