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Engineering Thermodynamics

Engineering Thermodynamics
Which of the following processes is irreversible process?

Throttling
Isothermal
Adiabatic
All of these

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Engineering Thermodynamics
Which of the following has the minimum atomic mass?

Carbon
Sulphur
Nitrogen
Oxygen

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Engineering Thermodynamics
The same volume of all gases would represent their

Molecular weights
Specific weights
Gas characteristic constants
Densities

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Engineering Thermodynamics
For a thermodynamic process to be reversible, the temperature difference between hot body and working substance should be

Maximum
Infinity
Minimum
Zero

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Engineering Thermodynamics
A path 1-2-3 is given. A system absorbs 100 kJ as heat and does 60 kJ of work while along the path 1-4-3, it does 20 kJ of work. The heat absorbed during the cycle 1-4-3 is

-40 kJ
+60 kJ
-140 kJ
-80 kJ

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Engineering Thermodynamics
The efficiency of Stirling cycle is __________ Carnot cycle.

Less than
Equal to
Greater than
None of these

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MORE MCQ ON Engineering Thermodynamics

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