Chemical Engineering MCQs

6108 MCQs  (Page 106 of 611)

Attempt Chemical Engineering Quiz
Hydrogen gas is not produced commercially (for nitrogenous fertiliser manufacture) by _____________________?
A. Iron-steam reaction
B. Electrolysis of water
C. Steam reforming of naphtha
D. Its cryogenic separation from coke oven gas
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______________ is an ore of lead?
A. Quartz
B. Galena
C. Siderite
D. Chalcopyrite
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Presence of H2S in raw water (to be chlorinated) results in the_____________________?
A. Reduced softening capacity of zeolite
B. Increased dosage of chlorine to provide a disinfecting residual in the water
C. Easy removal of its hardness
D. None of these
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Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers from the drawback like_________________?
A. High cost
B. Fragile nature
C. Easy posioning tendency
D. All a, b. and c.
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Separation of fresh water from sea water can be done by the _______________ operation ?
A. Osmosis
B. Reverse osmosis
C. Absorption
D. Adsorption
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The main use of activated carbon in water treatment is to control ___________________?
A. Bacterial growth
B. Taste and odour
C. Turbidity
D. None of these
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Fatty material used in soap making is _______________________?
A. Fatty acid
B. Fatty alcohols
C. Tallow
D. Detergents
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Percentage of alcohol in beer may be around ______________________ percent?
A. 2-8
B. 18-23
C. 27-32
D. 1-4
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Salt is added in the kettle during soap manufacture to separate ___________________?
A. Soap from lye
B. Glycerine from lye
C. The metallic soap
D. The unsaponified fat from soap
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The main product of high temperature carbonisation of coal is_____________________?
A. Coke
B. Ammonia
C. Tar
D. Phenol
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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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