Polymer Technology Buna-S is also called SBR Teflon Bakelite Polyurathane SBR Teflon Bakelite Polyurathane ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is a natural fibre. None of these Nylon-6 Cellulose Dacron None of these Nylon-6 Cellulose Dacron ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Bakelite is Same as polytetra flouro ethylene (PTFE) An inorganic polymer Same as thermoset phenol formaldehyde Not a polymer Same as polytetra flouro ethylene (PTFE) An inorganic polymer Same as thermoset phenol formaldehyde Not a polymer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Vulcanisation of raw rubber makes it Soft Tacky Plastic Less elastic Soft Tacky Plastic Less elastic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosetting resins/polymers as compared to thermoplastic ones are More brittle Soluble in all organic solvents Formed by addition polymerisation only Easily reshaped & reused More brittle Soluble in all organic solvents Formed by addition polymerisation only Easily reshaped & reused 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. Polyester Polypropylene Nylon 6:6 Acrylic Polyester Polypropylene Nylon 6:6 Acrylic ANSWER DOWNLOAD EXAMIANS APP
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