Polymer Technology Which of the following is an inorganic polymer? Bakelite Silicones Teflon Perspex Bakelite Silicones Teflon Perspex ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycaprolactum (Nylon - 6) is produced by the condensation polymerisation of caprolactum at 240-280°C in which the conversion of caprolactum is about __________ percent. 90 50 99 75 90 50 99 75 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. Polyester Nylon 6:6 Polypropylene Acrylic Polyester Nylon 6:6 Polypropylene Acrylic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron (or terylene) fibres as compared to nylon fibres have All of these Poorer resistance to alkalis Better heat & acid resistant properties Poorer dyeability All of these Poorer resistance to alkalis Better heat & acid resistant properties Poorer dyeability ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Neoprene which is used for making shoe heels & belts is superior to natural rubber in its stability to aerial oxidation and resistance to oils & other solvents. The monomer used for making neoprene is None of these Chloroethane Isoprene Chlorophrene None of these Chloroethane Isoprene Chlorophrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Linear polymers are normally Having extremely high softening point Thermosplastic Thermosetting Elastometric Having extremely high softening point Thermosplastic Thermosetting Elastometric ANSWER DOWNLOAD EXAMIANS APP
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