Question

how zero error of screw guage can be corrected​

Answer 1

Answer:

Mark brainliest plz plz ❤️❤️

Explanation:

Calculating zero error in screw guage

Positive zero-error correction is done by subtracting the positive zero-error from the actual reading. Case (c): Negative zero-error of 4 circular scale division. Negative zero-error correction is done by adding the negative zero-error from the actual reading.

Answer 2

Answer:

corrected

When the circular scale of the screw gauge is rotated to maximum capacity and if the reference line on the main scale coincides with the zero of the circular scale there is no error on the screw gauge. ... Zero correction can be done by adding the same number of the zero error but with the opposite sign.