Polymer Technology Antioxidants are added to rubber to protect it from the attack of light, heat & atmospheric ozone. Which of the following is an antioxident used in rubber? Carbon Magnesium Thiokol Alkylated diphenyl amine Carbon Magnesium Thiokol Alkylated diphenyl amine ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Flexible foam (for mattresses) are usually made of PVC Polyamides Polyurethanes Silicone rubber PVC Polyamides Polyurethanes Silicone rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Rain coats are made of SBR PVC Polyurathane Neoprene SBR PVC Polyurathane Neoprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Size range of polymer molecules varies from __________ metre. 10⁻² to 10⁻⁵ 10⁻⁴ to 10⁻⁷ 10⁻⁸ to 10⁻¹⁰ 10⁻¹ to 10⁻² 10⁻² to 10⁻⁵ 10⁻⁴ to 10⁻⁷ 10⁻⁸ to 10⁻¹⁰ 10⁻¹ to 10⁻² ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Due to its excellent permeability to air/gas and oxidation resistance, the tubes of automobile tyres is made of Butyl rubber Buna S Cold SBR Bunai N Butyl rubber Buna S Cold SBR Bunai N ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycondensation reaction of polymerisation Produces only thermoplastic material Does not produce linear polymers Does not need any catalyst Produces epoxy polymers Produces only thermoplastic material Does not produce linear polymers Does not need any catalyst Produces epoxy polymers ANSWER DOWNLOAD EXAMIANS APP
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