Engine : Expired / Engineering Safety - 12/275
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| The lengthening of a crack formed in the shell plating of a ship may be prevented by __________. |
| A) drilling a hole at each end of the crack |
| B) chipping out and slot welding the entire crack |
| C) cutting a square notch at each end of the crack |
| D) welding brackets across both ends of the crack |
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