MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Separation Processes knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the wavelength used in microwave dryer? |
| A. | UV |
| B. | Visible |
| C. | Radio waves |
| D. | Microwaves |
| Answer» D. Microwaves | |
| 2. |
Due to short contact time in spray dryer what is it used to dry? |
| A. | Thermo labile materials |
| B. | Highly viscous materials |
| C. | Heavy materials |
| D. | Not used at all |
| Answer» B. Highly viscous materials | |
| 3. |
DUE_TO_SHORT_CONTACT_TIME_IN_SPRAY_DRYER_WHAT_IS_IT_USED_TO_DRY??$ |
| A. | Thermo labile materials |
| B. | Highly viscous materials |
| C. | Heavy materials |
| D. | Not used at all |
| Answer» B. Highly viscous materials | |
| 4. |
What_is_the_wavelength_used_in_microwave_dryer?$ |
| A. | UV |
| B. | Visible |
| C. | Radio waves |
| D. | Microwaves |
| Answer» D. Microwaves | |
| 5. |
What can be the maximum temperature of hot gas in a spray dryer(oc)? |
| A. | 300 |
| B. | 400 |
| C. | 100 |
| D. | 700 |
| Answer» E. | |
| 6. |
What is the contact time in a spray dryer? |
| A. | Few minutes |
| B. | Few hours |
| C. | Few seconds |
| D. | No direct contact |
| Answer» D. No direct contact | |
| 7. |
Which dryer is used to dry atomized droplets of a feed? |
| A. | Spray dryer |
| B. | Flash dryer |
| C. | Drum dryer |
| D. | Fluidized bed dryer |
| Answer» B. Flash dryer | |
| 8. |
Which materials cannot be dried in fluidized bed dryer? |
| A. | Meat |
| B. | Fish |
| C. | Spices |
| D. | Proteins |
| Answer» E. | |
| 9. |
What is the flash dryer unsuitable for? |
| A. | Heat sensitive materials |
| B. | Heat stable materials |
| C. | Highly viscous materials |
| D. | Large or heavy particles |
| Answer» E. | |
| 10. |
Which of the following materials is suitable for flash dryer? |
| A. | Heat sensitive materials |
| B. | Heat stable materials |
| C. | Highly viscous materials |
| D. | Granular slurries |
| Answer» B. Heat stable materials | |
| 11. |
Which of the following is not an air suspended drying system? |
| A. | Rotary dryer |
| B. | Flash dryer |
| C. | Spray dryer |
| D. | Fluidized bed dryer |
| Answer» B. Flash dryer | |
| 12. |
Which dryer is also called as pneumatic conveyer? |
| A. | Flash dryer |
| B. | Fluidized bed dryer |
| C. | Spray dryer |
| D. | Drum dryer |
| Answer» B. Fluidized bed dryer | |