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Engineering Thermodynamics

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

None of these
Positive or negative
Positive
Negative

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Engineering Thermodynamics
The efficiency of Diesel cycle with decrease in cut-off

Increases
Decreases
First decreases and then increases
First increases and then decreases

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Engineering Thermodynamics
The fuel mostly used in blast furnace for extracting pig iron from iron ores is

Bituminous coal
Soft coke
Hard coke
Pulverized coal

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Engineering Thermodynamics
Which of the following parameters is constant for a mole for most of the gases at a given temperature and pressure

Mass
Volume
Enthalpy
Entropy

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Engineering Thermodynamics
Carnot cycle efficiency depends upon

Working condition
Properties of the medium/substance used
Temperature range of operation
Condition of engine

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Engineering Thermodynamics
Work done in a free expansion process is

Maximum
Positive
Minimum
Zero

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MORE MCQ ON Engineering Thermodynamics

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