Polymer Technology Vulcanisation of rubber does not increase its Softness Oxidation resistance Weight & strength Elasticity & water solubility Softness Oxidation resistance Weight & strength Elasticity & water solubility ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Typical solvent polymerisation reaction conditions for the production of high density polythene by Zeigler process is 7 kgf/cm² and 70 °C 1000 kgf/cm² and 100°C 7 kgf/cm² and 700°C 1 kgf/cm² (gage) and 70°C 7 kgf/cm² and 70 °C 1000 kgf/cm² and 100°C 7 kgf/cm² and 700°C 1 kgf/cm² (gage) and 70°C 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. Polyester Acrylic Nylon 6:6 Polypropylene Polyester Acrylic Nylon 6:6 Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Automobile steering wheels are normally made of PVC Cellulose acetate High density polythene Cellulose nitrate PVC Cellulose acetate High density polythene Cellulose nitrate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymerisation process in which two or more monomers of chemically different nature take part is called Addition polymerisation Chain polymerisation Copolymerisation None of these Addition polymerisation Chain polymerisation Copolymerisation None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Scouring is a finishing operation during the manufacture of fibre, which aims at __________ of fibres. Glycol soaking Dyeing/colouring Improving the stretchability Detergent solution washing Glycol soaking Dyeing/colouring Improving the stretchability Detergent solution washing ANSWER DOWNLOAD EXAMIANS APP
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