Basic Chemical Engineering MCQs

Batch process is preferred over continuous process, when the

by
A. Product yields and quality can not be achieved in continuous process, because of long residence time
B. Sales demand of product is not steady
C. Same equipment can not be used for several processes of the same nature
D. All of the above
✅ The correct answer is option B.

Consider the equilibrium A(g) + B(g) = AB(g). When the partial pressure of A is 10⁻² atm, the partial pressure of B is 10⁻³ atm and the partial pressure of AB is 1 atm, the equilibrium constant ‘K’ is

by
A. 10 atmv
B. 10⁵ atm⁻¹
C. 10 (dimensionless)
D. 10⁵ (dimensionless)
✅ The correct answer is option B.

Pick out the wrong statement about nucleate boiling.

by
A. Bubble generation is by expansion of entrapped gas/vapour at small cavities in the surface
B. Surface temperature is greater than the saturation temperature of the liquid
C. Heat transfer from the surface of the liquid is less than that in film boiling
D. The temperature is less than that of film boiling
✅ The correct answer is option D.