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Engineering Thermodynamics

Engineering Thermodynamics
The polytropic index (n) is given by

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

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Engineering Thermodynamics
When a system changes its state from one equilibrium state to another equilibrium state, then the path of successive states through which the system has passed, is known as

Thermodynamic law
Thermodynamic process
None of the listed here
Thermodynamic cycle

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Engineering Thermodynamics
According to Kelvin-Planck's statement, a perpetual motion of the __________ is impossible.

Third kind
None of these
First kind
Second kind

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

Millimeter
Centimeter
Kilometer
Meter

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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)

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

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

Isentropic process
Hyperbolic process
Heat exchange process
Throttling process

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