Chemical Engineering MCQs

6108 MCQs  (Page 138 of 611)

Attempt Chemical Engineering Quiz
Carboxymethyl cellulose (CMC) is added in detergents to act as a/an___________________?
A. Surfactant
B. Builder
C. Optical brightening agent
D. Anti soil redeposition agent
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Kopper-Totzek coal gasifier_________________?
A. Can give ammonia synthesis gas (h2 + n2)
B. Is a moving bed reactor
C. Cannot use coking coal
D. Operate at very high pressure
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Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about _____________ percent?
A. 75
B. < 10
C. > 30
D. 50
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‘Synthesis gas’ meant for the synthesis of organic compound is a variable mixture of ____________________?
A. N2 & h2
B. Co2 & h2
C. Co & h2
D. C & h2
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Starting raw material for the manufacture of Maleic anhydride is___________________?
A. N-butene
B. Benzene
C. Either a. or b.
D. Neither a. nor b.
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Polyvinyl chloride (PVC) is____________________?
A. A thermosetting material
B. A condensation polymerisation product
C. Made by employing emulsion polymerisation
D. None of these
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The basic difference between vegetable oils and fats is in their ___________________?
A. Density
B. Chemical properties
C. Physical state
D. Composition
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Removal of dirt/soil by soaps or detergent does not involve the _______________ of soil ?
A. Emulsification
B. Dispersion
C. Precipitation
D. Wetting
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Drinking (potable) water treatment does not involve __________________?
A. Coagulation
B. Sedimentation
C. Softening
D. Disinfection
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Thorium is mainly used _______________?
A. For the manufacture of gas mantles
B. As a fissile fuel in a nuclear reactor
C. In the manufacture of hydrogen bomb
D. In the treatment of cancer
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Word of the Day
26 Jul
Simultaneously
at the same time.
ایک ہی وقت میں، ایک ساتھ، بیک وقت

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