Polymer Technology In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher Densities Hardness, rigidity & brittleness Tensile strength Melting point Densities Hardness, rigidity & brittleness Tensile strength Melting point ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Tyres are made by Rotational moulding Injection moulding Extrusion Compression moulding Rotational moulding Injection moulding Extrusion Compression moulding ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Synthetic rubber Is softer at higher temperature Deforms, if stretched to double of its original dimension Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is brittle at low temperature Is softer at higher temperature Deforms, if stretched to double of its original dimension Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is brittle at low temperature ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Ebonite is a/an Unvulcanised raw rubber Adhesive Highly vulcanised rubber Natural rubber Unvulcanised raw rubber Adhesive Highly vulcanised rubber Natural rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The rate controlling step in the manufacture of silicone rubber is the Polymer termination step Initial hydrolysis of silicone monomer None of these Condensation of siloxane to silicone Polymer termination step Initial hydrolysis of silicone monomer None of these Condensation of siloxane to silicone ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polypropylene compared to polythene is Lighter Harder All of these Stronger Lighter Harder All of these Stronger ANSWER DOWNLOAD EXAMIANS APP
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