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Engineering Thermodynamics

Engineering Thermodynamics
Which of the following has the minimum atomic mass?

Sulphur
Nitrogen
Carbon
Oxygen

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Engineering Thermodynamics
Boyle's law i.e. pV = constant is applicable to gases under

All ranges of pressures
Only small range of pressures
Steady change of pressures
High range of pressures

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Engineering Thermodynamics
The state of a substance whose evaporation from its liquid state is complete, is known as

Steam
Air
Vapour
Perfect gas

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Engineering Thermodynamics
For the same compression ratio, the efficiency of Diesel cycle is __________ Otto cycle.

Less than
Greater than
None of these
Equal to

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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
11/7
9/7
7/4

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Engineering Thermodynamics
When the gas is heated at constant pressure, the heat supplied

Increases the temperature of the gas
Increases the internal energy of the gas
Both (B) and (C)
Does some external work during expansion

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MORE MCQ ON Engineering Thermodynamics

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