Polymer Technology Thermosetting resins/polymers as compared to thermoplastic ones are More brittle Soluble in all organic solvents Easily reshaped & reused Formed by addition polymerisation only More brittle Soluble in all organic solvents Easily reshaped & reused Formed by addition polymerisation only ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Flexible foam (for mattresses) are usually made of Silicone rubber PVC Polyurethanes Polyamides Silicone rubber PVC Polyurethanes Polyamides ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Tyres are made by Rotational moulding Injection moulding Extrusion Compression moulding Rotational moulding Injection moulding Extrusion Compression moulding ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Density of low density polythene is about __________ gm/c.c. 0.81 0.56 0.38 0.91 0.81 0.56 0.38 0.91 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The organic acid monomer in nylon 66 is Benzoic acid Terephthalic acid Adipic acid Sebasic acid Benzoic acid Terephthalic acid Adipic acid Sebasic acid ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Nylon-66 compared to nylon-6 has More abrasion resistant properties Lower melting point All of these Higher hardness More abrasion resistant properties Lower melting point All of these Higher hardness ANSWER DOWNLOAD EXAMIANS APP