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Engineering Thermodynamics

Engineering Thermodynamics
The value of gas constant (R) in S. I. units is

287 J/kgK
0.287 J/kgK
2.87 J/kgK
28.7 J/kgK

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Engineering Thermodynamics
The total energy of a molecule is shared equally by the various degrees of freedom possessed by it. This law is known as

Law of equipartition of energy
None of the listed here
Law of degradation of energy
Law of conservation of energy

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Engineering Thermodynamics
If in the equation pvn = C, the value of n = ∝, then the process is called

Isothermal process
Constant volume process
Constant pressure process
Adiabatic process

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Engineering Thermodynamics
The specific heat of water is

2.512
None of these
4.187
1.817

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Engineering Thermodynamics
One molecule of oxygen consists of __________ atoms of oxygen.

8
4
16
2

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Engineering Thermodynamics
An adiabatic process is one in which

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

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