Polymer Technology Polycondensation reaction of polymerisation Does not produce linear polymers Produces epoxy polymers Does not need any catalyst Produces only thermoplastic material Does not produce linear polymers Produces epoxy polymers Does not need any catalyst Produces only thermoplastic material 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. Polypropylene Acrylic Polyester Nylon 6:6 Polypropylene Acrylic Polyester Nylon 6:6 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Mastication of rubber means Its softening Improving its curing rate A treatment to retard its deterioration due to oxidation Depression of its freezing point Its softening Improving its curing rate A treatment to retard its deterioration due to oxidation Depression of its freezing point ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following types of polymers has the strongest inter particle forces? Fibres Thermoplastics Thermosetting polymers Elastomers Fibres Thermoplastics Thermosetting polymers Elastomers ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Softening point of high density polythene is about __________ °C. 205 165 135 85 205 165 135 85 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Non sulphonated hard bakelites are not used for making Ion-exchange resins Fountain pen barrels Formica table tops Combs Ion-exchange resins Fountain pen barrels Formica table tops Combs ANSWER DOWNLOAD EXAMIANS APP
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