

MCQOPTIONS
Saved Bookmarks
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Environmental Engineering knowledge and support exam preparation. Choose a topic below to get started.
1. |
The head loss through the screen is given by HL = k* (Vt2 – Va2), where Vt and Va are velocities through and above the screen respectively. What is the value of constant k? |
A. | 1 |
B. | 0.0050 |
C. | 0.0729 |
D. | 0.0236 |
Answer» D. 0.0236 | |
2. |
The maximum spacing between the bars in medium screen is ____________ |
A. | 40mm |
B. | 50mm |
C. | 70mm |
D. | 90mm |
Answer» B. 50mm | |
3. |
Screens are inclined to the direction of flow to ____________ |
A. | Increase the flow velocity |
B. | Increase the opening area |
C. | Decrease the flow velocity |
D. | Increase the head loss |
Answer» D. Increase the head loss | |
4. |
The spacing between the bars in racks is ____________ |
A. | 30mm |
B. | 50mm |
C. | 70mm |
D. | 90mm |
Answer» C. 70mm | |
5. |
The minimum spacing between the bars on fine screen is ____________ |
A. | 0.3mm |
B. | 0.9mm |
C. | 1.5mm |
D. | 0.5mm |
Answer» D. 0.5mm | |
6. |
The head loss through the screen is given by HL = k* (Vt2 – Va2), where Vt and Va are velocities through and above the screen respectively. What is the value of constant k?$ |
A. | 1 |
B. | 0.0050 |
C. | 0.0729 |
D. | 0.0236 |
Answer» D. 0.0236 | |
7. |
What is the maximum capacity of medium screen in collecting solids? |
A. | 30L |
B. | 40L |
C. | 50L |
D. | 90L |
Answer» E. | |
8. |
__________ is used to cut the sewage into smaller parts. |
A. | Flocculator |
B. | Tube settlers |
C. | Shredders |
D. | Aerators |
Answer» D. Aerators | |
9. |
The maximum spacing between the bars in medium screen is |
A. | 40mm |
B. | 50mm |
C. | 70mm |
D. | 90mm |
Answer» B. 50mm | |
10. |
Screens are inclined to the direction of flow to |
A. | Increase the flow velocity |
B. | Increase the opening area |
C. | Decrease the flow velocity |
D. | Increase the head loss |
Answer» D. Increase the head loss | |
11. |
The spacing between the bars in racks is |
A. | 30mm |
B. | 50mm |
C. | 70mm |
D. | 90mm |
Answer» C. 70mm | |
12. |
The minimum spacing between the bars on fine screen is |
A. | 0.3mm |
B. | 0.9mm |
C. | 1.5mm |
D. | 0.5mm |
Answer» D. 0.5mm | |