Polymer Technology __________ is produced by polymerisation of chloroprene. Neoprene Butyl rubber Thiokol (a polysulphide rubber) Polyurathane rubber Neoprene Butyl rubber Thiokol (a polysulphide rubber) Polyurathane rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermocole is a spongy, porous, rigid or flexible foamed plastic, obtained by blowing gas/air through molten Polystyrene Polyurathane Either B or C Saturated polyester Polystyrene Polyurathane Either B or C Saturated polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Synthetic rubber Is brittle at low temperature Is softer at higher temperature Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Deforms, if stretched to double of its original dimension Is brittle at low temperature Is softer at higher temperature Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Deforms, if stretched to double of its original dimension ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Most of the plastics are safe to be used upto a maximum temperature of __________ °C. 100 150 350 450 100 150 350 450 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Reaction of dimethyl terephthalate (DMT) and ethylene glycol produces PVC Nylon-6 Dacron Polyester PVC Nylon-6 Dacron Polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding Camphor None of these Glycerol Nitro cellulose Camphor None of these Glycerol Nitro cellulose ANSWER DOWNLOAD EXAMIANS APP
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