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ME Set-3
Engineering Thermodynamic
102

Engineering Thermodynamics MCQ with Answers

102) Measurement of temperature is based on

thermodynamic properties

zeroth law of thermodynamics

first law of thermodynamics

second law of thermodynamics

Answer is:

zeroth law of thermodynamics

Explanation:

Zeroth law of thermodynamics : Zeroth law of thermodynamics states that, when two bodies are in thermal equilibrium with a third body. They are also in thermal equilibrium with each other. Measurement of temperature is based on zeroth law of thermodynamics.

Engineering Thermodynamics MCQ with Answers

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Related Engineering Thermodynamics MCQ with Answers

103) Carnot cycle efficiency depends upon

properties of the medium/substance used

condition of engine

working condition

temperature range of operation

Answer is:

temperature range of operation

104) Carnot cycle efficiency is maximum when

initial temperature is 0°K

final temperature is 0°K

difference between initial and final temperature is 0°K

final temperature is 0°C

Answer is:

final temperature is 0°K

105) An engine operates between temperatures of 900°Kandr2 and another engine between T2 and 400°K For both to do equal work, value of T2 will be

650°K

600°K

625°K

700°K

Answer is:

650°K

106) If heat be exchanged in a reversible manner, which of the following property of the working substance will change accordingly

temperature

enthalpy

internal energy

entropy

Answer is:

entropy

Engineering Thermodynamics MCQ with Answers

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