Which of the following is a natural polyamide fiber?
Which of the following is a natural polyamide fiber?
A. Wool
B. Silk
C. Cotton
D. None of these
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β – glucose is the monomer of__________________?
β – glucose is the monomer of__________________?A. Cellulose
B. Starch
C. Protein
D. None of theseStyrene butadiene rubber (SBR) as compared to natural rubber has_______________?
Styrene butadiene rubber (SBR) as compared to natural rubber has_______________?A. Poor tensile strength
B. Poorer resistance
C. Greater amount of heat build up heavy loading
D. All A., B. and C.Polypropylene is preferred to polythene, because the former is
Question: Polypropylene is preferred to polythene, because the former is
[A].non-inflammable [B].
harder [C].
stronger [D].
both(b) & (c) Answer: Option D
Explanation:
No answer description available for this question.
Polyurethane cannot be used to make____________________?
Polyurethane cannot be used to make____________________?A. Automobile cushion
B. Thermal insulation in refrigerator
C. Coating and adhesive
D. Fibre reinforced plastic (FRP)Cross linked polymers formed from bi-and trifunctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer ______________ properties?
Cross linked polymers formed from bi-and trifunctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer ______________ properties?A. Thermoplastic
B. Thermosetting
C. Elastometric
D. BrittlenessTrade name of ______________ is neoprene?
Trade name of ______________ is neoprene?A. Polychlorophrene
B. Polyisoprene
C. Polytetrafluoroethylene
D. Poly vinyl acetate