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Engineering Thermodynamics

Engineering Thermodynamics
The heat and mechanical energies are mutually convertible. This statement was established by

Charles
None of these
Joule
Boyle

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Engineering Thermodynamics
The same volume of all gases would represent their

Specific weights
Gas characteristic constants
Molecular weights
Densities

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Engineering Thermodynamics
The efficiency of Carnot cycle depends upon

Pressure ratio
Cut-off ratio and compression ratio
Temperature limits
Volume compression ratio

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Engineering Thermodynamics
An open cycle gas turbine works on

Otto cycle
Carnot cycle
Stirling cycle
Joule's cycle

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Engineering Thermodynamics
The area under the temperature-entropy curve (T – s curve) of any thermodynamic process represents

Heat rejected
None of the listed here
Heat absorbed
Either heat absorbed or heat rejected

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Engineering Thermodynamics
The heat absorbed or rejected by the working substance is given by (where ds = Increase or decrease of entropy, T = Absolute temperature, and dQ = Heat absorbed or rejected)

dQ = ds/T
δQ = T.ds
δQ = T/ds
None of the listed here

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