Mechanical Engineering - Heat Transfer, Refrigeration and Air Conditioning

46. 

The product of Reynolds number and Prandtl number is known as

A. Stanton number
B. Biot number
C. Peclet number
D. Grashoff number

Answer: Option C

Explanation:

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

47. 

Carbon dioxide is

A. colourless
B. odourless
C. non-flammable
D. all of these

Answer: Option D

Explanation:

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

48. 

The reduced ambient air cooling system has

A. one cooling turbine and one heat exchanger
B. one cooling turbine and two heat exchangers
C. two cooling turbines and one heat exchanger
D. two cooling turbines and two heat exchangers

Answer: Option C

Explanation:

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

49. 

The heat of sun reaches to us according to

A. conduction
B. convection
C. radiation
D. none of these

Answer: Option C

Explanation:

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

50. 

The specific humidity during humidification process

A. remains constant
B. increases
C. decreases

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