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Engineering Thermodynamics

Engineering Thermodynamics
Reversed Joule cycle is known as

Rankine cycle
Bell-Coleman cycle
Stirling cycle
Carnot cycle

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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 + rγ - 1
1 - (1/ rγ - 1)

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Engineering Thermodynamics
The unit of length in S.I. units is

Millimeter
Meter
Kilometer
Centimeter

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Engineering Thermodynamics
Work done in a free expansion process is

Zero
Positive
Minimum
Maximum

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Engineering Thermodynamics
The efficiency of the Carnot cycle may be increased by

Increasing the lowest temperature
Decreasing the highest temperature
Increasing the highest temperature
Keeping the lowest temperature constant

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Engineering Thermodynamics
When a gas is heated, change takes place in

Temperature
Pressure
Volume
All of the listed here

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MORE MCQ ON Engineering Thermodynamics

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