Polymer Technology Rayon is superior to cotton in making gauge for wound treatment, because rayon Can absorb over 90% of its own weight of water Does not stick to the wound unlike cotton Is a synthetic polymer Both B & C Can absorb over 90% of its own weight of water Does not stick to the wound unlike cotton Is a synthetic polymer Both B & C ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyurathane can not be used to make Thermal insulation in refrigerator Coating and adhesive Fibre reinforced plastic (FRP) Automobile cushion Thermal insulation in refrigerator Coating and adhesive Fibre reinforced plastic (FRP) Automobile cushion ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosetting resins/polymers as compared to thermoplastic ones are Easily reshaped & reused More brittle Formed by addition polymerisation only Soluble in all organic solvents Easily reshaped & reused More brittle Formed by addition polymerisation only Soluble in all organic solvents ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plasticisers are high boiling liquids added to plastic polymers to impart toughness and flexibility at ordinary temperature. Which of the following is not a plasticiser? Ethylene glycol Esters of phthalic acid Stearic acid estors Tricresyl phosphate Ethylene glycol Esters of phthalic acid Stearic acid estors Tricresyl phosphate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The generic chemical name for the class of polymers which are commerically known as nylons is Polyolefins Polyurathane Polyamide Polyacrylate Polyolefins Polyurathane Polyamide Polyacrylate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Acrylonitrile-butadiene-styrene (ABS) copolymer, which is produced by blending styrene-acrylonitfile copolymer with butadiene based elastomer, is a/an Engineering plastic Spongy rubber Rigid foam Thermosetting polymer Engineering plastic Spongy rubber Rigid foam Thermosetting polymer ANSWER DOWNLOAD EXAMIANS APP