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Engineering Thermodynamics

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

Greater than
None of these
Less than
Equal to

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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
54 kJ
114 kJ
84 kJ

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Engineering Thermodynamics
The hyperbolic process is governed by

Boyle's law
Gay-Lussac law
Avogadro's law
Charles' law

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Engineering Thermodynamics
The ultimate analysis of coal consists of the determination of the percentage of

All of the listed here
Carbon
Sulphur and ash
Hydrogen and nitrogen

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Engineering Thermodynamics
The efficiency of a Carnot engine depends on

Temperatures of source and sink
Working substance
Design of engine
Size of engine

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Engineering Thermodynamics
The heat and work are mutually convertible. This statement is called ___ law of thermodynamics.

Third
Zeroth
Second
First

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