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Chemical Engineering Thermodynamics

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

1000
349
651
667

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Chemical Engineering Thermodynamics
Mollier chart is a __________ plot.

Pressure vs enthalpy
Pressure vs volume
Enthalpy vs entropy
Temperature vs entropy

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Chemical Engineering Thermodynamics
Fugacity co-efficient of a substance is the ratio of its fugacity to

Mole fraction
Activity co-efficient
Activity
Pressure

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Chemical Engineering Thermodynamics
At 60° C, vapour pressure of methanol and water are 84.562 kPa and 19.953 kPa respectively. An aqueous solution of methanol at 60° C exerts a pressure of 39.223 kPa; the liquid phase and vapour phase mole fractions of methanol are 0.1686 and 0.5714 respectively. Activity co-efficient of methanol is

1.572
3.389
4.238
1.9398

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Chemical Engineering Thermodynamics
The amount of heat required to decompose a compound into its elements is __________ the heat of formation of that compound from its elements.

Same as
More than
Not related to
Less than

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Chemical Engineering Thermodynamics
Refrigerants commonly used for domestic refrigerators are

Propane
Ethyl chloride or methyle chloride
Freon-12
NH₃ or CO₂

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MORE MCQ ON Chemical Engineering Thermodynamics

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