Polymer Technology The monomer of poly vinyl chloride (PVC) is Chloroform Chloroethene Ethylene dichloride Ethyl chloride Chloroform Chloroethene Ethylene dichloride Ethyl chloride ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Size range of polymer molecules varies from __________ metre. 10⁻¹ to 10⁻² 10⁻⁸ to 10⁻¹⁰ 10⁻⁴ to 10⁻⁷ 10⁻² to 10⁻⁵ 10⁻¹ to 10⁻² 10⁻⁸ to 10⁻¹⁰ 10⁻⁴ to 10⁻⁷ 10⁻² to 10⁻⁵ 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 Polythene Water impermeable cellophane Teflon Cellulose acetate Polythene Water impermeable cellophane Teflon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a thermoplastic material? Polystyrene Epoxy polymer Polythene PVC Polystyrene Epoxy polymer Polythene PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Tyres are made by Injection moulding Extrusion Rotational moulding Compression moulding Injection moulding Extrusion Rotational moulding Compression moulding ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its Weathering characteristics Strength Plasticity Elasticity Weathering characteristics Strength Plasticity Elasticity ANSWER DOWNLOAD EXAMIANS APP