Mechanical Engineering - Thermodynamics

46. 

According to kinetic theory of gases, the kinetic energy of translation of a molecule is proportional to

A. T
B. T
C. 1/T
D. 1/T

Answer: Option A

Explanation:

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

47. 

The amount of heat given out by the complete combustion of 1 kg of fuel is known as calorific value of solid or liquid fuel.

A. True
B. False

Answer: Option A

Explanation:

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

48. 

The conditions of temperature and pressure at 0°C (273K) and 760 mm of Hg pressure are termed as __________ temperature and pressure.

A. normal
B. standard

Answer: Option B

Explanation:

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

49. 

The value of cp/cv for air is

A. 1
B. 1.4
C. 1.8
D. 23

Answer: Option B

Explanation:

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

50. 

The heat absorbed or rejected by the working substance is given by (where ds = Increase or decrease of entropy, T = Absolute temperature, and dQ = Heat absorbed or rejected)

A. δQ = T.ds
B. δQ = T/ds
C. dQ = ds/T
D. none of these

Answer: Option A

Explanation:

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

« Prev   1 2 3 4 5 6 7 8 9 10