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This section includes 8 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. |
In the expression vS = 1.8 (g*d (G-1))1/2, the diameter of spherical particle is ____________ |
A. | 0.1mm |
B. | < 0.1mm |
C. | 1mm |
D. | >1mm |
Answer» E. | |
2. |
The settling velocity of spherical particle is given by ____________ |
A. | Darcy Weisbach equation |
B. | Hazen and William equation |
C. | Stokes equation |
D. | Bernoulli’s equation |
Answer» D. Bernoulli’s equation | |
3. |
How many types of settling are there in the sedimentation tank? |
A. | 3 |
B. | 4 |
C. | 5 |
D. | 6 |
Answer» C. 5 | |
4. |
_______ is formed when alum is added to sewage. |
A. | Acid |
B. | Floc |
C. | Salt |
D. | Base |
Answer» C. Salt | |
5. |
In which type of settling, settling of particles takes place by the contact of impurities with each other present in wastewater? |
A. | Flocculent settling |
B. | Hindered settling |
C. | Compression settling |
D. | Discrete settling |
Answer» D. Discrete settling | |
6. |
In the expression vS = 1.8 (g*d (G-1)) 1/2, the diameter of spherical particle is |
A. | 0.1mm |
B. | < 0.1mm |
C. | 1mm |
D. | >1mm |
Answer» E. | |
7. |
The settling velocity of spherical particle is given by |
A. | Darcy Weisbach equation |
B. | Hazen and William equation |
C. | Stokes equation |
D. | Bernoulli’s equation |
Answer» D. Bernoulli‚Äö√Ñ√∂‚àö√ë‚àö¬•s equation | |
8. |
How many types of settling are there in sedimentation tank? |
A. | 3 |
B. | 4 |
C. | 5 |
D. | 6 |
Answer» C. 5 | |