MCQOPTIONS
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				| 1. | 
                                    CSIR-Central Mechanical Engineering Research Institute has unveiled the 1st wastewater treatment technology model. Aqua Rejuvenation Plant (ARP) has purification profile of how many stages for comprehensive treatment of wastewater? | 
                            
| A. | 3 | 
| B. | 4 | 
| C. | 5 | 
| D. | 6 | 
| E. | 7 | 
| Answer» E. 7 | |