Polymer Technology Molecular weights of plastics ranges from 20000 to 25000 10⁹ to l0¹¹ 1000 to 5000 5000 to 1000 20000 to 25000 10⁹ to l0¹¹ 1000 to 5000 5000 to 1000 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a polyolefin? Polypropylene None of these Polystyrene Neoprene Polypropylene None of these Polystyrene Neoprene 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 Melt spinning of polymers involves the forcing of polymer melt through spinnerettes (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the __________ fibres. Polypropylene Polyester Nylon 6:6 Acrylic Polypropylene Polyester Nylon 6:6 Acrylic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Temperature and gage pressure maintained during the manufacture of cold SBR (styrene butadiene rubber) are 5°C and 1 kgf/cm² 0°C and 1 kgf/cm² 0°C and 3 kgf/cm² - 20°C and 1 kgf/cm² 5°C and 1 kgf/cm² 0°C and 1 kgf/cm² 0°C and 3 kgf/cm² - 20°C and 1 kgf/cm² ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymers are Macromolecules Micromolecules None of these Sub-micromolecules Macromolecules Micromolecules None of these Sub-micromolecules ANSWER DOWNLOAD EXAMIANS APP
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