 
			 
			MCQOPTIONS
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				| 1. | The Dimension of the stress intensity factor K is __________ | 
| A. | MPa m<sup>-1/2</sup> | 
| B. | MPa m<sup>1/2</sup> | 
| C. | MPa m | 
| D. | MPa m<sup>-1</sup> | 
| Answer» B. MPa m<sup>1/2</sup> | |