 
			 
			MCQOPTIONS
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				| 1. | Statement 1: When the average radius gives an error, log mean radius is used. | 
| A. | /(ln(r<sub>0</sub>/r<sub>i</sub>)) | 
| B. | True, False | 
| C. | True, True | 
| D. | False, False | 
| Answer» C. True, True | |