 
			 
			MCQOPTIONS
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				This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Waste Water Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. | In which of these treatment systems diaphragm valves are preferred? | 
| A. | tMoving Bed Bioreactor(MBBR) | 
| B. | tDesalination | 
| C. | tUltrafiltration | 
| D. | tDemineralisation systems | 
| Answer» E. | |
| 2. | Of the below mentioned valves which of these are used to control the flow of liquid in a single direction? | 
| A. | tButterfly valve | 
| B. | tBall valve | 
| C. | tCheck valve | 
| D. | tPlug valve | 
| Answer» D. tPlug valve | |
| 3. | In globe valves, the flow rate control is determined by _______ | 
| A. | tSize of the opening | 
| B. | tLift of the valve plug | 
| C. | tPressure difference | 
| D. | tGravity | 
| Answer» C. tPressure difference | |
| 4. | What is the purpose of pinch valve/ | 
| A. | tHydraulic control | 
| B. | tSlurry flow regulation | 
| C. | tFlow control | 
| D. | tRegulate fluids | 
| Answer» C. tFlow control | |