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Engineering Thermodynamics

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

Increases
Decreases
Remains constant
None of these

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Engineering Thermodynamics
The change of entropy, when heat is absorbed by the gas, is

Negative
None of these
Positive or negative
Positive

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Engineering Thermodynamics
When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel, the process is known as __________ of fuel.

Combustion
Carbonization
Atomization
None of these

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Engineering Thermodynamics
The ultimate analysis of coal consists of the determination of the percentage of

All of the listed here
Carbon
Sulphur and ash
Hydrogen and nitrogen

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

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

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Engineering Thermodynamics
The standard value of atmospheric pressure taken at sea level is

1.013 bar
All of these
760 mm of Hg
1013 × 102 N/m2

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