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Engineering Thermodynamics

Engineering Thermodynamics
The atomic mass of nitrogen is __________ oxygen.

Less than
Equal to
None of these
More than

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Engineering Thermodynamics
For a perfect gas, according to Boyle’s law (where P = Absolute pressure, V = Volume and T = Absolute temperature)

T/P = constant, if v is kept constant
V/T = constant, if p is kept constant
P/T = constant, if v is kept constant
P v = constant, if T is kept constant

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Engineering Thermodynamics
The pressure of a gas in terms of its mean kinetic energy per unit volume 'E' is equal to

3E/4
E/3
E/2
2E/3

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Engineering Thermodynamics
Otto cycle is also known as

Constant volume cycle
Constant temperature and pressure cycle
Constant temperature cycle
Constant pressure cycle

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Engineering Thermodynamics
The measurement of a thermodynamic property known as temperature is based on

Zeroth law of thermodynamics
Second law of thermodynamics
None of these
First law of thermodynamics

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Engineering Thermodynamics
Second law of thermodynamics defines

Entropy
Work
Heat
Internal energy

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