Polymer Technology Trade name of __________ is neoprene. Poly vinyl acetate Polytetraflouroethylene Polyisoprene Polychloroprene Poly vinyl acetate Polytetraflouroethylene Polyisoprene Polychloroprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a polyolefin? Polypropylene Polystyrene Neoprene None of these Polypropylene Polystyrene Neoprene None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Scouring is a finishing operation during the manufacture of fibre, which aims at __________ of fibres. Dyeing/colouring Detergent solution washing Glycol soaking Improving the stretchability Dyeing/colouring Detergent solution washing Glycol soaking Improving the stretchability ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation of __________ produces bakelite. Phenol & acetaldehyde Propylene Urea & formaldehyde Phenol & formaldehyde Phenol & acetaldehyde Propylene Urea & formaldehyde Phenol & formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Synthetic rubber Is softer at higher temperature Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is brittle at low temperature Deforms, if stretched to double of its original dimension Is softer at higher temperature Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is brittle at low temperature Deforms, if stretched to double of its original dimension ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene butadiene rubber is commercially manufactured by Emulsion polymerisation Bulk polymerisation Solution polymerisation Suspension polymerisation Emulsion polymerisation Bulk polymerisation Solution polymerisation Suspension polymerisation ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS