Polymer Technology Thermoplastic resins usually Permanent setting resins Remain hard as long as they are hot Can not be reclaimed from waste Less brittle than thermosetting resins Permanent setting resins Remain hard as long as they are hot Can not be reclaimed from waste Less brittle than thermosetting resins 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. Nylon 6:6 Polyester Polypropylene Acrylic Nylon 6:6 Polyester Polypropylene Acrylic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Terylene is a/an Addition polymer Homopolymer None of these Poly amide Addition polymer Homopolymer None of these Poly amide ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Catalyst used in the production of high density polythene by low pressure Ziegler process is Molybdenum Nickel Aluminium triethyl activated with TiCl₄ Platinum Molybdenum Nickel Aluminium triethyl activated with TiCl₄ Platinum ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weight of polymers are in the range of 10²-10⁷ 10⁷-10⁹ 10 to 10³ 10⁹-10¹¹ 10²-10⁷ 10⁷-10⁹ 10 to 10³ 10⁹-10¹¹ ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation of caprolac-tum is carried out in the reactor maintained at a temperature of __________ °C for producing nylon-6. 100 to 150 250-280 50 to 75 -20 to 25 100 to 150 250-280 50 to 75 -20 to 25 ANSWER DOWNLOAD EXAMIANS APP
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