 
			 
			MCQOPTIONS
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				| 1. | What is the most effective dosage of UV to be used as a disinfectant? | 
| A. | t20-100 mJ/cm<sup>2</sup> | 
| B. | t10-20 mJ/cm<sup>2</sup> | 
| C. | t100-120 mJ/cm<sup>2</sup> | 
| D. | t130-150 mJ/cm<sup>2</sup> | 
| Answer» B. t10-20 mJ/cm<sup>2</sup> | |