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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

Enthalpy
Volume
Entropy
Mass

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Engineering Thermodynamics
Carnot cycle efficiency is maximum when

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

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Engineering Thermodynamics
Charles' law states that all perfect gases change in volume by __________ of its original volume at 0°C for every 1°C change in temperature, when pressure remains constant.

1/93th
1/273th
1/27th
1/173th

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Engineering Thermodynamics
The condition of perfect vacuum, i.e., absolute zero pressure can be attained at

A temperature of 0°C
A negative pressure and 0°C temperature
A temperature of - 273.16°C
A temperature of 273 °K

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

Centimeter
Millimeter
Meter
Kilometer

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Engineering Thermodynamics
Which of the following processes is irreversible process?

Throttling
Isothermal
All of these
Adiabatic

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MORE MCQ ON Engineering Thermodynamics

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