Chemical Engineering MCQs

6108 MCQs  (Page 115 of 611)

Attempt Chemical Engineering Quiz
______________ glass has the lowest co-efficient of thermal expansion and hence is more heat resistant ?
A. Pyrex
B. Soda lime
C. Lead
D. High silica
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Phthalic anhydride is used____________________?
A. In making pvc
B. As plasticisers
C. In insecticides manufacture
D. For making nylon-6
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Phenol is mainly used____________________?
A. To produce benzene
B. To produce phenol formaldehyde
C. To produce polyester resin
D. As a plasticiser for unsaturated polyester
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______________ is obtained as a by-product in the manufacture of sodium hydroxide using brine ?
A. Chlorine
B. Ammonium chloride
C. Sodium carbonate
D. Sodium bi-carbonate
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Solvent extracted oil________________?
A. Has low free fatty acid content
B. Is odourless
C. Has more of unsaturates
D. None of these
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Fish contains about _______________ percent oil ?
A. 5
B. 10
C. 20
D. 35
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DDT stands for___________________?
A. Diethyl-diphenyl-trichloromethane
B. Dichloro-diphenyl-trichloromethane
C. Diphenyl-dichloro-trichloromethane
D. Dichloro-diphenyl-trichloroethane
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Metallic soap is ________________ salt of fatty acids ?
A. Sodium
B. Potassium
C. Both sodium & potassium
D. Aluminium or calcium
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Function of thinner in a paint is to ______________________ ?
A. Accelerate the oxidation of oil
B. Prevent gelling of the paint
C. Suspend pigments & dissolve film forming materials
D. Form a protective film
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Polymethyl methacrylate (PMMA) is known as ____________________?
A. Bakelite
B. Teflon
C. Perspex
D. Nylon-6
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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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