Chemical Engineering MCQs

6108 MCQs  (Page 101 of 611)

Penicillin is separated from fermented broth by ____________________?
A. Extraction with amyl or butyl acetate
B. Ternary azeotropic distillation
C. Evaporator in calandria
D. Extractive distillation
Hydrocyanic acid (HCN) is used as an insecticide for____________________?
A. Controlling timber degradation by ants
B. Controlling poultry lice
C. Potato beetle
D. Citrus fruits
Favourable conditions for the liquefaction of gases in general are _____________________?
A. High pressure & low temperature
B. Low pressure & high temperature
C. High pressure & high temperature
D. Low pressure & low temperature
Contact process of sulphuric acid manufacture ____________________?
A. Yields acid of higher concentration than chamber process
B. Yields acids of lower concentration than chamber process
C. Is obsolete
D. Eliminates absorber
Widely used method for the conditioning of boiler feed water is the ___________________?
A. Cold lime process
B. Coagulation
C. Hot-lime soda process
D. Sequestration