 
			 
			MCQOPTIONS
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				| 1. | A’level line’is a | 
| A. | horizontal line | 
| B. | line parallel to the mean spheriodal surface of earth | 
| C. | line passing through the center of cross hairs and the center of eye piece | 
| D. | line passing through the objective lens and the eye-piece of a dumpy or tilting level | 
| Answer» C. line passing through the center of cross hairs and the center of eye piece | |