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Engineering Thermodynamics

Engineering Thermodynamics
Which law states that the internal energy of a gas is a function of temperature?

Charles' law
There is no such law
Boyle's law
Joule's law

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Engineering Thermodynamics
General gas equation is

PV=KiRT
PV = C
PV=mRT
PV=nRT

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Engineering Thermodynamics
The efficiency of Diesel cycle increases with

Constant cut-off
Increase in cut-off
Decrease in cut-off
None of these

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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

84 kJ
114 kJ
54 kJ
30 kJ

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Engineering Thermodynamics
The entropy may be expressed as a function of

Heat and work
Pressure and temperature
Temperature and volume
All of these

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

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

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