MCQOPTIONS
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MCQOPTIONS
This section includes 6 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 polyamide can be used as substitute of steel in belted radial tires? |
| A. | tkevlar |
| B. | tnomex |
| C. | tnylon 12 |
| D. | tnylon 11 |
| Answer» B. tnomex | |
| 2. |
Which of the following monomer pair polymerizes to give an aramide? |
| A. | thexamethylene diamine + sebacic acid |
| B. | tterephthaloyl chloride + phenylene diamine |
| C. | thexamethylene diamine + adipic acid |
| D. | tnone of the mentioned |
| Answer» C. thexamethylene diamine + adipic acid | |
| 3. |
What is the tensile strength exhibited by the moulded objects prepared from nylons? |
| A. | t12000 psi |
| B. | t1200 psi |
| C. | t60000 psi |
| D. | t6000 psi |
| Answer» B. t1200 psi | |
| 4. |
Which polyamide is formed when polymerization of isophthaloyl chloride and m-phenylene diamine takes place? |
| A. | tnomex |
| B. | tkevlar |
| C. | tnylon 6 |
| D. | tSBR |
| Answer» B. tkevlar | |
| 5. |
Polyamides have a limited use in the areas where long exposure to temperatures above 70-90 C is required, due to their tendency of surface oxidation in air. Which heat stabilizer can permit their use even in higher temperatures? |
| A. | tsodium salts |
| B. | tcopper salts |
| C. | tpotassium salts |
| D. | tnone of the mentioned |
| Answer» C. tpotassium salts | |
| 6. |
Name the polymer formed by the polymerization of -amino caproic acid using water as a catalyst? |
| A. | tnylon 6 |
| B. | tnylon 6,6 |
| C. | tnomex |
| D. | tabs |
| Answer» B. tnylon 6,6 | |