Polymer Technology Cation exchange resins used in water treatment is made from __________ resin. Phenolic Amino Urea formaldehyde Epoxy Phenolic Amino Urea formaldehyde Epoxy ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Synthetic rubber Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Deforms, if stretched to double of its original dimension Is softer at higher temperature Is brittle at low temperature Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Deforms, if stretched to double of its original dimension Is softer at higher temperature Is brittle at low temperature ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Temperature maintained in the emulsion polymerisation reactor for PVC manufacture is about __________ ° C. 50 -20 250 500 50 -20 250 500 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Mastication of rubber means 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 Improving its curing rate A treatment to retard its deterioration due to oxidation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Hot drink (e.g, tea) cups are usually made of Polystyrene Polypropylene PVC Polythene Polystyrene Polypropylene PVC Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polystyrene is a __________ plastic at room temperature. None of these Malleable Brittle Ductile None of these Malleable Brittle Ductile ANSWER DOWNLOAD EXAMIANS APP