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Engineering Thermodynamics

Engineering Thermodynamics
The heat energy stored in the gas and used for raising the temperature of the gas is known as

Kinetic energy
External energy
Internal energy
Molecular energy

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Engineering Thermodynamics
A perpetual motion machine is

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

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Engineering Thermodynamics
The ideal efficiency of a Brayton cycle without regeneration, with increase in pressure ratio will

Increase/decrease depending on application
Decrease
Remain unchanged
Increase

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Engineering Thermodynamics
A cycle consisting of two adiabatic and two constant pressure processes is known as

Ericsson cycle
Otto cycle
Stirling cycle
Joule cycle

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Engineering Thermodynamics
A process, in which the temperature of the working substance remains constant during its expansion or compression, is called

Polytropic process
Adiabatic process
Isothermal process
Hyperbolic process

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Engineering Thermodynamics
If a gas vapour is allowed to expand through a very minute aperture, then such a process is known as

Free expansion
Adiabatic expansion
Hyperbolic expansion
Throttling

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MORE MCQ ON Engineering Thermodynamics

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