Polymer Technology Which of the following rubbers has the widest service temperature range (-75 to 275°C) ? Silicon rubber Nitrile rubber Butyl rubber Silicone rubber Silicon rubber Nitrile rubber Butyl rubber Silicone rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology A copolymer of vinyl and vinylidine chloride is called Saran Orlon Treylene Dacron Saran Orlon Treylene Dacron ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids? Nucleic acids Starch Cellulose Proteins Nucleic acids Starch Cellulose Proteins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyesters are manufactured by the polycondensation reaction of Carboxylic acid with ethylene Inorganic acid with ethylene glycol Dibasic acid with dihydric alcohol A single monomer Carboxylic acid with ethylene Inorganic acid with ethylene glycol Dibasic acid with dihydric alcohol A single monomer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene butadiene rubber (SBR) as compared to natural rubber has Poor tensile strength All of these Greater amount of heat build up heavy loading Poorer resistance Poor tensile strength All of these Greater amount of heat build up heavy loading Poorer resistance ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Branched chain polymers compared to linear polymers have higher Tensile strength Density Degree of irregularity in atomic packing Melting point Tensile strength Density Degree of irregularity in atomic packing Melting point ANSWER DOWNLOAD EXAMIANS APP
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