Chemical Engineering MCQs

A. Exchange of heat with colder stream
B. Adiabatic expansion through a throttle valve (joule-thomson expansion)
C. Adiabatic expansion against a piston or in a turbine
D. Merely compressing the gas beyond its critical pressure

A. Polyvinyl chloride
B. Polythene
C. Bakelite
D. Teflon

A. Inhibits/destroys the growth of microorganisms
B. Is used as a pain reliever
C. Is an antimalarial
D. Is an anaesthetic

A. Remove lignin
B. Produce long fibres
C. Prevent deterioration on storage
D. None of these

A. Can be repeatedly melted
B. Is useful for melt casting
C. Cannot be melted after forming
D. Is useful for spinning

A. Decoloration
B. Hydrogenation
C. Oxidation
D. Purification

A. Pyrolysis of oil
B. Sintering of porous catalyst
C. Hydrogen embrittlement
D. All a, b. and c.

A. So2
B. H2so4
C. So3
D. So2 + h2so4

A. Magnesium & potassium compounds
B. Common salt
C. Bromine
D. Iodine

A. Lime
B. Sulphuric acid
C. Chlorine
D. Sodium bisulphite