Engine: Expired / General Subjects

1. 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.
2. 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.
3. 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.
4. 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.

Tip: press A-D to answer