What Causes Calipers to Measure Inaccurately?

Calipers are precision measuring tools, and several factors can contribute to inaccuracies in their measurements. The correct factors are outlined in option A:

Explanation:

1. Dirt: Accumulation of dirt or debris on the measuring surfaces can interfere with the accuracy of the measurements.

2. Wear: Over time, the wear of the caliper's components, such as the jaws or the scale, can lead to inaccuracies in measurements.

3. Improper use: Incorrect handling or use of calipers, such as applying excessive force or using them for purposes they are not designed for, can result in measurement inaccuracies.

These factors highlight the importance of proper maintenance, regular cleaning, and correct usage to ensure the precision and reliability of caliper measurements.

Therefore the correct answer is A) Dirt, wear, improper use