Polymer Technology Which of the following is not a thermoplastic material? PVC Epoxy polymer Polystyrene Polythene PVC Epoxy polymer Polystyrene Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Most of the plastics are safe to be used upto a maximum temperature of __________ °C. 450 100 150 350 450 100 150 350 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following types of polymers has the strongest inter particle forces? Fibres Elastomers Thermosetting polymers Thermoplastics Fibres Elastomers Thermosetting polymers Thermoplastics ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Softening point of high density polythene is about __________ °C. 165 85 135 205 165 85 135 205 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following additives are added to plastics to make it impervious to X-rays? Phthalic acid Barium salt Asbestos Carborundum Phthalic acid Barium salt Asbestos Carborundum ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its Strength Weathering characteristics Elasticity Plasticity Strength Weathering characteristics Elasticity Plasticity ANSWER DOWNLOAD EXAMIANS APP