Polymer Technology Polystyrene is a light, transparent, thermoplastic material used for making Packaging bags Non-sticking utensils Electrical insulation Toys and combs Packaging bags Non-sticking utensils Electrical insulation Toys and combs ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is a natural fibre. Nylon-6 Dacron None of these Cellulose Nylon-6 Dacron None of these Cellulose 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 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? Alkylated diphenyl amine Magnesium Thiokol Carbon Alkylated diphenyl amine Magnesium Thiokol Carbon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In a cross linked polymer, the monomeric units are linked together to constitute a three dimensional network. Which of the following is a cross-linked polymer? Polythene Polyester Nylon-6 Bakelite (phenol formaldehyde) Polythene Polyester Nylon-6 Bakelite (phenol formaldehyde) ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Size range of polymer molecules varies from __________ metre. 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 10⁻² to 10⁻⁵ 10⁻⁴ to 10⁻⁷ 10⁻⁸ to 10⁻¹⁰ ANSWER DOWNLOAD EXAMIANS APP
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