Polymer Technology The only natural thermoplastic resin, which is a product of animal life is Rosin Shellac Amber Copal Rosin Shellac Amber Copal ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymerisation process in which two or more monomers of chemically different nature take part is called Copolymerisation Addition polymerisation None of these Chain polymerisation Copolymerisation Addition polymerisation None of these Chain polymerisation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800? 50800 51600 50000 49200 50800 51600 50000 49200 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ are produced by reacting polybasic acid (e.g. phthalic anhydride) with polyhydric alcohol (e.g., glycerol). Unsaturated polyester Amino resins Alkyd resins Saturated polyester Unsaturated polyester Amino resins Alkyd resins Saturated polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Alkyd resin can not be used for making Plasticiser Fibres Film forming materials Paint & varnish Plasticiser Fibres Film forming materials Paint & varnish ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermoplastic resins usually Permanent setting resins Remain hard as long as they are hot Less brittle than thermosetting resins Can not be reclaimed from waste Permanent setting resins Remain hard as long as they are hot Less brittle than thermosetting resins Can not be reclaimed from waste ANSWER DOWNLOAD EXAMIANS APP
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