Question

What do you mean by the zero error of a screw gauge? How is it accounted for?​

Answer 1

Answer:

Explanation:

What do you mean by zero error of screw gauge and how is it accounted for?

Zero error is caused by wear and tear of the screw, nut, spindle and / or the anvil. When the spindle is closed so that the face of the spindle touches the anvil, the scales should read exactly 0.00mm.

Hope it helps you.