Polymer Technology Typical solvent polymerisation reaction conditions for the production of high density polythene by Zeigler process is 1000 kgf/cm² and 100°C 7 kgf/cm² and 700°C 1 kgf/cm² (gage) and 70°C 7 kgf/cm² and 70 °C 1000 kgf/cm² and 100°C 7 kgf/cm² and 700°C 1 kgf/cm² (gage) and 70°C 7 kgf/cm² and 70 °C 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. Acrylic Nylon 6:6 Polyester Polypropylene Acrylic Nylon 6:6 Polyester Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Rayon is superior to cotton in making gauge for wound treatment, because rayon Is a synthetic polymer Does not stick to the wound unlike cotton Can absorb over 90% of its own weight of water Both B & C Is a synthetic polymer Does not stick to the wound unlike cotton Can absorb over 90% of its own weight of water Both B & C ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Epoxy resin is A good abrasive Not used for surface coating An elastomer A polyester A good abrasive Not used for surface coating An elastomer A polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyhexamethylene adipimide is also known as Nylon-66 Silicone rubber Epoxy resin Bakelite Nylon-66 Silicone rubber Epoxy resin Bakelite ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymerisation of poly functional monomers produces polymers having Low melting point Low viscosity None of these Good machanical strength Low melting point Low viscosity None of these Good machanical strength ANSWER DOWNLOAD EXAMIANS APP