 
			 
			MCQOPTIONS
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				| 1. | If the crack length inside the material is increased by 4 times. The fracture strength will ___________ | 
| A. | decrease by 4 times | 
| B. | decrease by 2 times | 
| C. | increase by 4 times | 
| D. | increase by 2 times | 
| Answer» C. increase by 4 times | |