MCQOPTIONS
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MCQOPTIONS
This section includes 10 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 value of specific gravity for Garnet sand is ____ |
| A. | 2.1 |
| B. | 3.6 |
| C. | 4.2 |
| D. | 5.1 |
| Answer» D. 5.1 | |
| 2. |
The value of uniformity coefficient for uniformly graded sand is ______ |
| A. | 0 |
| B. | 1 |
| C. | 10 |
| D. | 100 |
| Answer» C. 10 | |
| 3. |
What is the value of specific gravity of sand filter? |
| A. | 2 |
| B. | 2.6 |
| C. | 3.1 |
| D. | 3.5 |
| Answer» C. 3.1 | |
| 4. |
The effective size of sand of the slow sand filter is __________ |
| A. | 0.1-0.2mm |
| B. | 0.2-0.3mm |
| C. | 0.4-0.7mm |
| D. | 1-2mm |
| Answer» C. 0.4-0.7mm | |
| 5. |
What is CU in the expression CU= D60/D10 where D60 and D10 are the sizes of particle such that 60% and 10% of the particles are finer than these sizes respectively? |
| A. | Coefficient of compaction |
| B. | Coefficient of consolidation |
| C. | Uniformity coefficient |
| D. | Effective size |
| Answer» D. Effective size | |
| 6. |
____ represents the size of sand particle such that 10% of particles are finer than this size. |
| A. | D0.1 |
| B. | D1 |
| C. | D10 |
| D. | D100 |
| Answer» D. D100 | |
| 7. |
The uniformity characteristics of sand expressed in terms of __________ |
| A. | Effective size |
| B. | Effective size and uniformity coefficient |
| C. | Uniformity coefficient |
| D. | Mean velocity |
| Answer» C. Uniformity coefficient | |
| 8. |
Consider the following statements regarding sand as filter material.i. It should be free from clay or siltii. Organic matter should be present in the sandiii. It should be nonuniformWhich of the above statement is/are correct? |
| A. | i, ii |
| B. | i only |
| C. | ii, iii |
| D. | i, ii, iii |
| Answer» C. ii, iii | |
| 9. |
Which of the following is correct regarding the cheapest filter material used in water treatment? |
| A. | Sand>Anthracite>Garnet sand |
| B. | Sand<Anthracite>Garnet sand |
| C. | Sand<Anthracite<Garnet sand |
| D. | Sand=Anthracite>Garnet sand |
| Answer» B. Sand<Anthracite>Garnet sand | |
| 10. |
Which of the following is not commonly used as a filter material in the treatment of water? |
| A. | Sand |
| B. | Anthracite |
| C. | Crushed rock |
| D. | Garnet sand |
| Answer» D. Garnet sand | |