 
			 
			MCQOPTIONS
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				| 1. | Closing error can be given as________ | 
| A. | (( L)<sup>2</sup>+( D)<sup>2</sup>)<sup>1/4</sup> | 
| B. | ( L<sup>2</sup>- D<sup>2</sup>)<sup>1/2</sup> | 
| C. | ( L<sup>2</sup>* D<sup>2</sup>)<sup>1/2</sup> | 
| D. | (( L)<sup>2</sup>+( D)<sup>2</sup>)<sup>1/2</sup> | 
| Answer» E. | |