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Engineering Thermodynamics

Engineering Thermodynamics
For reversible adiabatic process, change in entropy is

Negative
Minimum
Maximum
Zero

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Engineering Thermodynamics
For same compression ratio and for same heat added

Both Otto and Diesel cycles are equally efficient
Diesel cycle is more efficient than Otto cycle
Efficiency depends on other factors
Otto cycle is more efficient than Diesel cycle

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Engineering Thermodynamics
An open cycle gas turbine works on

Joule's cycle
Otto cycle
Carnot cycle
Stirling cycle

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Engineering Thermodynamics
Which of the following cycles has maximum efficiency?

Stirling
Rankine
Brayton
Carnot

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Engineering Thermodynamics
Which of the following processes is irreversible process?

All of these
Throttling
Adiabatic
Isothermal

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Engineering Thermodynamics
The ___ is obtained when carbonization of coal is carried out at 500° to 700° C.

Hard coal
Pulverized coal
Soft coal
Bituminous coal

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MORE MCQ ON Engineering Thermodynamics

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