MCQOPTIONS
Saved Bookmarks
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Addition polymerisation can be carried out in _________ mechanisms. |
| A. | Two |
| B. | Three |
| C. | Four |
| D. | Five |
| Answer» C. Four | |
| 2. |
Blowing otherwise called as _________ |
| A. | Air blow technique |
| B. | Bubbling |
| C. | Bubble casting |
| D. | Bubble blowing |
| Answer» D. Bubble blowing | |
| 3. |
The rubber coagulates into soft _________ colour mass. |
| A. | Yellow |
| B. | Light yellow |
| C. | White |
| D. | Light pink |
| Answer» D. Light pink | |
| 4. |
Plasticizers are used to get the ___________ between the polymeric molecules. |
| A. | Attraction |
| B. | Freedom of movement |
| C. | Pi-bond |
| D. | Sigma bond |
| Answer» C. Pi-bond | |
| 5. |
BUNA – N is a co-polymer of ___________ and __________ |
| A. | Butadiene, acrylonitrile |
| B. | Sodium poly sulphide, ethylene dichloride |
| C. | Benzene, ethylene |
| D. | Acetaldehyde, ethyl alcohol |
| Answer» B. Sodium poly sulphide, ethylene dichloride | |
| 6. |
The heating and cooling of the thermo plastics _________the chemical nature. |
| A. | Alters |
| B. | Do not alters |
| C. | Alters slightly |
| D. | May be alters |
| Answer» C. Alters slightly | |
| 7. |
Combination of the organic and inorganic polymers are called as _________ |
| A. | Element organic polymers |
| B. | Inorganic polymers |
| C. | Fibres |
| D. | Thermoplastics |
| Answer» B. Inorganic polymers | |
| 8. |
Lubricants are used to prevent the moulded article from _________ |
| A. | Rusting |
| B. | Sticking |
| C. | Not sticking |
| D. | Burning |
| Answer» C. Not sticking | |
| 9. |
The article in the transfer moulding are __________ |
| A. | Cured very fast |
| B. | Cured incompletely |
| C. | Cured uniformly |
| D. | Cured moderately |
| Answer» D. Cured moderately | |
| 10. |
The thermo plastics resins are usually soluble in _________ |
| A. | Organic solvents |
| B. | Only in some organic solvents |
| C. | Polar solvents |
| D. | Only in water |
| Answer» B. Only in some organic solvents | |
| 11. |
Thermo setting plastics are formed by_________ |
| A. | Step polymerisation |
| B. | Suspension polymerisation |
| C. | Emulsion polymerisation |
| D. | Co-ordination polymerisation |
| Answer» B. Suspension polymerisation | |
| 12. |
In BUNA – S, the BU stands for ________ |
| A. | Butadiene |
| B. | Butane |
| C. | Butaraldehyde |
| D. | 3-Butanoic acid |
| Answer» B. Butane | |
| 13. |
While producing the smoked rubber, the filtered latex is fed into long rectangular tanks of _________ deep. |
| A. | 1m |
| B. | 2m |
| C. | 50cm |
| D. | 30cm |
| Answer» E. | |
| 14. |
Catering is done by the ________ |
| A. | MATER BI |
| B. | Teflon |
| C. | Dacron |
| D. | Poly lactic acid |
| Answer» B. Teflon | |
| 15. |
The ionic mechanism again divided into _____________ |
| A. | Two |
| B. | Three |
| C. | Four |
| D. | Five |
| Answer» B. Three | |