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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
A system is said to be at equilibrium, if the entropy of the system has reached __________ value.

None of these
Minimum
Maximum
Zero

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Chemical Engineering Thermodynamics
If the internal energy of an ideal gas decreases by the same amount as the work done by the system, then the

Process must be isobaric
Both listed here
Temperature must decrease
None of these

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Chemical Engineering Thermodynamics
A cyclic engine exchanges heat with two reservoirs maintained at 100 and 300°C respectively. The maximum work (in J) that can be obtained from 1000 J of heat extracted from the hot reservoir is

667
1000
651
349

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Chemical Engineering Thermodynamics
Compressibility factor for almost all the gases are approximately same at the same

Reduced pressure and reduced temperature
Pressure and temperature
None of these
Critical pressure and critical temperature

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Chemical Engineering Thermodynamics
The fusion of a crystalline solid at its melting point to form a liquid at the same temperature is accompanied by

No change in enthalpy
Decrease in enthalpy corresponding to evolution of heat
Decrease of entropy
Increase in enthalpy corresponding to absorption of heat

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Chemical Engineering Thermodynamics
Maximum work that could be secured by expanding the gas over a given pressure range is the __________ work.

None of these
Isothermal
Adiabatic
Isentropic

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