 
			 
			MCQOPTIONS
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				This section includes 3 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. | What is the power of diminishment of van der Waals force with respect to distance? | 
| A. | t2 | 
| B. | t4 | 
| C. | t6 | 
| D. | t8 | 
| Answer» D. t8 | |
| 2. | What is the average land coverage of vertisols in Ethiopia? | 
| A. | t5 million ha | 
| B. | t10 million ha | 
| C. | t13 million ha | 
| D. | t16 million ha | 
| Answer» D. t16 million ha | |
| 3. | What is the time required for the depletion of oxygen in soil by waterlogging? | 
| A. | t6-12 hours | 
| B. | t1-2 days | 
| C. | t3-6 days | 
| D. | t1-4 weeks | 
| Answer» C. t3-6 days | |