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ME Set-3
Engineering Thermodynamic
57

Engineering Thermodynamics MCQ with Answers

57) A perfect gas at 27°C is heated at constant pressure till its volume is double. The final temperature is

54°C

327°C

108°C

654°C

Answer is:

327°C

Engineering Thermodynamics MCQ with Answers

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Related Engineering Thermodynamics MCQ with Answers

58) If value of n is infinitely large in a polytropic process pV^n = C, then the process is known as constant

volume

pressure

temperature

enthalpy

Answer is:

volume

59) The index of compression n tends to reach ratio of specific heats y when

flow is uniform and steady

process is isentropic

process is isothermal

process is isentropic and specific heat does not change with temperature

Answer is:

process is isentropic and specific heat does not change with temperature

60) Change in enthalpy of a system is the heat supplied at

constant pressure

constant temperature

constant volume

constant entropy

Answer is:

constant pressure

61) The term N.T.P. stands for

nominal temperature and pressure

natural temperature and pressure

normal temperature and pressure

normal thermodynamic practice

Answer is:

normal temperature and pressure

Engineering Thermodynamics MCQ with Answers

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