Polymer Technology Which of the following is not a natural fibre? Cotton Silk Viscose rayon Wool Cotton Silk Viscose rayon Wool ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following has the weakest intermolecular forces? Polyisoprene Bakelite Polystyrene Nylon-66 Polyisoprene Bakelite Polystyrene Nylon-66 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron (or terylene) fibres as compared to nylon fibres have All of these Poorer dyeability Poorer resistance to alkalis Better heat & acid resistant properties All of these Poorer dyeability Poorer resistance to alkalis Better heat & acid resistant properties ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers has the tendency of decomposing before melting? Nylon None of these PVC Polystyrene Nylon None of these PVC Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In step growth polymerisation, generally only one type of reaction & some basic mechanism is involved. Step growth polymerisation reaction is not involved in the manufacture of Polyesters Polyamides Phenol formaldehyde resins Cross linked polystyrene Polyesters Polyamides Phenol formaldehyde resins Cross linked polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Non sulphonated hard bakelites are not used for making Combs Formica table tops Fountain pen barrels Ion-exchange resins Combs Formica table tops Fountain pen barrels Ion-exchange resins ANSWER DOWNLOAD EXAMIANS APP