MCQOPTIONS
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MCQOPTIONS
This section includes 6 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. |
If the diameter of pumping mains decreases, then the total dynamic head will increase. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
The efficiency of the pump at quarter load is ____________ |
| A. | 50% |
| B. | 70% |
| C. | 80% |
| D. | 100% |
| Answer» B. 70% | |
| 3. |
The efficiency of the pump at half load is ____________ |
| A. | 50% |
| B. | 70% |
| C. | 80% |
| D. | 100% |
| Answer» C. 80% | |
| 4. |
When the pumps are in series operation? |
| A. | H = H<sub>1</sub> + H<sub>2</sub> |
| B. | 1/H = 1/H<sub>1</sub> +1/ H<sub>2</sub> |
| C. | Q = Q<sub>1</sub> + Q<sub>2</sub> |
| D. | 1/Q = 1/Q<sub>1</sub> + 1/Q<sub>2</sub> |
| Answer» B. 1/H = 1/H<sub>1</sub> +1/ H<sub>2</sub> | |
| 5. |
When the pumps are in parallel operation? |
| A. | H = H<sub>1</sub> + H<sub>2</sub> |
| B. | 1/H = 1/H<sub>1</sub> +1/ H<sub>2</sub> |
| C. | Q = Q<sub>1</sub> + Q<sub>2</sub> |
| D. | 1/Q = 1/Q<sub>1</sub> + 1/Q<sub>2</sub> |
| Answer» D. 1/Q = 1/Q<sub>1</sub> + 1/Q<sub>2</sub> | |
| 6. |
The plot of total dynamic head and discharge of a pump is called ____________ |
| A. | Dynamic head curve |
| B. | System head curve |
| C. | Pump curve |
| D. | Discharge curve |
| Answer» C. Pump curve | |