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Engineering Thermodynamics

Engineering Thermodynamics
In an isothermal process, the internal energy

First increases and then decreases
Decreases
Remain constant
Increases

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

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

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Engineering Thermodynamics
The change of entropy, when heat is absorbed by the gas, is

Negative
Positive
Positive or negative
None of these

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Engineering Thermodynamics
Addition of heat at constant pressure to a gas results in

Raising its pressure
Raising its volume
Raising its temperature and doing external work
Raising its temperature

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Engineering Thermodynamics
The increase in entropy of a system represents

Decrease in pressure
Degradation of energy
Increase in availability of energy
Increase in temperature

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Engineering Thermodynamics
The fuel mostly used in cement industry and in metallurgical processes is

Coke
Pulverized coal
Wood charcoal
Bituminous coke

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MORE MCQ ON Engineering Thermodynamics

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