

MCQOPTIONS
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This section includes 10 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 | |