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Engineering Thermodynamics

Engineering Thermodynamics
The amount of heat generated per kg of fuel is known as

Higher calorific value
Lower calorific value
Heat energy
Calorific value

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Engineering Thermodynamics
The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is

Equal to one
None of these
Greater than one
Less than one

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Engineering Thermodynamics
The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion)

v1/v2
(v1 + v2)/v1
v2/v1
(v1 + v2)/v2

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Engineering Thermodynamics
Stirling and Ericsson cycles are

Reversible cycles
Semi-reversible cycles
Irreversible cycles
Quasi-static cycles

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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

54 kJ
30 kJ
84 kJ
114 kJ

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Engineering Thermodynamics
The measurement of a thermodynamic property known as temperature is based on

Zeroth law of thermodynamics
First law of thermodynamics
None of these
Second law of thermodynamics

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MORE MCQ ON Engineering Thermodynamics

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