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Engineering Thermodynamics

Engineering Thermodynamics
The process is adiabatic, if the value of n in the equation pvn = C, is

One
Zero
∝
γ

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Engineering Thermodynamics
Carnot cycle efficiency is maximum when

Final temperature is 0°K
Final temperature is 0°C
Difference between initial and final temperature is 0°K
Initial temperature is 0°K

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Engineering Thermodynamics
The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and γ = Ratio of specific heats)

1 + rγ - 1
1 - (1/ rγ - 1)
1 + (1/ rγ - 1)
1 - rγ - 1

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Engineering Thermodynamics
The same volume of all gases would represent their

Densities
Gas characteristic constants
Specific weights
Molecular weights

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Engineering Thermodynamics
The efficiency of a Carnot engine depends on

Design of engine
Working substance
Temperatures of source and sink
Size of engine

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Engineering Thermodynamics
Calorie is a measure of

Thermal capacity
Quantity of heat
Entropy
Specific heat

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MORE MCQ ON Engineering Thermodynamics

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