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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

30 kJ
84 kJ
114 kJ
54 kJ

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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
Hyperbolic process
Isothermal process

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

Joule cycle
Stirling cycle
Otto cycle
Ericsson cycle

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Engineering Thermodynamics
Which of the following gas is mostly used in town for street and domestic lighting and heating?

Coke oven gas
Producer gas
Coal gas
Mond gas

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Engineering Thermodynamics
During throttling process

Heat exchange does not take place
No work is done by expanding steam
There is no change of internal energy of steam
All of these

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Engineering Thermodynamics
A process of heating crude oil to a high temperature under a very high pressure to increase the yield of lighter distillates, is known as

Cracking
Full distillation
Fractional distillation
Carbonization

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MORE MCQ ON Engineering Thermodynamics

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