Polymer Technology __________ of SBR is adversely affected, if more quantity of styrene is added to butadiene during its co-polymerisation to produce SBR. Resilience Strength Freezing point Percent elongation Resilience Strength Freezing point Percent elongation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Nylon-66 is a polyamide of Hexamethylene diamine and adipic acid Adipic acid and methyl amine None of these Vinyl chloride and formaldeyde Hexamethylene diamine and adipic acid Adipic acid and methyl amine None of these Vinyl chloride and formaldeyde ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Chain growth polymerisation is a process, in which the monomers are added in a chain fashion, and it requires an initiator to produce the free radical. An example of chain growth polymerisation products is Teflon Nylon-66 Bakelite Polyester Teflon Nylon-66 Bakelite Polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following rubbers has the widest service temperature range (-75 to 275°C) ? Nitrile rubber Silicone rubber Silicon rubber Butyl rubber Nitrile rubber Silicone rubber Silicon rubber Butyl rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Synthetic rubber Is brittle at low temperature Deforms, if stretched to double of its original dimension Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is softer at higher temperature Is brittle at low temperature Deforms, if stretched to double of its original dimension Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is softer at higher temperature ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation of __________ produces bakelite. Phenol & acetaldehyde Phenol & formaldehyde Propylene Urea & formaldehyde Phenol & acetaldehyde Phenol & formaldehyde Propylene Urea & formaldehyde ANSWER DOWNLOAD EXAMIANS APP
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