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This section includes 2 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 is the probability of having tetramers in the preparation of Nylon 12, when 98% of functional groups have reacted? |
A. | t0.0189 |
B. | t0.05 |
C. | t0.256 |
D. | t1 |
Answer» B. t0.05 | |
2. |
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. | tN<sub>n</sub>=N<sub>0</sub>(1-p)<sup>2</sup>p<sup>n-1</sup> |
B. | tN<sub>n</sub>=N<sub>0</sub>(1-p)p<sup>n-1</sup> |
C. | tN<sub>n</sub>= N<sub>0</sub>p<sup>n-1</sup> |
D. | tN<sub>n</sub>0n(1-p)<sup>2</sup>p<sup>n</sup> |
Answer» B. tN<sub>n</sub>=N<sub>0</sub>(1-p)p<sup>n-1</sup> | |