Chemical Engineering MCQs

6108 MCQs  (Page 128 of 611)

Attempt Chemical Engineering Quiz
Fermentator temperature during production of alcohol from molasses is around ______________ °C?
A. 5
B. 30
C. 130
D. 300
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Platinum is a versatile catalyst for many processes in chemical industries. It is highly prone to be poisoned by the presence of_________________?
A. Carbon
B. Arsenic
C. Lead
D. Sulphur
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Neoprene is chemically known as___________________?
A. Polybutadiene
B. Styrene butadiene rubber (sbr)
C. Polyurethane
D. Polychlorophrene
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Nitro-glycerine absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as controlled explosive called dynamite. The raw material used for its manufacture are glycerine, nitric acid and___________________?
A. Sulphuric acid
B. Phosphoric acid
C. Hydrochloric acid
D. Hydrofluoric acid
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Function of sodium thiosulphate (hypo) in development of photographic film/plate is to______________?
A. Brighten the faint images
B. Remove metallic silver
C. Convert silver chloride to silver
D. Remove unexposed silver halide
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Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is ______________ °C?
A. 25
B. 60-70
C. 150-200
D. 250-300
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Cement mainly contains_________________?
A. Cao, sio2, al2o3
B. Mgo, sio2, k2o
C. Al2o3, mgo, fe2o3
D. Cao, mgo, k2o
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In the Lurgi coal gasifier_________________?
A. Coking coals cannot be used
B. Low carbon conversion efficiency is achieved
C. Entrainment of solids is higher
D. Large quantity of coal can be processed
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Claude process of gas liquefaction employs___________________?
A. Merely compression of gas beyond its critical pressure
B. Joule-thomson expansion cooling
C. Heat exchange with colder stream
D. Adiabatic expansion against a piston or in a turbine
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Cellulose percentage in bamboo fibre is about_________________?
A. 10
B. 20
C. 50
D. 85
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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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