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Engineering Thermodynamics

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

Stirling
Carnot
Ericsson
None of the listed here

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Engineering Thermodynamics
An actual engine is to be designed having same efficiency as the Carnot cycle. Such a proposition is

Impossible
Feasible
Possible
Possible, but with lot of sophistications

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Engineering Thermodynamics
The increase in entropy of a system represents

Decrease in pressure
Degradation of energy
Increase in temperature
Increase in availability of energy

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Engineering Thermodynamics
A perpetual motion machine is

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

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Engineering Thermodynamics
The natural solid fuel is

Coke
Anthracite coal
Pulverised coal
Wood

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Engineering Thermodynamics
When the expansion or compression takes place according to the law pvn = C, the process is known as

Hyperbolic process
Isothermal process
Adiabatic process
Polytropic process

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