Polymer Technology Which of the following polymers belong to the class of formaldehyde resin? Dacron None of these Melamine resins Teflon Dacron None of these Melamine resins Teflon 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 Water impermeable cellophane Teflon Polythene Cellulose acetate Water impermeable cellophane Teflon Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermoplastic resins usually Less brittle than thermosetting resins Permanent setting resins Remain hard as long as they are hot Can not be reclaimed from waste Less brittle than thermosetting resins Permanent setting resins Remain hard as long as they are hot Can not be reclaimed from waste ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Amino resins are used in paper treatment to improve its Wet rub resistance Folding endurance All of these Wet tear and bursting strength Wet rub resistance Folding endurance All of these Wet tear and bursting strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Transistor parts and refrigerator components are normally made of Polyurathane High density polythene Polyester Polystyrene Polyurathane High density polythene Polyester Polystyrene 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 Polypropylene Acrylic Nylon 6:6 Polyester Polypropylene Acrylic Nylon 6:6 ANSWER DOWNLOAD EXAMIANS APP
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