MCQOPTIONS
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MCQOPTIONS
This section includes 5 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 information about chlorinated rubber is wrong? |
| A. | tit resists concentrated nitric acid |
| B. | tit is used as heat sealable package for dry food |
| C. | tit has flame retardant characteristics |
| D. | tit is resinous in character |
| Answer» C. tit has flame retardant characteristics | |
| 2. |
Which solvent is used to dissolve rubber pieces in the process of chlorination of natural rubber? |
| A. | tcarbon tetrachloride |
| B. | tacetone |
| C. | tbenzene |
| D. | ttoluene |
| Answer» B. tacetone | |
| 3. |
What kind of product is obtained on chlorination of natural rubber? |
| A. | telastomer |
| B. | tthermoplastic |
| C. | tresinous |
| D. | tnone of the mentioned |
| Answer» D. tnone of the mentioned | |
| 4. |
Which substance is added to the dilute latex to prevent darkening of latex? |
| A. | tsodium bisulfite |
| B. | tpotassium sulfite |
| C. | tsodium sulfate |
| D. | tpotassium sulfate |
| Answer» B. tpotassium sulfite | |
| 5. |
Which tree gives out the latex to obtain natural rubber? |
| A. | teucalyptus |
| B. | thevea brasiliensis |
| C. | tanogeissus |
| D. | tastragalus |
| Answer» C. tanogeissus | |