| Before welding repairs are performed to repair a crack, what is the correct procedure for performing an emergency crack stopper? |
| A) A 3/8-inch hole should be drilled at one end of the crack only, making sure that none of the crack extends beyond the hole. |
| B) A 3/8-inch hole should be drilled at each end of the crack, making sure that none of the crack extends beyond the two holes. |
| C) A 3/8-inch hole should be drilled at one end of the crack only, making sure that approximately 1/2-inch of the crack extends beyond the hole. |
| D) A 3/8-inch hole should be drilled at each end of the crack, making sure that 1/2-inch of the crack extends beyond the two holes. |
