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Engineering Thermodynamics

Engineering Thermodynamics
Which of the following parameters is constant for a mole for most of the gases at a given temperature and pressure

Volume
Entropy
Enthalpy
Mass

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Engineering Thermodynamics
For same compression ratio and for same heat added

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

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Engineering Thermodynamics
If in the equation pvn = C, the value of n = ∝, then the process is called

Isothermal process
Adiabatic process
Constant volume process
Constant pressure process

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Engineering Thermodynamics
Carnot cycle efficiency is maximum when

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

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Engineering Thermodynamics
Work done in an adiabatic process between a given pair of end states depends on

The value of heat transferred
The end states only
The value of index ‘n’
Particular adiabatic process

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Engineering Thermodynamics
The standard value of atmospheric pressure taken at sea level is

760 mm of Hg
All of these
1013 × 102 N/m2
1.013 bar

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MORE MCQ ON Engineering Thermodynamics

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