 
			 
			MCQOPTIONS
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				| 1. | When (h) is the difference in heights between the extremities of a chain length (l), then the correction for slope required is | 
| A. | h / l | 
| B. | h2 / l | 
| C. | h2 / 2l | 
| D. | h / el | 
| Answer» D. h / el | |