Chemical Engineering - Polymer Technology
Exercise :: Polymer Technology - Section 3
6.
Polyhexamethylene adipimide is also known as
A. bakelite B. nylon-66 C. epoxy resin D. silicone rubber
Answer: Option B
Explanation:
7.
Unbreakable crockeries are made from __________ polymers.
A. polystyrene B. melamine C. polystyrene D. polyurathane
Answer: Option B
Explanation:
8.
__________ is normally used for the manufacture of refrigerator components and transistor parts.
A. Polyproylene B. Polystyrene C. Polyester D. Polyurathene
Answer: Option B
Explanation:
9.
Plasticisers are high boiling liquids added to plastic polymers to impart toughness and flexibility at ordinary temperature. Which of the following is not a plasticiser ?
A. Ethylene glycol B. Stearic acid estors C. Tricresyl phosphate D. Esters of phthalic acid
Answer: Option A
Explanation:
10.
Bakelite is
A. same as polytetra flouro ethylene (PTFE). B. an inorganic polymer. C. same as thermoset phenol formaldehyde. D. not a polymer.
Answer: Option C
Explanation:
