Polymer Technology Density of low density polythene is about __________ gm/c.c. 0.56 0.38 0.81 0.91 0.56 0.38 0.81 0.91 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The synthetic fibres produced from __________ are known as rayon. Lignin Cellulose Polyamides Ethylene glycol Lignin Cellulose Polyamides Ethylene glycol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following low molecular weight ( Cellulose acetate Polyvinyl acetate Thiokol PVC Cellulose acetate Polyvinyl acetate Thiokol PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Epoxy resins (i.e., epoxide polymers) Are made by addition polymerisation reaction only Contain an epoxy group ( ##### ) at the ends of the polymer Use emulsion polymerisation methods Are cross-linked polymers only Are made by addition polymerisation reaction only Contain an epoxy group ( ##### ) at the ends of the polymer Use emulsion polymerisation methods Are cross-linked polymers only ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ tubes are good substitude for human blood vessels onrheart by-pass operation. Polystyrene Teflon/dacron Polythene PVC Polystyrene Teflon/dacron Polythene PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its Weathering characteristics Plasticity Elasticity Strength Weathering characteristics Plasticity Elasticity Strength ANSWER DOWNLOAD EXAMIANS APP
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