MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Operations knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In sodium ethyl Xanthate, the Xanthate ions are ____ |
| A. | Positively charged |
| B. | Negatively charged |
| C. | Neutral |
| D. | Van der Waal forces |
| Answer» C. Neutral | |
| 2. |
Which of the following is a known promoter? |
| A. | Sodium ethyl Xanthate |
| B. | Caustic soda |
| C. | Soda Ash |
| D. | M.M.A |
| Answer» B. Caustic soda | |
| 3. |
_____ can increase the angle of contact. |
| A. | Promoters |
| B. | Fainter’s |
| C. | Terminators |
| D. | Forthers |
| Answer» B. Fainter’s | |
| 4. |
What does the below diagram represent? |
| A. | Cyclone separator |
| B. | Plate type separator |
| C. | Craved separator |
| D. | Twice separatorView Answer |
| Answer» C. Craved separator | |
| 5. |
______CAN_INCREASE_THE_ANGLE_OF_CONTACT.?$ |
| A. | Promoters |
| B. | Fainter’s |
| C. | Terminators |
| D. | Forthers |
| Answer» B. Fainter‚Äö√Ñ√∂‚àö√ë‚àö¬•s | |
| 6. |
Which_of_the_following_is_a_known_promoter?$ |
| A. | Sodium ethyl Xanthate |
| B. | Caustic soda |
| C. | Soda Ash |
| D. | M.M.A |
| Answer» C. Soda Ash | |
| 7. |
What agent can hold the particle on the fluid surface? |
| A. | Hold agent |
| B. | Bubble agent |
| C. | Grignard’s reagent |
| D. | Forth agent |
| Answer» B. Bubble agent | |
| 8. |
Separation of mixture using flotation depends up on ___ |
| A. | Volume |
| B. | Surface |
| C. | Bubble |
| D. | Steep |
| Answer» E. | |
| 9. |
What is the capacity of a rotor type separator? |
| A. | 1500 lb/hr |
| B. | 2000 lb/hr |
| C. | 3000 lb/hr |
| D. | 500 lb/hr |
| Answer» C. 3000 lb/hr | |
| 10. |
If a particle is placed in a grounded surface, then _____ |
| A. | Mobiles ions are stopped |
| B. | Charges get renewed |
| C. | Flow of ions gets retarded |
| D. | End of dielectric |
| Answer» B. Charges get renewed | |
| 11. |
If a dielectric and conductor are placed in path of mobile ions, then it will generate _____ |
| A. | Semi charge |
| B. | Brake |
| C. | Charge |
| D. | Ions |
| Answer» D. Ions | |
| 12. |
Which of the following is best for charging the particles? |
| A. | Splitter |
| B. | Bombardment |
| C. | Striking |
| D. | Abrasion |
| Answer» C. Striking | |