Explore topic-wise MCQs in Polymer Engineering.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Polymer Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

What kind of chain-initiating active centre is generated by bimolecular initiation mechanism of spontaneous thermal polymerization?

A. tmonoradical
B. tbiradical
C. tion
D. tnone of the mentioned
Answer» C. tion
2.

How does the overall rate of spontaneous thermal polymerization vary, when the monomer concentration is doubled?

A. thalved
B. tdoubled
C. tquadrupled
D. tremains constant
Answer» D. tremains constant
3.

Consider the following graph plotted between conversion and time taken, where benzoyl peroxide is used as an initiator.
Which of the following curve represents the lowest monomer concentration?

A. n<a href="https://www.sanfoundry.com/wp-content/uploads/2017/05/polymer-engineering-questions-answers-online-quiz-q7.png"><img alt="The following curve represents the lowest monomer concentration is 5" class="aligncenter size-full wp-image-158795" height="218" src="https://www.sanfoundry.com/wp-content/uploads/2017/05/polymer-engineering-questions-answers-online-quiz-q7.png" width="300"/></a>
B. t1
C. t5
D. t4
E. t3
Answer» C. t5
4.

What is the characteristic feature of the gel effect in radical polymerization?

A. tincrease in kinetic rate
B. tincrease in molecular weight of product polymer
C. tformation of highly viscous mass
D. tall of the mentioned
Answer» E.