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

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Engineering Thermodynamics
During which of the following process does heat rejection takes place in Carnot cycle?

Isothermal compression
Isentropic compression
Isentropic expansion
Isothermal expansion

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Engineering Thermodynamics
One kilowatt is equal to

100 N-m
1 × 106 N-m/s
1 N-m/s
1000 N-m/s

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Engineering Thermodynamics
Which of the following is not the intensive property?

Temperature
Density
Heat
Pressure

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Engineering Thermodynamics
In an ideal gas turbine plant, it is assumed that the compression and expansion processes are

Polytropic
Isentropic
Isothermal
None of these

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Engineering Thermodynamics
The index of compression ‘n’ tends to reach ratio of specific heats ‘y’ when

Process is isothermal
Process is isentropic
Flow is uniform and steady
Process is isentropic and specific heat does not change with temperature

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