Polymer Technology __________ polythene is most prone to stress-cracking Linear low density Low density High density Cross-linked Linear low density Low density High density Cross-linked ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron (or terylene) fibres as compared to nylon fibres have Better heat & acid resistant properties All of these Poorer resistance to alkalis Poorer dyeability Better heat & acid resistant properties All of these Poorer resistance to alkalis Poorer dyeability ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Branched chain polymers compared to linear polymers have higher Density Tensile strength Melting point Degree of irregularity in atomic packing Density Tensile strength Melting point Degree of irregularity in atomic packing ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Nylon 6, 10 which is used for bristles making is superior to nylon 6, 6 due to its lower water absorption capacity, is a/an Polyisoprene Polyamide Polystyrene Polyester Polyisoprene Polyamide Polystyrene Polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polystyrene is a __________ plastic at room temperature. Ductile Malleable Brittle None of these Ductile Malleable Brittle None of these 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. Nylon 6:6 Polypropylene Polyester Acrylic Nylon 6:6 Polypropylene Polyester Acrylic ANSWER DOWNLOAD EXAMIANS APP
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