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Engineering Thermodynamics

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
11/7
7/4
9/7

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Engineering Thermodynamics
The cycle in which heat is supplied at constant volume and rejected at constant pressure is known as

Atkinson cycle
Diesel cycle
Rankine cycle
Dual combustion cycle

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Engineering Thermodynamics
The value of the product of molecular weight and the gas characteristic constant for all the gases in S.I. units is

29.27 J/kmol °K
848 J/kmol °K
83.14 J/kmol °K
735 J/kmol °K

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Engineering Thermodynamics
Temperature of a gas is produced due to

Surface tension of molecules
Kinetic energy of molecules
Its heating value
Repulsion of molecules

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Engineering Thermodynamics
The energy of molecular motion appears as

Potential energy
Friction
Surface tension
Heat

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Engineering Thermodynamics
The throttling process is __________ process.

Reversible
Reversible or irreversible
Irreversible
None of these

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