Chemical Engineering MCQs

A. Ethanolamine
B. K2co3
C. Hcl
D. Vacuum gas oil

A. Increases
B. Decreases
C. Remain same
D. Either a. or b., depends on the system

A. Yes
B. Normally not; but is possible if infinite number of plates are put
C. Never
D. Yes; if the reflux ratio is maximum

A. Classification
B. Sedimentation
C. Clarification
D. Leaching

A. Film
B. Penetration
C. Surface-renewal
D. None of these

A. D ∝ p0.5
B. D ∝ 1/p0.5
C. D ∝ 1/p
D. D ∝ 1/p1.5

A. Increases
B. Decreases
C. Remains unchanged
D. Decreases exponentially

A. Extractive
B. Azeotropic
C. Steam
D. Molecular

A. Drift
B. Blow down
C. Vapor load
D. None of these

TraNsfer operations.
A. Sherwood number in mass transfer is analogous to nusselt number in heat transfer
B. Prandtl number in heat transfer is analogous to schmidt number in mass transfer
C. Reynolds number in mass transfer is analogous to grashoff number in heat transfer