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Engineering Thermodynamics

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

Zero
43835
2
43834

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Engineering Thermodynamics
Which of the following can be regarded as gas so that gas laws could be applicable, within the commonly encountered temperature limits?

O₂, N₂, steam, CO₂
SO₂, NH₃, CO₂, moisture
O₂, N₂, H₂, air
O₂, N₂, water vapour

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Engineering Thermodynamics
The measurement of a thermodynamic property known as temperature is based on

None of these
Second law of thermodynamics
Zeroth law of thermodynamics
First law of thermodynamics

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Engineering Thermodynamics
The ratio of molar specific heats for mono-atomic gas is

1.87
1.4
1.67
1

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Engineering Thermodynamics
The property of a working substance which increases or decreases as the heat is supplied or removed in a reversible manner, is known as

Enthalpy
External energy
Internal energy
Entropy

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Engineering Thermodynamics
To convert volumetric analysis to gravimetric analysis, the relative volume of each constituent of the flue gases is

Divided by its molecular weight
Multiplied by its molecular weight
Multiplied by its specific weight
Multiplied by its density

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