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Engineering Thermodynamics

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

Carnot cycle
Otto cycle
Stirling cycle
None of the listed here

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Engineering Thermodynamics
When cut-off ratio is ________; the efficiency of Diesel cycle approaches to Otto cycle efficiency

43834
2
43835
Zero

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Engineering Thermodynamics
The compression ratio is the ratio of

Total volume to swept volume
Total volume to clearance volume
Swept volume to clearance volume
Swept volume to total volume

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Engineering Thermodynamics
The general gas energy equation is (where Q1 - 2 = Heat supplied, dU = Change in internal energy, and W1 - 2 = Work done in heat units)

Q1 - 2 = dU + W1 - 2
Q1 - 2 = dU/W1 - 2
Q1 - 2 = dU - W1 - 2
Q1 - 2 = dU × W1 - 2

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Engineering Thermodynamics
The amount of heat required to raise the temperature of 1 kg of water through one Kelvin is called

Specific heat at constant pressure
None of these
kilo-Joule
Specific heat at constant volume

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Engineering Thermodynamics
For which of the following substances, the gas laws can be used with minimum error

Saturated steam
Dry steam
Superheated steam
Wet steam

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MORE MCQ ON Engineering Thermodynamics

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