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Engineering Thermodynamics

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

Greater than
Less than
None of these
Equal to

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Engineering Thermodynamics
A heat exchange process in which the product of pressure and volume remains constant is known as

Throttling process
Hyperbolic process
Isentropic process
Heat exchange process

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Engineering Thermodynamics
The general law for the expansion or compression of gases, is

pv = C
pvn = C
pvγ = C
pv = m R T

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Engineering Thermodynamics
Otto cycle is also known as

Constant volume cycle
Constant temperature and pressure cycle
Constant pressure cycle
Constant temperature cycle

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Engineering Thermodynamics
The gas turbine cycle with regenerator improves

Thermal efficiency
Work ratio
None of these
Avoid pollution

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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
84 kJ
114 kJ

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