MCQOPTIONS
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MCQOPTIONS
This section includes 21 Mcqs, each offering curated multiple-choice questions to sharpen your Hazardous Waste Management knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Rotary air stripping uses ____________ force. |
| A. | Centripetal |
| B. | Centrifugal |
| C. | Gravitational |
| D. | Pressure |
| Answer» C. Gravitational | |
| 2. |
Smaller packing material size in stripping increases ____________ |
| A. | Contaminant removal |
| B. | Air removal |
| C. | Waste removal |
| D. | Gas removal |
| Answer» B. Air removal | |
| 3. |
The air stripper is an example of a _________ contactor. |
| A. | Liquid-gas |
| B. | Liquid-liquid |
| C. | Liquid-solid |
| D. | Liquid-plasma |
| Answer» B. Liquid-liquid | |
| 4. |
The pressure drop in tower should be between _________ N/m2 per meter of tower height to prevent flooding. |
| A. | 100 to 200 |
| B. | 200 to 300 |
| C. | 200 to 400 |
| D. | 400 to 500 |
| Answer» D. 400 to 500 | |
| 5. |
_________ flow through the air stripper will control the removal rate of the contaminants. |
| A. | Air-to-water |
| B. | Boiling point-to-air |
| C. | Heating point-to-water |
| D. | Water-to-air |
| Answer» B. Boiling point-to-air | |
| 6. |
Height of packed stripping tower affects ________ |
| A. | Removal efficiency |
| B. | Contaminants |
| C. | Standards |
| D. | Temperature |
| Answer» B. Contaminants | |
| 7. |
What do CG stands for in stripping theory (Henry’s law)? |
| A. | Contaminant |
| B. | Contaminant in gaseous phase |
| C. | Contaminant in liquid phase |
| D. | Contaminant in solid phase |
| Answer» C. Contaminant in liquid phase | |
| 8. |
Exotic gases can be used for stripping. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
Gases passed in stripping process can be ________ |
| A. | Evaporated |
| B. | Boiled |
| C. | Condensed |
| D. | Cooled |
| Answer» D. Cooled | |
| 10. |
Stripping is widely used to remove _________ |
| A. | Volatile components |
| B. | Organic matter |
| C. | Inorganic matter |
| D. | Chemicals |
| Answer» B. Organic matter | |
| 11. |
THE_AIR_STRIPPER_IS_AN_EXAMPLE_OF_A_______CONTACTOR.?$ |
| A. | Liquid-gas |
| B. | Liquid-liquid |
| C. | Liquid-solid |
| D. | Liquid-plasma |
| Answer» B. Liquid-liquid | |
| 12. |
Rotary air stripping uses ____ force$ |
| A. | Centripetal |
| B. | Centrifugal |
| C. | Gravitational |
| D. | Pressure |
| Answer» C. Gravitational | |
| 13. |
Smaller_packing_material_size_in_stripping_increases_____$ |
| A. | Contaminant removal |
| B. | Air removal |
| C. | Waste removal |
| D. | Gas removal |
| Answer» B. Air removal | |
| 14. |
The pressure drop in tower should be between _____ N/m2 per meter of tower height to prevent flooding? |
| A. | 100 to 200 |
| B. | 200 to 300 |
| C. | 200 to 400 |
| D. | 400 to 500 |
| Answer» D. 400 to 500 | |
| 15. |
_____flow through the air stripper will control the removal rate of the contaminants? |
| A. | Air-to-water |
| B. | Boiling point-to-air |
| C. | Heating point-to-water |
| D. | Water-to-air |
| Answer» B. Boiling point-to-air | |
| 16. |
Height of packed stripping tower affects ____ |
| A. | Removal efficiency |
| B. | Contaminants |
| C. | Standards |
| D. | Temperature |
| Answer» B. Contaminants | |
| 17. |
What do CG stands for in stripping theory (Henry’s law)?$ |
| A. | Contaminant |
| B. | Contaminant in gaseous phase |
| C. | Contaminant in liquid phase |
| D. | Contaminant in solid phase |
| Answer» C. Contaminant in liquid phase | |
| 18. |
Which of the following aqueous waste can be subjected to stripping? |
| A. | Lead |
| B. | Platinum |
| C. | Ammonia |
| D. | Arsenic |
| Answer» D. Arsenic | |
| 19. |
Exotic gases can be used for stripping. True or False. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 20. |
Gases passed in stripping process can be ____ |
| A. | Evaporated |
| B. | Boiled |
| C. | Condensed |
| D. | Cooled |
| Answer» D. Cooled | |
| 21. |
Stripping is widely used to remove _____ |
| A. | Volatile components |
| B. | Organic matter |
| C. | Inorganic matter |
| D. | Chemicals |
| Answer» B. Organic matter | |