Polymer Technology __________ polythene is most prone to stress-cracking Low density High density Linear low density Cross-linked Low density High density Linear low density Cross-linked ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a condensation polymer? Bakelite Polymethylmethacrylate (PMMA) None of these Melamine polymer Bakelite Polymethylmethacrylate (PMMA) None of these Melamine polymer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following low molecular weight ( Cellulose acetate PVC Polyvinyl acetate Thiokol Cellulose acetate PVC Polyvinyl acetate Thiokol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Poly Vinyl chloride (PVC) is a __________ material. Thermosetting Fibrous Thermoplastic Chemically active Thermosetting Fibrous Thermoplastic Chemically active ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyvinyl chloride (PVC) Is produced by polycondensation reaction Softening temperature is 200°C Can be made thermosetting by adding a plasticiser Uses either emulsion or suspension polymerisation methods Is produced by polycondensation reaction Softening temperature is 200°C Can be made thermosetting by adding a plasticiser Uses either emulsion or suspension polymerisation methods ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Viscosity of a polymer solution or melt Decreases with increase in temperature Does not vary with temperature rise Decreases with increase in molecular weight Increases with increase in temperature Decreases with increase in temperature Does not vary with temperature rise Decreases with increase in molecular weight Increases with increase in temperature ANSWER DOWNLOAD EXAMIANS APP
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