Hamad Polymer Technology 07/09/2020 A. Abrasion resistance B. Thermal stability C. Adhesion to rubber D. Hardness Related Mcqs: Tyres are made by___________________?A. Injection moulding B. Extrusion C. Rotational moulding D. Compression moulding... Identify the group in which all the polymers mentioned can be used to make fibres ?A. Butadiene copolymers, Polyamides, Urea-formaldehyde B. Cellulose derivatives, Polyisoprene, Polyethylene C. Cellulose derivatives, Polyamides, Polyurethane D. Polypropylene, Poly vinyl chloride, Silicon... Polymerisation process in which two or more monomers of chemically different nature take part is called__________________?A. Copolymerisation B. Addition polymerisation C. Chain polymerisation D. None of these... Commercial production of polypropylene employs _____________ polymerisation?A. Emulsion B. Suspension C. Solution D. Bulk... Branched chain polymers compared to linear polymers have higher ____________________?A. Density B. Tensile strength C. Melting point D. Degree of irregularity in atomic packing...
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