MCQOPTIONS
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MCQOPTIONS
This section includes 14 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. |
A circular sewer having 0.4m diameter is flowing with velocity 2m/Sec. If the gradient of sewer is 1 in 90. Find the value of Chezy’s coefficient? |
| A. | 10 |
| B. | 30 |
| C. | 60 |
| D. | 40 |
| Answer» E. | |
| 2. |
The diameter of a circular sewer is 0.8m. The desired depth of flow is __________ |
| A. | 2/3 of the circular section of sewer |
| B. | 1/3 of the circular section of sewer |
| C. | 1/2 of the circular section of sewer |
| D. | 1/4 of the circular section of sewer |
| Answer» B. 1/3 of the circular section of sewer | |
| 3. |
The diameter of the circular sewer is 0.2m. The desired depth of flow is __________ |
| A. | 2/3 of the circular section of sewer |
| B. | 1/3 of the circular section of sewer |
| C. | 1/2 of the circular section of sewer |
| D. | 1/4 of the circular section of sewer |
| Answer» D. 1/4 of the circular section of sewer | |
| 4. |
The proportional perimeter of a circular sewer running partially half where K is the central angle subtended at a circular section of sewer is __________ |
| A. | K/360o |
| B. | K/90o |
| C. | K/270o |
| D. | K/180o |
| Answer» B. K/90o | |
| 5. |
The proportional depth of a circular sewer running partially half is __________ |
| A. | (1-cosK/2) |
| B. | (1/2) * (1-sinK/2) |
| C. | (1/2) * (1-cosK/2) |
| D. | (1-cosK/2)2 |
| Answer» D. (1-cosK/2)2 | |
| 6. |
A circular section of sewer gives _______ area for a given perimeter. |
| A. | Small |
| B. | Large |
| C. | Minimum |
| D. | Maximum |
| Answer» E. | |
| 7. |
A_CIRCULAR_SEWER_HAVING_0.4M_DIAMETER_IS_FLOWING_WITH_VELOCITY_2M/SEC._IF_THE_GRADIENT_OF_SEWER_IS_1_IN_90._FIND_THE_VALUE_OF_CHEZY‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•S_COEFFICIENT??$# |
| A. | 10 |
| B. | 30 |
| C. | 60 |
| D. | 40 |
| Answer» E. | |
| 8. |
The diameter of circular sewer is 0.2m. The desired depth of flow is |
| A. | 2/3 of the circular section of sewer |
| B. | 1/3 of the circular section of sewer |
| C. | 1/2 of the circular section of sewer |
| D. | 1/4 of the circular section of sewer |
| Answer» D. 1/4 of the circular section of sewer | |
| 9. |
The proportional perimeter of a circular sewer running partially half where K is the central angle subtended at a circular section of sewer is |
| A. | K/360<sup>o</sup> |
| B. | K/90<sup>o</sup> |
| C. | K/270<sup>o</sup> |
| D. | K/180<sup>o</sup> |
| Answer» B. K/90<sup>o</sup> | |
| 10. |
The proportional depth of a circular sewer running partially half is |
| A. | (1-cosK/2) |
| B. | (1/2) * (1-sinK/2) |
| C. | (1/2) * (1-cosK/2) |
| D. | (1-cosK/2)<sup>2</sup> |
| Answer» D. (1-cosK/2)<sup>2</sup> | |
| 11. |
The hydraulic mean depth of a circular section running full is |
| A. | `D |
| B. | D/2 |
| C. | D<sup>2</sup> |
| D. | D/4 |
| Answer» E. | |
| 12. |
What is the wetted perimeter of a circular section of sewer? |
| A. | (22/7) *D<sup>2</sup> |
| B. | (22/7) *D |
| C. | (22/7) *D<sup>2</sup> |
| D. | (22/7)<sup>2</sup> *D |
| Answer» C. (22/7) *D<sup>2</sup> | |
| 13. |
A circular section of sewer gives _______ area for a given perimeter. |
| A. | Small |
| B. | Large |
| C. | Minimum |
| D. | Maximum |
| Answer» E. | |
| 14. |
Which of the following is incorrect regarding circular sewer? |
| A. | It is easily manufactured |
| B. | It offers more opportunities for deposits |
| C. | It is the most economical section |
| D. | It has uniform curvature |
| Answer» C. It is the most economical section | |