Question

If the 12th division of the head scale coincides with the pitch scale axis , then the zero errors will be​

Answer 1

Answer:

In screw gauge

Negative zero error - If the zeroth division of the head scale is above the index line the error is said to be negative and the correction has to be positive.

Positive zero error - If the zeroth division of the head scale is below the index line of the pitch scale, the error is said to positive and the correction is negative.

Explanation:

plz

follow

Answer 2

Answer:

It 9 that science Question