Red Seal Industrial Mechanic (Millwright) Practice Exam

How can misalignment affect machinery?

1. It can improve efficiency and reduce energy consumption

2. It has no effect on machinery performance

3. It can cause excessive wear, vibration, and eventual failure

4. It can enhance the speed of the machinery operation

The correct answer is: It can cause excessive wear, vibration, and eventual failure

Misalignment in machinery can lead to excessive wear, increased vibration, and ultimately, equipment failure. When components of machinery are not properly aligned, the forces exerted during operation can lead to uneven load distribution. This misalignment generates added stress on components such as bearings, shafts, and couplings, resulting in accelerated wear and tear. Excessive vibration caused by misaligned machinery can create a cascade of issues, including component loosening over time and increased likelihood of catastrophic failure. In effect, this not only reduces the lifespan of the machinery but can also lead to costly downtimes and repairs. Hence, recognizing and addressing misalignment is crucial for maintaining optimal machinery performance and longevity.