Polymer Technology Styrene butadiene rubber is commercially manufactured by Suspension polymerisation Solution polymerisation Bulk polymerisation Emulsion polymerisation Suspension polymerisation Solution polymerisation Bulk polymerisation Emulsion polymerisation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is an inorganic polymer? Silicones Teflon Bakelite Perspex Silicones Teflon Bakelite Perspex ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Elastomers are Exemplified by protein derivatives Having high flexural strength Thermosetting material Having very high tensile strength and heat resistance Exemplified by protein derivatives Having high flexural strength Thermosetting material Having very high tensile strength and heat resistance ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Melt spinning of polymers involves the forcing of polymer melt through spinnerettes (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the __________ fibres. Nylon 6:6 Acrylic Polypropylene Polyester Nylon 6:6 Acrylic Polypropylene Polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers does not belong to the class of polyacrylate polymer? Polyethyl acrylate PMMA None of these Polyacrylonitrile Polyethyl acrylate PMMA None of these Polyacrylonitrile ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron (or terylene) fibres as compared to nylon fibres have Poorer dyeability Better heat & acid resistant properties Poorer resistance to alkalis All of these Poorer dyeability Better heat & acid resistant properties Poorer resistance to alkalis All of these ANSWER DOWNLOAD EXAMIANS APP