MCQOPTIONS
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MCQOPTIONS
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. |
How is the monomer units arranged generally, in the copolymer structure of any vinyl copolymer? |
| A. | tsequentially |
| B. | talternatively |
| C. | trandomly |
| D. | tall of the mentioned |
| Answer» D. tall of the mentioned | |
| 2. |
The values of reactivity ratios, r1 and r2 are independent of the change in the mechanism of chain propagation, form radical to ionic mechanism. State true or false. |
| A. | tTrue |
| B. | tFalse |
| Answer» C. | |
| 3. |
Consider the copolymer equation of binary copolymerization between monomers M1 and M2 {[M1]/[M2]}copolymer = {[M1/[M2]}(r1[M1]+[M2])/(r2[M2]+[M1]) |
| A. | nWhat does the term [M<sub>1</sub>] on the right hand signify here? |
| B. | tabsolute molar concentration of monomer M<sub>1</sub> |
| C. | tmolar concentration of monomer M<sub>1</sub> in feed |
| D. | tmolar concentration of monomer M<sub>1</sub> in copolymer |
| E. | tnone of the mentioned |
| Answer» C. tmolar concentration of monomer M<sub>1</sub> in feed | |
| 4. |
Which of the following mechanism can produce a copolymer? |
| A. | tstep-growth mechanism |
| B. | tfree radical mechanism |
| C. | tcationic mechanism |
| D. | tall of the mentioned |
| Answer» E. | |