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Engineering Thermodynamics

Engineering Thermodynamics
The kinetic energy per kg molecule of any gas at absolute temperature T is equal to (where Ru = Universal gas constant)

Ru × T
3 Ru × T
1.5 Ru × T
2 Ru × T

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Engineering Thermodynamics
Isochoric process is one in which

Free expansion takes place
No mechanical work is done by the system
All parameters remain constant
Very little mechanical work is done by the system

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Engineering Thermodynamics
Kinetic energy of the molecules in terms of absolute temperature (T) is proportional to

J
J²
T
Vr

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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

23.97 bar
34.81 bar
25 bar
26.03 bar

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Engineering Thermodynamics
A perfect gas at 27°C is heated at constant pressure till its volume is double. The final temperature is

654°C
54°C
327°C
108°C

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Engineering Thermodynamics
The temperature at which the volume of a gas becomes zero is called

Absolute zero temperature
Absolute scale of temperature
None of these
Absolute temperature

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MORE MCQ ON Engineering Thermodynamics

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