Polymer Technology Which of the following is the most important rubber compounding ingradient which is used to improve wearing qualities of both natural rubber & SBR by imparting toughness? Rosin Phosphorous Carbon black Pine oil Rosin Phosphorous Carbon black Pine oil 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 Tensile strength Chemical resistance Flexibility All of these Tensile strength Chemical resistance Flexibility ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron is a Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol Condensation polymerisation product of hexamethylene diamine and adipic acid Thermosetting material None of these Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol Condensation polymerisation product of hexamethylene diamine and adipic acid Thermosetting material None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is an inorganic polymer? Silicones Perspex Bakelite Teflon Silicones Perspex Bakelite Teflon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Elastomers are Exemplified by protein derivatives Having high flexural strength Having very high tensile strength and heat resistance Thermosetting material Exemplified by protein derivatives Having high flexural strength Having very high tensile strength and heat resistance Thermosetting material ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Catalyst used in the production of high density polythene by low pressure Ziegler process is Platinum Aluminium triethyl activated with TiCl₄ Molybdenum Nickel Platinum Aluminium triethyl activated with TiCl₄ Molybdenum Nickel ANSWER DOWNLOAD EXAMIANS APP
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