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Engineering Thermodynamics

Engineering Thermodynamics
The statement that molecular weights of all gases occupy the same volume is known as

Gas law
Avogadro's hypothesis
Law of thermodynamics
Dalton's law

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Engineering Thermodynamics
Calorie is a measure of

Quantity of heat
Specific heat
Entropy
Thermal capacity

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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.

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

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Engineering Thermodynamics
The index of compression ‘n’ tends to reach ratio of specific heats ‘y’ when

Process is isentropic
Process is isentropic and specific heat does not change with temperature
Flow is uniform and steady
Process is isothermal

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Engineering Thermodynamics
One kg of carbon monoxide requires __________ kg of oxygen to produce 11/7 kg of carbon dioxide gas.

9/7
All of the listed here
4/7
11/4

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Engineering Thermodynamics
Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle

Combustion is at constant volume
Heat rejection is lower
Maximum temperature is higher
Expansion and compression are isentropic

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