Polymer Technology Which of the following additives are added to plastics to make it impervious to X-rays? Phthalic acid Carborundum Barium salt Asbestos Phthalic acid Carborundum Barium salt Asbestos ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is a natural fibre. Dacron Nylon-6 Cellulose None of these Dacron Nylon-6 Cellulose None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of __________ percent. 1500-2000 1-1000 1000-1500 2000-2500 1500-2000 1-1000 1000-1500 2000-2500 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is a thermosetting plastic. PVC Bakelite Polystyrene Polythene PVC Bakelite Polystyrene Polythene 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 Polyester Polypropylene Nylon 6:6 Acrylic Polyester Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The inter particle forces between linear chains in nylon-66 are __________ bonds. Covalant Hydrogen None of these Ionic Covalant Hydrogen None of these Ionic ANSWER DOWNLOAD EXAMIANS APP
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