Question

how do you apply the correction due to zero error?

Answer 1

Explanation:

1. Positive zero error occurs when the '0' marking of the thimble scale is below the horizontal reference line of the main scale. The error is +x mm. To correct the reading, we subtract the error from the measurement...

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Answer 2

Explanation:

actually... what is formula of thickness of sum object (like this wire, iron nail, one rupee coin whatever may be)

now the formula is

thickness (t)=pitch scale reading(psr) +((hsc)head scale coinicide *least count(lc) )±zero correction (zc)

take zero correction as 95 a negative error, zero correction is (100-95=5)

(t) = psc+(hsc*lc)±zc

(t)= psc+(hsc*lc)+5

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