Polymer Technology Branched chair polymers as compared to linear polymers have Lower density None of these Higher tensile strength Higher melting point Lower density None of these Higher tensile strength Higher melting point ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plasticisers are high boiling liquids added to plastic polymers to impart toughness and flexibility at ordinary temperature. Which of the following is not a plasticiser? Tricresyl phosphate Esters of phthalic acid Stearic acid estors Ethylene glycol Tricresyl phosphate Esters of phthalic acid Stearic acid estors Ethylene glycol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Mastication of rubber means Improving its curing rate A treatment to retard its deterioration due to oxidation Its softening Depression of its freezing point Improving its curing rate A treatment to retard its deterioration due to oxidation Its softening Depression of its freezing point ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Properties of a polymer is affected by the Chain length Intermolecular forces All of these Branching & cross-linking Chain length Intermolecular forces All of these Branching & cross-linking ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polypropylene is preferred to polythene, because the former is Both B & C Stronger Non-inflammable Harder Both B & C Stronger Non-inflammable Harder ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The rate controlling step in the manufacture of silicone rubber is the Initial hydrolysis of silicone monomer Polymer termination step None of these Condensation of siloxane to silicone Initial hydrolysis of silicone monomer Polymer termination step None of these Condensation of siloxane to silicone ANSWER DOWNLOAD EXAMIANS APP