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_UNIFORMITY_COEFFICIENT_FOR_UNIFORMLY_GRADED_SAND_IS_______?$ |
| A. | 0 |
| B. | 1 |
| C. | 10 |
| D. | 100 |
| Answer» C. 10 | |
| 2. |
Which of the following statement is correct?$ |
| A. | Ignition loss of filter should not exceed 3% |
| B. | Wearing loss of filter sand should not exceed 5% |
| C. | The range of CU for the slow sand filter is 3-5 |
| D. | The range of CU for the rapid sand filter is 3-5 |
| Answer» D. The range of CU for the rapid sand filter is 3-5 | |
| 3. |
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 | |
| 4. |
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 | |
| 5. |
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 | |
| 6. |
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 | |
| 7. |
____ represents the size of sand particle such that 10% of particles are finer than this size. |
| A. | D<sub>0.1</sub> |
| B. | D<sub>1</sub> |
| C. | D<sub>10</sub> |
| D. | D<sub>100</sub> |
| Answer» D. D<sub>100</sub> | |
| 8. |
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 | |
| 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 | |