This set of Polymer Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Anionic Polymerization”. 1. How the termination in anionic polymerization most probably does take place? a) unimolecular termination b) bimolecular c) termination by solvent transfer d) all of the mentioned 2. Which of the following monomer has the least reactivity towards anionic polymerization? … Read more
This set of Polymer Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Cationic Polymerization”. 1. Which of the following polymerization mechanism can polymerize the styrene monomer? a) cationic polymerization b) radical polymerization c) anionic polymerization d) all of the mentioned 2. Which of the following type of termination is not possible in ionic polymerization? … Read more
This set of Polymer Engineering Questions and Answers for Freshers focuses on “Techniques of Polymerization-2”. 1. What is the size of the monomer droplets in suspension polymerization? a) 25-30 mm b) 0.1-5 mm c) 15-20 mm d) 50-60 mm 2. Which of the following feature of water as a solvent helps in purity of polymer? … Read more
This set of Polymer Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Techniques of Polymerization-1”. 1. Which of the following initiation mechanism in vinyl polymerization, does not produce a pure polymer? a) initiator decomposition b) uncatalyzed thermal initiation c) uncatalyzed photochemical initiation d) all of the mentioned 2. What may be the consequence of … Read more
This set of Polymer Engineering Questions and Answers for Aptitude test focuses on “Structure and Reactivity of Monomers and Radicals”. 1. Which of the following monomer has the highest reactivity towards the styrene radical? a) styrene b) vinylidene chloride c) vinyl acetate d) butadiene 2. Which of the following factors are responsible for reactivity ratio … Read more
This set of Polymer Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Types of Copolymerization”. 1. When is the copolymerization said to be an ideal copolymerization? a) Copolymer composition F1 not equal to monomer feed composition f1 b) r1r2=1 c) r1=r2 d) r1=1 2. Which of the following is true if the two monomers … Read more
This set of Polymer Engineering Quiz focuses on “Binary Copolymerization of Vinyl Monomers by Free Radical Mechanism”. 1. Which of the following mechanism can produce a copolymer? a) step-growth mechanism b) free radical mechanism c) cationic mechanism d) all of the mentioned 2. How is the reactivity of a chain radical practically determined in a … Read more
This set of Polymer Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Olefin Metathesis and Metathesis Polymerization”. 1. What is the special feature of the olefin metathesis and metathesis polymerization? a) use of initiators b) use of catalysts with high potential c) use of solvents d) none of the mentioned 2. What is the … Read more
This set of Polymer Engineering MCQs focuses on “Determination of Absolute Rate Constant of Propagation”. 1. How is the average lifetime of a growing radical, under steady state, in a radical polymerization, defined? a) ratio of the steady state radical concentration and the rate of its termination b) ratio of termination of the radical and … Read more
This set of Polymer Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Non – Ideal Kinetics in Radical Polymerization”. 1. Which of the following is not a reason for non-ideal kinetics of radical polymerization? a) initiator-monomer complexation b) unimolecular termination c) degradative initiator transfer d) none of the mentioned 2. Consider initiator-monomer complexation in … Read more
