Explore topic-wise MCQs in Polymer Engineering.

This section includes 8 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.

Which of the following does not affect the critical temperature, Tc?

A. theat of polymerization
B. tconditions affecting monomer concentration
C. treaction medium
D. tnone of the mentioned
Answer» E.
2.

How does the viscosity of molten sulphur vary near 160 C and above it?

A. tgoes minimum and then rises sharply
B. tgoes maximum and falls rapidly
C. tremains constant
D. tcannot be determined
Answer» B. tgoes maximum and falls rapidly
3.

What is the approximate ceiling temperature of tetrahydrofuran?

A. t70 C
B. t160 C
C. t300 C
D. tnone of the mentioned
Answer» B. t160 C
4.

What is the critical temperature called, if H and S are both positive in radical polymerization?

A. tceiling temperature
B. tfloor temperature
C. ttheta temperature
D. t all of the mentioned
Answer» C. ttheta temperature
5.

What is the critical temperature Tc called, if H and S are both negative in radical polymerization?

A. tceiling temperature
B. tfloor temperature
C. ttheta temperature
D. t all of the mentioned
Answer» B. tfloor temperature
6.

What is the value of overall rate of polymerization at ceiling temperature?

A. texceptionally high
B. texceptionally low
C. tzero
D. tcannot be determined
Answer» D. tcannot be determined
7.

How the increase in temperature to higher values, does affect the equilibrium state of propagation reaction?

A. tshifts forward
B. tshifts backwards
C. tremains constant
D. tnone of the mentioned
Answer» C. tremains constant
8.

Which of the following is not dependent on result of equilibrium condition of polymerization reaction?

A. tdegree of polymerization
B. tchain length distribution
C. tlimiting monomer conversion
D. tnone of the mentioned
Answer» E.