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Engineering Thermodynamics

Engineering Thermodynamics
The same volume of all gases would represent their

Specific weights
Molecular weights
Gas characteristic constants
Densities

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Engineering Thermodynamics
The compression ratio for petrol engines is

5 to 8
15 to 30
10 to 20
3 to 6

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Engineering Thermodynamics
For a thermodynamic process to be reversible, the temperature difference between hot body and working substance should be

Zero
Minimum
Maximum
Infinity

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Engineering Thermodynamics
For which of the following substances, the internal energy and enthalpy are the functions of temperature only

Water
Saturated steam
Perfect gas
Any gas

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Engineering Thermodynamics
For same compression ratio and for same heat added

Both Otto and Diesel cycles are equally efficient
Efficiency depends on other factors
Diesel cycle is more efficient than Otto cycle
Otto cycle is more efficient than Diesel cycle

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Engineering Thermodynamics
The statement that molecular weights of all gases occupy the same volume is known as

Dalton's law
Avogadro's hypothesis
Gas law
Law of thermodynamics

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MORE MCQ ON Engineering Thermodynamics

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