Polymer Technology Thermosplastic materials 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 Are heavily branched molecules ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The physical state in which polymers exist is All of these Amorphous glassy state Partially crystalline state Melts & rubber like state All of these Amorphous glassy state Partially crystalline state Melts & rubber like state ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene butadiene rubber (SBR) as compared to natural rubber has All of these Poorer resistance Poor tensile strength Greater amount of heat build up heavy loading All of these Poorer resistance Poor tensile strength Greater amount of heat build up heavy loading ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following has the weakest intermolecular forces? Bakelite Nylon-66 Polystyrene Polyisoprene Bakelite Nylon-66 Polystyrene Polyisoprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology A chain growth polymerisation reaction consists of three different types of reaction namely initiation reaction, propagation reaction & termination reaction. Chain growth polymerisation reaction is not involved in the manufacture of Siloxane elastomers Polyamides Urea-formaldehyde resins Vinyl polymers Siloxane elastomers Polyamides Urea-formaldehyde resins Vinyl polymers ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Lavatory cisterns are normally made of PVC Expanded polystyrene Saturated polyester Perspex PVC Expanded polystyrene Saturated polyester Perspex ANSWER DOWNLOAD EXAMIANS APP