Polymer Technology Reaction of dimethyl terephthalate (DMT) and ethylene glycol produces Nylon-6 Dacron Polyester PVC Nylon-6 Dacron Polyester PVC 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 Polypropylene Nylon 6:6 Polyester Acrylic Polypropylene Nylon 6:6 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cellulose acetate has very high film permeability among all the polymers of the order of 5000 gm/100 m². Which of the following polymers has the maximum film elongation (of the order of 100%) ? Cellulose acetate Teflon Water impermeable cellophane Polythene Cellulose acetate Teflon Water impermeable cellophane Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Epoxy resin is A good abrasive An elastomer Not used for surface coating A polyester A good abrasive An elastomer Not used for surface coating A polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Valcunisation of rubber decreases its Working temperature range Resistance to organic solvents Tensile strength Tackiness Working temperature range Resistance to organic solvents Tensile strength Tackiness ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Liners of bags are usually made of Polypropylene Polyesters Polythene PVC Polypropylene Polyesters Polythene PVC ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS