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Engineering Thermodynamics

Engineering Thermodynamics
The first law of thermodynamics is the law of

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

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Engineering Thermodynamics
First law of thermodynamics furnishes the relationship between

Various thermodynamic processes
Various properties of the system
Heat, work and properties of the system
Heat and work

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Engineering Thermodynamics
For the constant pressure and heat input, the air standard efficiency of gas power cycle is in the order

Dual cycle, Otto cycle, Diesel cycle
Dual cycle, Diesel cycle, Otto cycle
Otto cycle, Diesel cycle, Dual cycle
Diesel cycle, Otto cycle, Dual cycle

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Engineering Thermodynamics
For a thermodynamic process to be reversible, the temperature difference between hot body and working substance should be

Minimum
Infinity
Maximum
Zero

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Engineering Thermodynamics
The ideal efficiency of a Brayton cycle with regeneration, with increase in pressure ratio will

Increase
Decrease
Remain unchanged
Increase/decrease depending on application

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Engineering Thermodynamics
A perpetual motion machine is

A non-thermodynamic machine
A hypothetical machine whose operation would violate the laws of thermodynamics
A hypothetical machine
A thermodynamic machine

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MORE MCQ ON Engineering Thermodynamics

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