Polymer Technology Which of the following is not an elastomer? None of these Nitrile-butadiene Neoprene Polyisoprene None of these Nitrile-butadiene Neoprene Polyisoprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermocole is a spongy, porous, rigid or flexible foamed plastic, obtained by blowing gas/air through molten Polystyrene Saturated polyester Polyurathane Either B or C Polystyrene Saturated polyester Polyurathane Either B or C ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Buna-S is a __________ material. Fibrous Plastic Rubbery Resinous Fibrous Plastic Rubbery Resinous 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 Polypropylene Nylon 6:6 Polyester Acrylic Polypropylene Nylon 6:6 Polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Temperature and gage pressure maintained during the manufacture of hot SBR (styrene butediene rubber) are 50°C and 1 kgf/cm² 50°C and 3 - 4 kg/cm² 250°C and 10 kgf/cm² 250°C and 1 kgf/cm² 50°C and 1 kgf/cm² 50°C and 3 - 4 kg/cm² 250°C and 10 kgf/cm² 250°C and 1 kgf/cm² ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Commercial production of polypropylene employs __________ polymerisation. Emulsion Suspension Solution Bulk Emulsion Suspension Solution Bulk ANSWER DOWNLOAD EXAMIANS APP
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