 
			 
			MCQOPTIONS
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				| 1. | For short sights of about _____ m or less, an ordinary levelling staff may be used. For long sights, special staff called stadia rod is generally used. | 
| A. | 50 | 
| B. | 100 | 
| C. | 150 | 
| D. | 200 | 
| Answer» C. 150 | |