Chemical Engineering Thermodynamics MCQ Questions & Answers | Chemical Engineering

A. Decreases in all spontaneous (or irreversible) processes

B. Change during a spontaneous process has a negative value

C. Remains unchanged in reversible processes carried at constant temperature and pressure

D. All of the above

A. Work required to refrigeration obtained

B. Refrigeration obtained to the work required

C. Lower to higher temperature

D. Higher to lower temperature

A. 0

B. ∞

C. +ve

D. -ve

A. Escaping tendencies of the same substance in different phases of a system

B. Relative volatility of a mixture of two miscible liquids

C. Behaviour of ideal gases

D. None of these

A. Representing actual behaviour of real gases

B. Representing actual behaviour of ideal gases

C. The study of chemical equilibria involving gases at atmospheric pressure

D. None of these

A. Not changed

B. Decreasing

C. Increasing

D. Data sufficient, can't be predicted

A. Bertholet equation

B. Clausius Clayperon equation

C. Beattie-Bridgeman equation

D. None of these

A. Minimum number of degree of freedom of a system is zero

B. Degree of freedom of a system containing a gaseous mixture of helium, carbon dioxide and hydrogen is 4

C. For a two phase system in equilibrium made up of four non-reacting chemical species, the number of degrees of freedom is 4

D. Enthalpy and internal energy change is zero during phase change processes like melting, vaporisation and sublimation

A. $$\left( {{\text{p}} + \frac{{\text{a}}}{{{{\text{V}}^2}}}} \right)\left( {{\text{V}} - {\text{b}}} \right) = {\text{nRT}}$$

B. PV = nRT

C. $${\text{PV}} = {\text{A}} + \frac{{\text{B}}}{{\text{V}}} + \frac{{\text{C}}}{{{{\text{V}}^2}}} + \frac{{\text{D}}}{{{{\text{V}}^3}}} + \,...$$

D. None of the above

A. First law

B. Zeroth law

C. Third law

D. Second law