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Engineering Thermodynamics

Engineering Thermodynamics
If value of n is infinitely large in a polytropic process pVn = C, then the process is known as constant

Volume
Temperature
Enthalpy
Pressure

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Engineering Thermodynamics
One molecule of oxygen consists of __________ atoms of oxygen.

4
2
16
8

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Engineering Thermodynamics
If a certain amount of dry ice is mixed with same amount of water at 80°C, the final temperature of mixture will be

80°C
0°C
20°C
40°C

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Engineering Thermodynamics
When gas is heated at constant pressure, the heat supplied is utilized in

Doing some external work
Increasing the internal energy of gas and also for doing some external work
Increasing the internal energy of gas
None of these

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Engineering Thermodynamics
1 kgf/cm² is equal to

1 mm Hg
760 mm Hg
Zero mm Hg
735.6 mm Hg

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Engineering Thermodynamics
The value of the product of molecular weight and the gas characteristic constant for all the gases in M.K.S. unit is

848 kgfm/mol °K
29.27 kgfm/mol °K
427 kgfm/mol °K
8314 kgfm/mol °K

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MORE MCQ ON Engineering Thermodynamics

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