Polymer Technology Density of low density polythene is about __________ gm/c.c. 0.91 0.81 0.38 0.56 0.91 0.81 0.38 0.56 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Nylon-66 compared to nylon-6 has All of these Higher hardness More abrasion resistant properties Lower melting point All of these Higher hardness More abrasion resistant properties Lower melting point ANSWER DOWNLOAD EXAMIANS APP
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 Synthetic rubber Is brittle at low temperature Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is softer at higher temperature Deforms, if stretched to double of its original dimension Is brittle at low temperature Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is softer at higher temperature Deforms, if stretched to double of its original dimension ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosplastic materials Are heavily branched molecules Do not soften on application of heat Are solvent insoluble None of these Are heavily branched molecules Do not soften on application of heat Are solvent insoluble None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Bakelite is An inorganic polymer Same as thermoset phenol formaldehyde Same as polytetra flouro ethylene (PTFE) Not a polymer An inorganic polymer Same as thermoset phenol formaldehyde Same as polytetra flouro ethylene (PTFE) Not a polymer ANSWER DOWNLOAD EXAMIANS APP
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