Polymer Technology Non sulphonated hard bakelites are not used for making Ion-exchange resins Formica table tops Fountain pen barrels Combs Ion-exchange resins Formica table tops Fountain pen barrels Combs ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their Polymerisation mechanism Magnitude of intermolecular forces Resistance to heat Molecular sizes Polymerisation mechanism Magnitude of intermolecular forces Resistance to heat Molecular sizes ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of __________ percent. 1000-1500 1-1000 2000-2500 1500-2000 1000-1500 1-1000 2000-2500 1500-2000 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Mastication of rubber means Its softening Improving its curing rate A treatment to retard its deterioration due to oxidation Depression of its freezing point Its softening Improving its curing rate A treatment to retard its deterioration due to oxidation Depression of its freezing point ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Nylon-6 as compared to nylon-66 is None of these More abrasion resistant Harder Having higher melting point None of these More abrasion resistant Harder Having higher melting point ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The rate controlling step in the manufacture of silicone rubber is the Initial hydrolysis of silicone monomer None of these Polymer termination step Condensation of siloxane to silicone Initial hydrolysis of silicone monomer None of these Polymer termination step Condensation of siloxane to silicone ANSWER DOWNLOAD EXAMIANS APP
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