- (A) Blow moulding
- (B) Vacuum thermo forming
- (C) Injection moulding
- (D) None of these
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- (A) Protect rubber goods from attack by oxygen & ozone present in the atmosphere
- (B) Reduce its viscosity to permit easier processing
- (C) Reduce the time of vulcanisation and quantity of vulcanising agent
- (D) Increase its viscosity
- (A) Polystyrene
- (B) Polyisoprene
- (C) Polybutadiene
- (D) Poly chloroprene
- (A) Polypropylene
- (B) PVC
- (C) Polythene
- (D) Polyvinyl acetate
- (A) Teflon
- (B) Bakelite
- (C) Polyester
- (D) Nylon-66
- (A) Elasticity
- (B) Plasticity
- (C) Ductility
- (D) None of these
- (A) PVC
- (B) Polythene
- (C) Bakelite
- (D) Polystyrene
- (A) Nylon-6
- (B) Nylon-66
- (C) Nylon-6, 10
- (D) Epoxy resin
- (A) Melamine formaldehyde resin
- (B) Phenolic resin
- (C) Epoxy resin
- (D) Alkyd resin
- (A) Ethylene glycol
- (B) Stearic acid estors
- (C) Tricresyl phosphate
- (D) Esters of phthalic acid
