Intro to Millwright Practice Exam

What tool would you use to realign misaligned parts of machinery during assembly?

1. Chaser Nut

2. Drift Pin

3. Pry Bar

4. Nut Driver

The correct answer is: Drift Pin

Using a drift pin is an effective method for realigning misaligned parts of machinery during assembly. The drift pin is a tool designed specifically for aligning holes in two or more parts so that they can be bolted or fastened together properly. It has a tapered end that helps guide it into the holes, allowing for precise alignment before inserting a pin or bolt. When parts are misaligned, simply applying force can damage components or create uneven wear. The drift pin allows a technician to adjust the alignment gradually, ensuring parts fit together smoothly and securely. This is particularly valuable in machinery assembly, where precision is critical to ensure functionality and longevity. Other tools like a chaser nut, pry bar, or nut driver do not serve the same purpose. A chaser nut is typically used for threading purposes, a pry bar is more suited for lifting or moving heavy objects, and a nut driver is specifically for driving nuts onto bolts. These tools do not provide the capability to align holes or parts accurately during assembly. Therefore, the drift pin is the most appropriate choice for achieving proper alignment in machinery.