Chemical Engineering MCQs

A. Pipe vibrations
B. Cavitation
C. Boundary layer separation
D. Fluctuation in liquid flow

A. Diameter
B. Inlet gas velocity
C. Overall height
D. All a., b. & c.

A. Hydrocarbons
B. Nox
C. So2
D. Co

A. T = 15 – 0.0065h
B. T = 15 + 0.0065h
C. T = 0.0035h -15
D. T = 15 – 0.0035h

A. Bacterial stability factor
B. Relative stability
C. Biological oxygen demand (bod)
D. Oxygen ion concentration

A. Cancer
B. Asthma
C. Silicosis
D. Fluorosis (bone disease)

A. Undesirable plants growth
B. Depletion of oxygen
C. Fire hazards
D. Explosion hazards

A. Reduction in its dissolved oxygen content
B. Discoloration of bathroom fixtures
C. Temporary hardness
D. None of these

A. 0.001
B. 0.1
C. 1
D. 5

A. Coagulation and flocculation of colloids
B. Oxidation of carbonaceous matter to co2
C. Nitrification or oxidation of ammonia derived from breakdown of nitrogenous organic matter
To The nitrite and eventually to the nitrate