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Engineering Thermodynamics

Engineering Thermodynamics
One kilowatt is equal to

1 × 106 N-m/s
100 N-m
1000 N-m/s
1 N-m/s

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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.

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

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Engineering Thermodynamics
The gas constant (R) is equal to the

Product of two specific heats
Difference of two specific heats
Sum of two specific heats
Ratio of two specific heats

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Engineering Thermodynamics
Absolute zero pressure will occur

When molecular momentum of the system becomes zero
At a temperature of 273°K
At sea level
Under vacuum conditions

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Engineering Thermodynamics
If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to

+ve
Anywhere between zero and infinity
Zero
-ve

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Engineering Thermodynamics
The unit of universal gas constant is

None of these

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