Question

1 multiple choice 1 point technician a says left handed fasteners are often found in on the ends of rotating assemblies that turn counterclockwise like crankshafts and camshafts. technician b says left handed bolts are often marked with the letter l to indicate they are left - handed bolts. who is correct? technician a only. technician b only. both technician a and b neither technician a or b. 2 multiple choice 1 point all of the following are ways to prevent a fastener from breaking except.. using a more powerful tool using a penetrating oil tapping the head of the bolt or nut with a hammer. working the fastener back and forth before removing 3 multiple choice 1 point what is the first step in repairing damaged threads? lubricating and inserting the tap. drilling out the damaged threads inserting the threaded insert blowing out the debris after cutting new threads.

Explanation:

1. Left - handed fasteners are commonly found on ends of rotating assemblies that turn counter - clockwise like crankshafts and camshafts, and are often marked to indicate they are left - handed. So both technicians are correct.
2. Using a more powerful tool can put more stress on the fastener and increase the chance of it breaking, while the other options can help in removing fasteners without breaking them.
3. The first step in repairing damaged threads is to drill out the damaged threads to create a clean base for further repair steps.

Answer:

1. C. Both technician A and B
2. A. Using a more powerful tool
3. B. Drilling out the damaged threads