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Engineering Thermodynamics

Engineering Thermodynamics
The first law of thermodynamics is the law of

Conservation of momentum
Conservation of energy
Conservation of heat
Conservation of mass

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Engineering Thermodynamics
If the value of n = 0 in the equation pvn = C, then the process is called

Constant volume process
Constant pressure process
Isothermal process
Adiabatic process

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Engineering Thermodynamics
Which of the following cycles is not a reversible cycle?

Ericsson
Stirling
None of the listed here
Carnot

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Engineering Thermodynamics
Compressed air coming out from a punctured football

Remains at the same temperature
Becomes hotter
Becomes cooler
May become hotter or cooler depending upon the humidity of the surrounding air

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Engineering Thermodynamics
Carnot cycle has maximum efficiency for

Diesel engine
Reversible engine
Petrol engine
Irreversible engine

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Engineering Thermodynamics
Those substances which have so far not been resolved by any means into other substances of simpler form are called

Molecules
Compounds
Atoms
Elements

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