Polymer Technology Which of the following polymers has the tendency of decomposing before melting? None of these Polystyrene PVC Nylon None of these Polystyrene PVC Nylon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to Reduce the time of vulcanisation and quantity of vulcanising agent Protect rubber goods from attack by oxygen & ozone present in the atmosphere Reduce its viscosity to permit easier processing Increase its viscosity Reduce the time of vulcanisation and quantity of vulcanising agent Protect rubber goods from attack by oxygen & ozone present in the atmosphere Reduce its viscosity to permit easier processing Increase its viscosity ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Contact lenses for eyes are made of perspex, which is nothing but Polymethylmethacrylate Polypropylene Polystyrene Unsaturated polyester Polymethylmethacrylate Polypropylene Polystyrene Unsaturated polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Rayon is superior to cotton in making gauge for wound treatment, because rayon Is a synthetic polymer Does not stick to the wound unlike cotton Both B & C Can absorb over 90% of its own weight of water Is a synthetic polymer Does not stick to the wound unlike cotton Both B & C Can absorb over 90% of its own weight of water ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids? Cellulose Starch Nucleic acids Proteins Cellulose Starch Nucleic acids Proteins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ of SBR is adversely affected, if more quantity of styrene is added to butadiene during its co-polymerisation to produce SBR. Resilience Percent elongation Freezing point Strength Resilience Percent elongation Freezing point Strength ANSWER DOWNLOAD EXAMIANS APP
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