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Engineering Thermodynamics

Engineering Thermodynamics
The energy of molecular motion appears as

Friction
Potential energy
Surface tension
Heat

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Engineering Thermodynamics
One barometric pressure or 1 atmospheric pressure is equal to

1 kgf/cm²
0 kgf/cm²
1.033 kgf/cm²
1.0197 kgf/cm²

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

joule/s
Joule
watt
joule/m

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Engineering Thermodynamics
The efficiency of Diesel cycle depends upon

Pressure ratio
Cut-off ratio and compression ratio
Compression ratio
Temperature limits

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

Stirling cycle
Otto cycle
Carnot cycle
None of the listed here

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Engineering Thermodynamics
The polytropic index (n) is given by

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

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MORE MCQ ON Engineering Thermodynamics

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