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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)

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

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Engineering Thermodynamics
Addition of heat at constant pressure to a gas results in

Raising its temperature
Raising its volume
Raising its temperature and doing external work
Raising its pressure

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Engineering Thermodynamics
According to kinetic theory of gases, the velocity of molecules __________ with the increase in temperature.

Decreases
Remains constant
Increases
None of these

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Engineering Thermodynamics
The efficiency of Carnot cycle depends upon

Cut-off ratio and compression ratio
Temperature limits
Pressure ratio
Volume compression ratio

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Engineering Thermodynamics
The atomic mass of oxygen is

14
121
16
18

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Engineering Thermodynamics
An adiabatic process is one in which

The temperature of the gas changes
The change in internal energy is equal to the mechanical work done
All of these
No heat enters or leaves the gas

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MORE MCQ ON Engineering Thermodynamics

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