During negative zero error in Screw Gauge, zero mark of circular scale lies_____ base line.
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Calculating zero error in screw guage - definition
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.
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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.
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