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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)

3 Ru × T
2 Ru × T
1.5 Ru × T
Ru × T

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Engineering Thermodynamics
The more effective way of increasing efficiency of Carnot engine is to

Increase lower temperature
Increase higher temperature
Decrease lower temperature
Decrease higher temperature

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

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

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Engineering Thermodynamics
One kg of carbon requires 4/3 kg of oxygen and produces ________ kg of carbon monoxide gas.

44015
44142
44138
44046

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Engineering Thermodynamics
One kg of ethylene (C2H4) requires 2 kg of oxygen and produces 22/7 kg of carbon dioxide and ___ kg of water or steam.

9/7
11/7
7/4
11/4

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

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

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MORE MCQ ON Engineering Thermodynamics

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