What are common causes of sensor misalignment and how would you correct them?

• A. Misalignment is solely due to thermal expansion; adjust by loosening mounts.
• B. Misalignment is caused by software calibration error; reprogram controller.
• C. Misalignment can be caused by improper mounting, target positioning, or mechanical wear; correct by realigning to reference marks and re-tightening mounts.
• D. Misalignment cannot be corrected once installed.

Answer: (C)