MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Strength of Materials knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The dosage of ozone is about ________ ppm residual ozone. |
| A. | 2 to 3 ppm |
| B. | 2 to 4 ppm |
| C. | 1 to 5 ppm |
| D. | Zero |
| Answer» B. 2 to 4 ppm | |
| 2. |
What is the uniformity coefficient of sand used in the rapid sand filter? |
| A. | 1.5 |
| B. | 1.35 |
| C. | 1.75 |
| D. | 1.6 |
| Answer» D. 1.6 | |
| 3. |
The efficiency of slow sand filter is about ___________ |
| A. | 99 % |
| B. | 95 % |
| C. | 85 % |
| D. | 90 % |
| Answer» B. 95 % | |
| 4. |
Cleaning period of slow sand filter is taken as __________ |
| A. | 1 to 3 weeks |
| B. | 1 to 3 days |
| C. | 1 to 3 months |
| D. | 1 to 2 hours |
| Answer» D. 1 to 2 hours | |
| 5. |
The sand used for filtration should not lose weight more than ________ when placed in Hcl for 24 hours. |
| A. | 5 % |
| B. | 10 % |
| C. | 15 % |
| D. | 20 % |
| Answer» B. 10 % | |
| 6. |
The organic impurities in the water from a layer on the top of a filtering media are called _______ |
| A. | Filter layer |
| B. | Permeable layer |
| C. | Impermeable layer |
| D. | Dirty skin |
| Answer» E. | |
| 7. |
Column is a tension member. |
| A. | True |
| B. | False |
| Answer» C. | |