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Engineering Thermodynamics

Engineering Thermodynamics
The hyperbolic process is governed by

Boyle's law
Gay-Lussac law
Avogadro's law
Charles' law

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

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

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

43834
Zero
2
43835

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Engineering Thermodynamics
In S. I. units, the value of the universal gas constant is

83.14 J/kg mole-K
831.4 J/kg mole-K
8314 J/kg mole-K
8.314 J/kg mole-K

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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

114 kJ
54 kJ
30 kJ
84 kJ

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Engineering Thermodynamics
The compression ratio is the ratio of

Total volume to clearance volume
Total volume to swept volume
Swept volume to clearance volume
Swept volume to total volume

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MORE MCQ ON Engineering Thermodynamics

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