Polymer Technology Poly tetra flouro ethylene (PTFE) is known as Celluloid Teflon Bakelite Dacron Celluloid Teflon Bakelite Dacron 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 250°C and 10 kgf/cm² 250°C and 1 kgf/cm² 50°C and 3 - 4 kg/cm² 50°C and 1 kgf/cm² 250°C and 10 kgf/cm² 250°C and 1 kgf/cm² 50°C and 3 - 4 kg/cm² 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 Acrylic Nylon 6:6 Polyester Polypropylene Acrylic Nylon 6:6 Polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Phosphates (e.g., triceresyl, tributyl, tetrabutyl, tripheyl etc.) are added to polymers to act as Transparency improver Hardeners Anti-shrinkage agents Plasticisers Transparency improver Hardeners Anti-shrinkage agents Plasticisers ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a natural fibre? Cotton Silk Viscose rayon Wool Cotton Silk Viscose rayon Wool ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The main use of butadiene is As an anti-skimming agent in paint In the manufacture of synthetic rubber None of these As a plasticiser for unsaturated polyester As an anti-skimming agent in paint In the manufacture of synthetic rubber None of these As a plasticiser for unsaturated polyester ANSWER DOWNLOAD EXAMIANS APP
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