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Engineering Thermodynamics

Engineering Thermodynamics
A mixture of gas expands from 0.03 m3 to 0.06 m3 at a constant pressure of 1 MPa and absorbs 84 kJ of heat during the process. The change in internal energy of the mixture is

54 kJ
30 kJ
114 kJ
84 kJ

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Engineering Thermodynamics
The volumetric or molar specific heat at constant pressure is the product of

Atomic mass of the gas and the gas constant
Molecular mass of the gas and the specific heat at constant volume
None of the listed here
Molecular mass of the gas and the gas constant

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Engineering Thermodynamics
Which of the following is an irreversible cycle?

None of these
Carnot
Stirling
Ericsson

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

Polytropic process
Adiabatic process
Isothermal process
Hyperbolic process

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Engineering Thermodynamics
Reversed joule cycle is called

Brayton cycle
Bell Coleman cycle
Rankine cycle
Carnot cycle

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Engineering Thermodynamics
For which of the following substances, the gas laws can be used with minimum error

Superheated steam
Dry steam
Wet steam
Saturated steam

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MORE MCQ ON Engineering Thermodynamics

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