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 Hardness, rigidity & brittleness Melting point Densities Tensile strength Hardness, rigidity & brittleness Melting point Densities 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? Both A & B Neither A nor B Ammonium alum Potassium alum Both A & B Neither A nor B Ammonium alum Potassium alum ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Density of high density polythene is about __________ gm/c.c. 0.99 1.05 0.95 1.18 0.99 1.05 0.95 1.18 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Automobile steering wheels are normally made of PVC Cellulose acetate High density polythene Cellulose nitrate PVC Cellulose acetate High density polythene Cellulose nitrate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition of plasticisers to polymers results in partial neutralisation of intermolecular forces of attraction between the macro-molecules thereby increasing its All of these Chemical resistance Tensile strength Flexibility All of these Chemical resistance Tensile strength Flexibility ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The conversion of caprolactum in the above case is about __________ percent. 50 90 25 70 50 90 25 70 ANSWER DOWNLOAD EXAMIANS APP
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