Chemical Engineering MCQs

6108 MCQs  (Page 117 of 611)

Attempt Chemical Engineering Quiz
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
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Solvay process is used for the manufacture of____________________?
A. Caustic soda
B. Soda ash
C. Caustic potash
D. Soda lime
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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
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Enzymes are organic catalysts used in the ____________________ reactions ?
A. Chemical
B. Biochemical
C. Photochemical
D. Electrochemical
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Which of the following is not an antibiotic ?
A. Penicillin
B. Streptomycin
C. Tetracycline
D. Quinine
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Glycerine is recovered from lye by ___________________?
A. Evaporation followed by vacuum distillation
B. Liquid extraction technique
C. Extractive distillation technique
D. None of these
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Salt is the basic raw material for the manufacture of____________________?
A. Cement
B. Glass
C. Potteries
D. Caustic soda
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Hydrogenation of oil takes place in a/an ____________________ reactor ?
A. Autothermal
B. Trickle bed
C. Plug flow
D. None of these
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Na2CO3 is called _________________?
A. Washing soda
B. Soda ash
C. Plaster of paris
D. Calcite
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A mineral is termed as ‘ore’, if ____________________?
A. A metal can be economically extracted from it
B. It contains ≥ 40% metal
C. The metal present in it is costly
D. All a , b. and c.
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Word of the Day
25 Jul
January
a preference or special liking for something; a bias in favour of something.
2021:00:00

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