# Mechanical Engineering - Thermodynamics

### Exercise :: Thermodynamics - Section 3

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

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

Explanation:

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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

Explanation:

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49.

The value of cp/cv for air is

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

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