- (A) Are formed by addition polymerisation
- (B) Have three dimensional structure
- (C) Have linear structure
- (D) None of these
Chemical Engineering Mcqs
- (A) For surface coating of automobiles & air crafts
- (B) For fibre making
- (C) As plasticiser for PVC & nitrocellulose
- (D) For film forming materials
- (A) A copolymer
- (B) A condensation polymer
- (C) Obtained by polymerising vinyl cyanide
- (D) All
- (A) 5°C and 1 kgf/cm2
- (B) – 20°C and 1 kgf/cm2
- (C) 0°C and 1 kgf/cm2
- (D) 0°C and 3 kgf/cm2
- (A) Phosphorous
- (B) Carbon black
- (C) Pine oil
- (D) Rosin
- (A) Tensile strength
- (B) Resistance to organic solvents
- (C) Tackiness
- (D) Working temperature range
- (A) Decreases with increase in molecular weight
- (B) Decreases with increase in temperature
- (C) Increases with increase in temperature
- (D) Does not vary with temperature rise
- (A) Terylene
- (B) Nylon-66
- (C) PVC
- (D) Polystyrene
- (A) Polystyrene
- (B) Nylon
- (C) PVC
- (D) None of these
- (A) Bakelite
- (B) Teflon
- (C) Perspex
- (D) PVC
