Polymer Technology Celluloid is Cellulose acetate butyrate Cellulose acetate Cellulose nitrate Regenerated cellulose Cellulose acetate butyrate Cellulose acetate Cellulose nitrate Regenerated cellulose 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 Polypropylene Acrylic Polyester Nylon 6:6 Polypropylene Acrylic Polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is normally used for the manufacture of refrigerator components and transistor parts. Polystyrene Polyester Polyproylene Polyurathene Polystyrene Polyester Polyproylene Polyurathene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyvinyl chloride (PVC) Can be made thermosetting by adding a plasticiser Uses either emulsion or suspension polymerisation methods Softening temperature is 200°C Is produced by polycondensation reaction Can be made thermosetting by adding a plasticiser Uses either emulsion or suspension polymerisation methods Softening temperature is 200°C Is produced by polycondensation reaction ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids? Starch Proteins Nucleic acids Cellulose Starch Proteins Nucleic acids Cellulose ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Properties of a polymer is affected by the All of these Branching & cross-linking Chain length Intermolecular forces All of these Branching & cross-linking Chain length Intermolecular forces ANSWER DOWNLOAD EXAMIANS APP
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