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Engineering Thermodynamics

Engineering Thermodynamics
The same volume of all gases would represent their

Specific weights
Densities
Molecular weights
Gas characteristic constants

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Engineering Thermodynamics
The efficiency of Carnot cycle is maximum for

Gas engine
Petrol engine
Reversible engine
Steam engine

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Engineering Thermodynamics
The kinetic energy per kg molecule of any gas at absolute temperature T is equal to (where Ru = Universal gas constant)

2 Ru × T
Ru × T
3 Ru × T
1.5 Ru × T

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Engineering Thermodynamics
Work done in a free expansion process is

Minimum
Zero
Positive
Maximum

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Engineering Thermodynamics
The ideal efficiency of a Brayton cycle without regeneration, with increase in pressure ratio will

Increase/decrease depending on application
Decrease
Increase
Remain unchanged

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Engineering Thermodynamics
A cycle consisting of two constant pressure and two isentropic processes is known as

Otto cycle
Carnot cycle
None of the listed here
Stirling cycle

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MORE MCQ ON Engineering Thermodynamics

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