Polymer Technology Styrene butadiene rubber (SBR) as compared to natural rubber has Greater amount of heat build up heavy loading Poorer resistance Poor tensile strength All of these Greater amount of heat build up heavy loading Poorer resistance Poor tensile strength All of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weight of polymers are in the range of 10⁹-10¹¹ 10²-10⁷ 10 to 10³ 10⁷-10⁹ 10⁹-10¹¹ 10²-10⁷ 10 to 10³ 10⁷-10⁹ 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? Potassium alum Ammonium alum Neither A nor B Both A & B Potassium alum Ammonium alum Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene butadiene rubber is commercially manufactured by Suspension polymerisation Solution polymerisation Bulk polymerisation Emulsion polymerisation Suspension polymerisation Solution polymerisation Bulk polymerisation Emulsion polymerisation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Linear polymers are normally Thermosplastic Having extremely high softening point Elastometric Thermosetting Thermosplastic Having extremely high softening point Elastometric Thermosetting ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Reaction of dimethyl terephthalate (DMT) and ethylene glycol produces Polyester Nylon-6 PVC Dacron Polyester Nylon-6 PVC Dacron ANSWER DOWNLOAD EXAMIANS APP
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