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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
If heat contents of CH₄, C₂H₄ and C₃H₈ are -17.9, 12.5 and -24.8 kcal/mole respectively, than ΔH for the reaction CH₄(g) + C₂H₄(g) ⇋ C₃H₈(g) will be __________ Kcal.

-19.4
-30.2
-55.2
55.2

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Chemical Engineering Thermodynamics
Efficiency of a heat engine working on Carnot cycle between two temperature levels depends upon the

Two temperatures only
Mass of the working fluid
Pressure of working fluid
Mass and pressure both of the working fluid

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Chemical Engineering Thermodynamics
For a cyclic process, a fixed ratio between heat and work

May exist
Is difficult to predict
Always exists
Never exists

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Chemical Engineering Thermodynamics
The value of gas constant 'R' is

Neither A nor B
Both A and B
1.987 cal/gm mole °K
1.987 BTU/lb. mole °R

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Chemical Engineering Thermodynamics
If the molar heat capacities (Cp or Cv) of the reactants and products of a chemical reaction are identical, then, with the increase in temperature, the heat of reaction will

Increase or decrease ; depends on the particular reaction
Increase
Remain unaltered
Decrease

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Chemical Engineering Thermodynamics
Which of the following equations is used for the prediction of activity co-efficient from experiments?

Wilson's equation
All of these
Van Laar equation
Margules equation

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MORE MCQ ON Chemical Engineering Thermodynamics

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