Chemical Engineering MCQs

6108 MCQs  (Page 285 of 611)

Attempt Chemical Engineering Quiz
Commercial production of polypropylene employs _____________ polymerisation?
A. Emulsion
B. Suspension
C. Solution
D. Bulk
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Rexine (also called artificial leather), which is used for making table cover, automobile seat cover, shoes etc. is made by coating thick cloth with molten_______________?
A. Teflon
B. Bakelite
C. Sbr
D. Pvc
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Plexiglass (also called Lucite) because of its high optical transparency is used for making lenses. It is chemically_________________?
A. Polymethyl methacrylate (pmma)
B. Polytetrafluroethylene (ptfe)
C. Polycarbonates
D. Phenolic resins
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Nylon-6 is a_________________?
A. Polyamide
B. Thermosetting resin
C. Polyester
D. None of these
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Adipic acid is an intermediate in the manufacture of _____________________?
A. Perspex
B. Nylon-66
C. Polystyrene
D. Bakelite
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Styrene butadiene rubber is commercially manufactured by__________________?
A. Bulk polymerisation
B. Suspension polymerisation
C. Solution polymerisation
D. Emulsion polymerisation
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_______________________ is not a condensation polymer ?
A. Teflon
B. Nylon-66
C. Dacron
D. Polystyrene
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Softening point of high density polythene is about ______________ °C?
A. 85
B. 135
C. 165
D. 205
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Which of the following is not an elastomer ?
A. Polyisoprene
B. Neoprene
C. Nitrile-butadiene
D. None of these
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Thermosetting materials_________________?
A. Are cross-linked molecules
B. Soften on application of heat
C. Are solvent soluble
D. None of these
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Word of the Day
28 Jul
Fragile
(of an object) easily broken or damaged.
نازک، کاغذی، آسانی سے ٹوٹ جانیوالا

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