Chemical Engineering MCQs

6108 MCQs  (Page 112 of 611)

Attempt Chemical Engineering Quiz
Which of the following coals has the highest calorific value ?
A. Lignite
B. Sub-bituminous
C. Anthracite
D. Peat
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Molecular weights of polymers are in the range of__________________ ?
A. 102 – 102
B. 105 – 109
C. 102 – 107
D. 109 – 1011
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Finely ground calcium aluminate & silicate is a/an ____________________?
A. Cermet
B. Cement
C. Abrasive
D. Explosive
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Transportation of 35% oleum during winter suffers from the problem of freezing, which can be overcome by the addition of small quantity of_____________________?
A. Nitric acid
B. Hydrochloric acid
C. Methyl alcohol
D. Formic acid
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The main component of Pyrex glass is_____________________?
A. Zinc
B. Lead
C. Boron
D. Selenium
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Graphite is a/an________________________?
A. Electrical insulator
B. Allotrope of carbon
C. Moderator used in nuclear reactor
D. Both b. and c.
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Calcination of limestone is not done in a ______________ kiln for producing lime ?
A. Vertical shaft
B. Rotary
C. Fluidised bed
D. Fixed bed
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Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt in a burner, because__________________?
A. Its calorific value is very less
B. Tar neutralises the residual acids present in pitch
C. It reduces viscosity and imparts fluidity for its transportation through pipelines at economic
PreSsure drop
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The terminology ‘BTX’ used in coal tar distillation industry refers to___________________?
A. Benzol-toluol-xylol
B. Benzol-toluene-xylene
C. Benzene-toluol-xylol
D. Benzene-toluene-xylene
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Pick out the endothermic reaction out of the following ?
A. C+ ½o2 = co
B. Co + 3h2 = ch4 + h2o
C. Caco3 = cao + co2
D. Co + ½o2 = co2
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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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