Chemical Engineering Thermodynamics MCQ Questions & Answers | Chemical Engineering

A. Low pressure and high temperature

B. Low pressure and low temperature

C. Low temperature and high pressure

D. High temperature and high pressure

A. At low temperature and high pressure

B. At standard state

C. Both A and B

D. In ideal state

A. Lewis-Randall

B. Margules

C. Van Laar

D. Both B & C

A. If an insoluble gas is passed through a volatile liquid placed in a perfectly insulated container, the temperature of the liquid will increase

B. A process is irreversible as long as Δ S for the system is greater than zero

C. The mechanical work done by a system is always equal to ∫P.dV

D. The heat of formation of a compound is defined as the heat of reaction leading to the formation of the compound from its reactants

A. Molar concentration

B. Quantity (i.e. number of moles)

C. Both A and B

D. Neither A nor B

A. Surface tension of a substance vanishes at critical point, as there is no distinction between liquid and vapour phases at its critical point

B. Entropy of a system decreases with the evolution of heat

C. Change of internal energy is negative for exothermic reactions

D. The accentric factor for all materials is always more than one

A. Low T, low P

B. High T, high P

C. Low T, high P

D. High T, low P

A. Same as Carnot cycle

B. Same as reverse Carnot cycle

C. Dependent on the refrigerant's properties

D. The least efficient of all refrigeration processes

A. Equal to its density

B. The reciprocal of its density

C. Proportional to pressure

D. None of these

A. The concentration of each component should be same in the two phases

B. The temperature of each phase should be same

C. The pressure should be same in the two phases

D. The chemical potential of each component should be same in the two phases