Chemical Engineering MCQs

6108 MCQs  (Page 111 of 611)

Attempt Chemical Engineering Quiz
Molasses is the starting material for the production of ___________________ ?
A. Alcohol
B. Essential oil
C. Fatty acids
D. Massecuite
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Prussian blue is chemically represented by__________________?
A. Feo.tio2
B. Ca so4 . 2h2o
C. Fe4 [fe (cn6)3]
D. Alf3 . 3naf
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Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used_______________________?
A. As a lubricant
B. As a rust preventive
C. In hard water for cleaning of cloth
D. As a foam depressant in distillation column
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Air used in aerobic fermentation must be sterilized, otherwise the ___________________?
A. Recovery of product will be difficult
B. Contamination of pure culture would result
C. Uniformity of product cannot be achieved
D. None of these
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Lime and soda ash are added to water to remove ___________________?
A. Bicarbonates & sulphates of calcium and magnesium
B. Undesirable taste and odour
C. Bacteria
D. Its corrosiveness
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Process conditions in fermentator used for production of penicillin is____________________?
A. 25°c, 2 atm
B. 50°c, l0 atm
C. 30°c, 200 mm hg (absolute)
D. 90°c, 45 atm
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Bromides contained in hot mother liquor is treated with ______________ during manufacture of bromine from sea water ?
A. So3
B. Cl2
C. Nh3
D. So2
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High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to__________________?
A. Flocculate the impurities
B. Facilitate fast filtration
C. Both a. and b.
D. Neither a. nor b.
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Mannheim furnace is used in the manufacture of_________________?
A. Hydrochloric acid
B. H2so4 by chamber process
C. Calcium carbide
D. Corundum
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Varnish does not contain____________________?
A. Pigment
B. Thinner
C. Dryer
D. Anti-skimming agent
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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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