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Engineering Thermodynamics

Engineering Thermodynamics
The efficiency of Carnot cycle is maximum for

Gas engine
Steam engine
Reversible engine
Petrol engine

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Engineering Thermodynamics
Minimum work in compressor is possible when the value of adiabatic index ‘n’ is equal to

1.27
0.75
1.35
1

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Engineering Thermodynamics
For the same compression ratio, the efficiency of dual combustion cycle is

Greater than Diesel cycle
Less than Diesel cycle
Greater than Diesel cycle and less than Otto cycle
Less than Diesel cycle and greater than Otto cycle

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Engineering Thermodynamics
All perfect gases change in volume by 1/273th of its original volume at 0°C for every 1°C change in temperature, when the pressure remains constant. This statement is called

Charles' law
Gay-Lussac law
Boyle's law
Joule's law

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Engineering Thermodynamics
A series of operations, which takes place in a certain order and restore the initial conditions at the end, is known as

Irreversible cycle
Thermodynamic cycle
Reversible cycle
None of these

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Engineering Thermodynamics
The oxygen atom is ________ times heavier than the hydrogen atom.

16
32
2
8

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MORE MCQ ON Engineering Thermodynamics

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