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Engineering Thermodynamics

Engineering Thermodynamics
The general gas equation is (where p = Pressure, v = Volume, m = mass, T = Absolute temperature, and R = Gas constant)

pv = RTm
pv = (RT)m
pv = mRT
pvm = C

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

pvn = C
pv = C
pvγ = C
pv = m R T

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Engineering Thermodynamics
When cut-off ratio is ________; the efficiency of Diesel cycle approaches to Otto cycle efficiency

Zero
43834
2
43835

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

-1
2
1

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Engineering Thermodynamics
The first law of thermodynamics is the law of

Conservation of momentum
Conservation of heat
Conservation of energy
Conservation of mass

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Engineering Thermodynamics
In an irreversible process, there is a

No loss of heat
No gain of heat
Loss of heat
Gain of heat

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