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Engineering Thermodynamics

Engineering Thermodynamics
Work done is zero for the following process

Free expansion
Constant volume
Throttling
All of the listed here

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Engineering Thermodynamics
Carnot cycle efficiency depends upon

Working condition
Properties of the medium/substance used
Temperature range of operation
Condition of engine

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Engineering Thermodynamics
Change in enthalpy of a system is the heat supplied at

Constant temperature
Constant pressure
Constant volume
Constant entropy

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Engineering Thermodynamics
Which of the following items is not a path function?

Heat
Kinetic energy
Work
Thermal conductivity

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Engineering Thermodynamics
The absolute zero temperature is taken as

273°C
-273°C
-237°C
237°C

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Engineering Thermodynamics
The value of the product of molecular weight and the gas characteristic constant for all the gases in M.K.S. unit is

29.27 kgfm/mol °K
427 kgfm/mol °K
848 kgfm/mol °K
8314 kgfm/mol °K

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MORE MCQ ON Engineering Thermodynamics

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