Chemical Engineering MCQs

A. 0.1
B. 1
C. 5
D. 25

A. 1-2
B. 5-10
C. 150-300
D. 2000-3000

A. Simple filtration
B. Oxidation followed by settling & filtration
C. Chemical coagulation
D. Chlorination only

A. 0.5
B. 17
C. 357
D. 1097

A. Destroys/removes pathogen from the sewage
B. Is not very effective for non-biodegradable substances (e.g. abs) containing effluents
C. Destroys/removes pathogen much more effectively if the sewage is chlorinated
D. All a., b. & c.

A. Dental cavity
B. Tooth decay
C. Fluorosis
D. Respiratory disease

A. Photochemical smog
B. Peroxyacetyl nitrate (pan) or methyl nitrite
C. Benzopyrene
D. Polyacrylonitrile

A. 5
B. 100
C. 250
D. 500

A. 50
B. 1000
C. 2000
D. 5000

A. Organic
B. Fatty
C. Inorganic
D. Dissolved