M C Q s D r i v e

Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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Chemical Engineering MCQs designed for job test and interview preparation, particularly for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover important topics such as the fundamentals of chemical engineering, chemical processes, chemical reactions, process control, and instrumentation, along with other key concepts in the field.

Glycerine is recovered from lye by ___________________?
A Evaporation followed by vacuum distillation
B Liquid extraction technique
C Extractive distillation technique
D None of these
Correct Answer: Evaporation followed by vacuum distillation
Which of the following is not an antibiotic ?
A Penicillin
B Streptomycin
C Tetracycline
D Quinine
Correct Answer: Quinine
Enzymes are organic catalysts used in the ____________________ reactions ?
A Chemical
B Biochemical
C Photochemical
D Electrochemical
Correct Answer: Biochemical
Rosin soap is added during paper manufacture to____________________?
A Impart adhesive properties
B Improve opacity
C Impart resistance to penetration by liquids
D None of these
Correct Answer: Impart resistance to penetration by liquids
Solvay process is used for the manufacture of____________________?
A Caustic soda
B Soda ash
C Caustic potash
D Soda lime
Correct Answer: Soda ash
The purpose of tanning in leather industry is to____________________?
A Stiffen the leather
B Smoothen the leather
C Make it flexible
D Impart water resistance
Correct Answer: Stiffen the leather
The amount of benzene present in pure Benzol is about _______________ percent ?
A 30
B 50
C 70
D 90
Correct Answer: 70
Glycerine is a by-product of the ________________ industry ?
A Soap
B Detergent
C Oil hydrogenation
D Paint
Correct Answer: Soap
Refractory bricks having high thermal conductivity is desirable, when it is to be used in the _________________?
A L.D. converter
B Blast furnace
C Rotary kiln
D Recuperator
Correct Answer: Recuperator
Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on ____________________?
A Slaked lime
B Soda lime
C Calcium perchlorate
D None of these
Correct Answer: Slaked lime