Polymer Technology Polycondensation reaction of polymerisation 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 Does not produce linear polymers ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a polyolefin? Polypropylene Polystyrene None of these Neoprene Polypropylene Polystyrene None of these Neoprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The rate controlling step in the manufacture of silicone rubber is the Polymer termination step None of these Condensation of siloxane to silicone Initial hydrolysis of silicone monomer Polymer termination step None of these Condensation of siloxane to silicone Initial hydrolysis of silicone monomer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Alkyd resin e.g., glyptal resin formed by phthalic anhydride and glycerene is not used For film forming materials For surface coating of automobiles & air crafts As plasticiser for PVC & nitrocellulose For fibre making For film forming materials For surface coating of automobiles & air crafts As plasticiser for PVC & nitrocellulose For fibre making ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Softening point of high density polythene is about __________ °C. 85 205 165 135 85 205 165 135 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Viscosity of a polymer solution or melt Increases with increase in temperature Does not vary with temperature rise Decreases with increase in temperature Decreases with increase in molecular weight Increases with increase in temperature Does not vary with temperature rise Decreases with increase in temperature Decreases with increase in molecular weight ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS