Polymer Technology The synthetic fibres produced from __________ are known as rayon. Cellulose Lignin Ethylene glycol Polyamides Cellulose Lignin Ethylene glycol Polyamides ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Viscosity of a polymer solution or melt Does not vary with temperature rise Decreases with increase in temperature Decreases with increase in molecular weight Increases with increase in temperature Does not vary with temperature rise Decreases with increase in temperature Decreases with increase in molecular weight Increases with increase in temperature ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Natural rubber is obtained from latex, which is a colloidal dispersion of rubber in water. Which of the following is used as a coagulant in latex? Ammonium alum Potassium alum Both A & B Neither A nor B Ammonium alum Potassium alum Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cellulose acetate has very high film permeability among all the polymers of the order of 5000 gm/100 m². Which of the following polymers has the maximum film elongation (of the order of 100%) ? Water impermeable cellophane Cellulose acetate Teflon Polythene Water impermeable cellophane Cellulose acetate Teflon Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymers are None of these Sub-micromolecules Micromolecules Macromolecules None of these Sub-micromolecules Micromolecules Macromolecules ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is a natural polyamide fibre. Silk Wool None of these Cotton Silk Wool None of these Cotton ANSWER DOWNLOAD EXAMIANS APP
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