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Engineering Thermodynamics

Engineering Thermodynamics
1 kgf/cm² is equal to

760 mm Hg
735.6 mm Hg
1 mm Hg
Zero mm Hg

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Engineering Thermodynamics
A mixture of gas expands from 0.03 m3 to 0.06 m3 at a constant pressure of 1 MPa and absorbs 84 kJ of heat during the process. The change in internal energy of the mixture is

30 kJ
54 kJ
114 kJ
84 kJ

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Engineering Thermodynamics
Carnot cycle efficiency is maximum when

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

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Engineering Thermodynamics
If a gas vapour is allowed to expand through a very minute aperture, then such a process is known as

Hyperbolic expansion
Throttling
Adiabatic expansion
Free expansion

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

Entropy
Enthalpy
Volume
Mass

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Engineering Thermodynamics
Which of the following is an intensive property of a thermodynamic system?

Volume
Temperature
Mass
Energy

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