Polymer Technology Polymethyl methacrylate, which is an acrylic resin, is also called Plexiglass or lucite Thiokol Teflon Dacron Plexiglass or lucite Thiokol Teflon Dacron ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Low density polythene as compared to high density polythene is Chemically inert Harder Tougher More flexible Chemically inert Harder Tougher More flexible ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher Tensile strength Densities Melting point Hardness, rigidity & brittleness Tensile strength Densities Melting point Hardness, rigidity & brittleness ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In nylon-6, the number 6 represents the total number of Carbon atoms in the linear polymer chain Carbon atoms in the ring Nitrogen atoms in the ring Hydrogen atoms in the ring Carbon atoms in the linear polymer chain Carbon atoms in the ring Nitrogen atoms in the ring Hydrogen atoms in the ring ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Viscosity of a polymer solution or melt Does not vary with temperature rise Increases with increase in temperature Decreases with increase in temperature Decreases with increase in molecular weight Does not vary with temperature rise Increases with increase in temperature Decreases with increase in temperature Decreases with increase in molecular weight ANSWER DOWNLOAD EXAMIANS APP
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
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