Polymer Technology __________ polythene is most prone to stress-cracking Linear low density Cross-linked High density Low density Linear low density Cross-linked High density Low density ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following additives are added to plastics to make it impervious to X-rays? Barium salt Phthalic acid Carborundum Asbestos Barium salt Phthalic acid Carborundum Asbestos ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene butadiene rubber (SBR) as compared to natural rubber has Poorer resistance Poor tensile strength Greater amount of heat build up heavy loading All of these Poorer resistance Poor tensile strength Greater amount of heat build up heavy loading All of these ANSWER DOWNLOAD EXAMIANS APP
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 Carbon black Pine oil Phosphorous Rosin Carbon black Pine oil Phosphorous ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Rain coats are made of Polyurathane PVC Neoprene SBR Polyurathane PVC Neoprene SBR ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Silicone resins, which are highly water repellant and has good heat resistance can not be used As room temperature adhesive Resin for lamination As grease & lubricant Hydraulic fluid for heat transfer As room temperature adhesive Resin for lamination As grease & lubricant Hydraulic fluid for heat transfer ANSWER DOWNLOAD EXAMIANS APP
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