This set of Polymer Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Prediction of Gel Points”. 1. How does the viscosity vary with the onset of gelation of reaction mixture? a) increases b) decreases c) remains constant d) none of the mentioned 2. The cross linking established by linking the branched units leads to … Read more
This set of Polymer Engineering Interview Questions and Answers focuses on “Multichain Step – Growth Polymers and Molecular Weight Distribution in Multifunctional Systems”. 1. What is the molecular distribution breadth for polymerization reaction of trifunctional monomers, if the conversion is 90%? a) 0.344 b) 1.344 c) 0.33 d) none of the mentioned 2. Hydroxyacid is … Read more
This set of Polymer Engineering online test focuses on “Distribution of Molecular Weight in Linear Polycondensation”. 1. Which of the following expressions correctly represents the number distribution function for a linear polycondensation reaction?(Here N0 and p are total number of initial monomer molecules and extent of reaction initially) a) Nn=N0(1-p)2pn-1 b) Nn=N0(1-p)pn-1 c) Nn= N0pn-1 … Read more
This set of Polymer Engineering Multiple Choice Questions & Answers (MCQs) focusses on “Kinetics of Step-Growth Polymerization”. 1. What is the order of a self-catalyzed polyesterification reaction? a) 2 b) 3 c) 1 d) 4 2. How is the reactivity of a specific functional group, in general, dependent on the size of the molecule to … Read more
This set of Polymer Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Characteristics of Condensation Polymerization”. 1. Consider a reaction of polymer formation by condensation polymerization, completed in n-steps, with the liberation of a certain byproduct. How many total molecules of byproduct are released as a result of complete reaction? a) n+1 b) n … Read more
This set of Polymer Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Classification of Polymers”. 1. Which of the following polymer type is not classified on the basis of its application and properties? a) rubbers b) plastics c) fibres d) synthetic 2. Which of the following is a thermosetting polymer? a) polystyrene b) polyolefins … Read more
