 
			 
			MCQOPTIONS
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				This section includes 15 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. | ______ valves are used to remove sand and silt from the pipelines. | 
| A. | Air relief valve | 
| B. | Sluice valve | 
| C. | Scour valve | 
| D. | Altitude valve | 
| Answer» D. Altitude valve | |
| 2. | The valve which is preferred in elevated tanks and stand pipes is ____________ | 
| A. | Altitude valve | 
| B. | Pressure relief valve | 
| C. | Reflux valve | 
| D. | Air relief valve | 
| Answer» B. Pressure relief valve | |
| 3. | Which of the following is also known as a check valve? | 
| A. | Scour valve | 
| B. | Pressure relief valve | 
| C. | Altitude valve | 
| D. | Reflux valve | 
| Answer» E. | |
| 4. | The spacing between the Sluice valves is ____________ | 
| A. | 10m | 
| B. | 30m | 
| C. | 80m | 
| D. | 180m | 
| Answer» E. | |
| 5. | WHICH_OF_THE_FOLLOWING_IS_ALSO_KNOWN_AS_CHECK_VALVE??$ | 
| A. | Scour valve | 
| B. | Pressure relief valve | 
| C. | Altitude valve | 
| D. | Reflux valve | 
| Answer» E. | |
| 6. | ______ valves are used to remove sand and silt from the pipelines.$ | 
| A. | Air relief valve | 
| B. | Sluice valve | 
| C. | Scour valve | 
| D. | Altitude valve | 
| Answer» D. Altitude valve | |
| 7. | The valve which is preferred in elevated tanks and stand pipes is$ | 
| A. | Altitude valve | 
| B. | Pressure relief valve | 
| C. | Reflux valve | 
| D. | Air relief valve | 
| Answer» B. Pressure relief valve | |
| 8. | Which of the following valve is known as a safety valve? | 
| A. | Scour valve | 
| B. | Pressure relief valve | 
| C. | Reflux valve | 
| D. | Altitude valve | 
| Answer» C. Reflux valve | |
| 9. | Which of the following is known as washout valve? | 
| A. | Scour valve | 
| B. | Sluice valve | 
| C. | Reflux valve | 
| D. | Altitude valve | 
| Answer» B. Sluice valve | |
| 10. | _________ valve allows water to flow in one direction only. | 
| A. | Air relief valve | 
| B. | Sluice valve | 
| C. | Reflux valve | 
| D. | Altitude valve | 
| Answer» D. Altitude valve | |
| 11. | _______ valves are used to discharge air from the water pipelines. | 
| A. | Air relief valve | 
| B. | Sluice valve | 
| C. | Pressure relief valve | 
| D. | Altitude valve | 
| Answer» B. Sluice valve | |
| 12. | The Gate valves are made of _______ with brass mountings. | 
| A. | Cement concrete | 
| B. | Reinforced concrete | 
| C. | Cast iron | 
| D. | Galvanized iron | 
| Answer» D. Galvanized iron | |
| 13. | Which of the following is used to stop the water supplies when required? | 
| A. | Air relief valve | 
| B. | Sluice valve | 
| C. | Pressure relief valve | 
| D. | Altitude valve | 
| Answer» C. Pressure relief valve | |
| 14. | The spacing between the Sluice valves is | 
| A. | 10m | 
| B. | 30m | 
| C. | 80m | 
| D. | 180m | 
| Answer» E. | |
| 15. | Which of the following is known as Shut off valve? | 
| A. | Air relief valve | 
| B. | Sluice valve | 
| C. | Pressure relief valve | 
| D. | Altitude valve | 
| Answer» C. Pressure relief valve | |