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Engineering Thermodynamics

Engineering Thermodynamics
The natural petroleum may be separated into

Lubricating oil
Petrol
Kerosene
Fuel oil

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Engineering Thermodynamics
The polytropic index (n) is given by

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

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Engineering Thermodynamics
The reading of the pressure gauge fitted on a vessel is 25 bar. The atmospheric pressure is 1.03 bar and the value of 'g' is 9.81 m/s2. The absolute pressure in the vessel is

26.03 bar
23.97 bar
25 bar
34.81 bar

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Engineering Thermodynamics
Which law states that the specific heat of a gas remains constant at all temperatures and pressures?

Joule's Law
Regnault's Law
Charles' Law
Boyle's Law

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Engineering Thermodynamics
An open cycle gas turbine works on

Carnot cycle
Joule's cycle
Stirling cycle
Otto cycle

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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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