Polymer Technology Styrene butadiene rubber (SBR) as compared to natural rubber has 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 Poorer resistance Poor tensile strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polystyrene is a __________ plastic at room temperature. Ductile Brittle None of these Malleable Ductile Brittle None of these Malleable 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? Phosphorous Pine oil Rosin Carbon black Phosphorous Pine oil Rosin Carbon black ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers has the tendency of decomposing before melting? None of these PVC Nylon Polystyrene None of these PVC Nylon Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Buna-S is a __________ material. Rubbery Plastic Fibrous Resinous Rubbery Plastic Fibrous Resinous ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Melt spinning of polymers involves the forcing of polymer melt through spinnerettes (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the __________ fibres. Acrylic Nylon 6:6 Polyester Polypropylene Acrylic Nylon 6:6 Polyester Polypropylene ANSWER DOWNLOAD EXAMIANS APP
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