

MCQOPTIONS
Saved Bookmarks
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Waste Water Engineering knowledge and support exam preparation. Choose a topic below to get started.
1. |
WHEN_THE_AERATION_SYSTEM_SHUTS_OFF,_THE_BASIN_BEGINS_TO_PERFORM_AS_A_______?$ |
A. | Primary clarifier |
B. | Secondary clarifier |
C. | Anaerobic unit |
D. | Aeration unit |
Answer» C. Anaerobic unit | |
2. |
________provides_the_dual_purpose_of_providing_DO_and_mixing_of_the_mixed_liquor_and_wastewater.$ |
A. | Flocculation |
B. | Aeration |
C. | Sedimentation |
D. | Clarification |
Answer» C. Sedimentation | |
3. |
SBR operates as ________ process? |
A. | Batch |
B. | Continuous |
C. | Semi-continuous |
D. | Discontinuous |
Answer» B. Continuous | |
4. |
What is the full form of SBR in Activated Sludge Process? |
A. | Secondary batch reactor |
B. | Sequential biological reactor |
C. | Secondary biological reactor |
D. | Sequential batch reactor |
Answer» E. | |
5. |
________ combines aeration basin and secondary clarifier into single unit. |
A. | Primary clarifier |
B. | Aerobic unit |
C. | Sequential batch reactor |
D. | Secondary clarifier |
Answer» D. Secondary clarifier | |
6. |
Activated sludge process can be used for treating all types of wastewater. |
A. | True |
B. | False |
Answer» C. | |
7. |
What does the bacterium use to grow? |
A. | Oxygen |
B. | Organic pollutants |
C. | Water |
D. | Carbon-dioxide |
Answer» C. Water | |
8. |
What is required to keep the activated sludge suspended? |
A. | Carbon-dioxide |
B. | Nitrogen |
C. | Oxygen |
D. | Ammonia |
Answer» D. Ammonia | |
9. |
Activated sludge process degrade organics and _________ |
A. | Improve nutrients |
B. | Remove nutrients |
C. | Remove odour |
D. | Remove taste |
Answer» C. Remove odour | |
10. |
Activated sludge process uses micro-organisms to degrade organics from wastewater. |
A. | True |
B. | False |
Answer» B. False | |