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Engineering Thermodynamics

Engineering Thermodynamics
A cycle consisting of two adiabatic and two constant pressure processes is known as

Ericsson cycle
Stirling cycle
Joule cycle
Otto cycle

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Engineering Thermodynamics
The unit of pressure in S.I. units is

mm of water column
Pascal
Dyne per square cm
kg/cm²

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Engineering Thermodynamics
The polytropic index (n) is given by

log (p2/ p1)/log (v1/ v2)
log [(p1v1)/(p2v2)]
log (v1/ v2)/ log (p1/p2)
log (p1p2)/log (v1v2)

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Engineering Thermodynamics
The energy of molecular motion appears as

Heat
Potential energy
Surface tension
Friction

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Engineering Thermodynamics
On volume basis, air contains following parts of oxygen

21
25
77
23

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Engineering Thermodynamics
The entropy of water at 0°C is assumed to be

1
-1
2

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MORE MCQ ON Engineering Thermodynamics

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