Discussion
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- Question
Which of the following is not a polyolefin?
Options- A. Polystyrene
- B. Polypropylene
- C. Neoprene
- D. None of these
- Correct Answer
- Neoprene
- 1. Which of the following is not a polymer of two monomers?
Options- A. Teflon
- B. Bakelite
- C. SBR
- D. None of these Discuss
- 2. Nylon 6 as compared to nylon 6, 6 has lower
Options- A. abrasion resistance.
- B. thermal stability.
- C. adhesion to rubber.
- D. hardness. Discuss
- 3. Temperature and gage pressure maintained during the manufacture of cold SBR (styrene butadiene rubber) are
Options- 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. Discuss
- 4. __________ is an addition polymer
Options- A. Nylon
- B. Bakelite
- C. Polythene
- D. none of these Discuss
- 5. Viscosity of a polymer solution or melt
Options- 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. Discuss
- 6. __________ is a homopolymer.
Options- A. Neoprene
- B. Bakelite
- C. Nylon-66
- D. Terylene Discuss
- 7. Which of the following is the most important rubber compounding ingradient which is used to improve wearing qualities of both natural rubber & SBR by imparting toughness?
Options- A. Phosphorous
- B. Carbon black
- C. Pine oil
- D. Rosin Discuss
- 8. Plastic tubes & pipes are generally made by __________ moulding.
Options- A. injection
- B. transfer
- C. extrusion
- D. compression Discuss
- 9. Antioxidants are added to rubber to protect it from the attack of light, heat & atmospheric ozone. Which of the following is an antioxident used in rubber?
Options- A. Carbon
- B. Alkylated diphenyl amine
- C. Thiokol
- D. Magnesium Discuss
- 10. Zeigler process
Options- A. produces high density polythene.
- B. uses no catalyst.
- C. produces low density polythene.
- D. employs very high pressure. Discuss
Polymer Technology problems
Search Results
Correct Answer: Teflon
Correct Answer: abrasion resistance.
Correct Answer: 5°C and 1 kgf/cm2.
Correct Answer: Polythene
Correct Answer: increases with increase in temperature.
Correct Answer: Neoprene
Correct Answer: Carbon black
Correct Answer: extrusion
Correct Answer: Alkylated diphenyl amine
Correct Answer: produces high density polythene.
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