ICSE Class 9 Answered
What is zero error in a screw gauge?
Asked by 22kimberlysmith2005 | 15 Aug, 2019, 08:11: PM
Expert Answer
There are two kinds of zero error—positive and negative zero error.
1. Positive zero error: When the zero mark of the circular scale is below the base line of the main scale, the zero error is said to be positive.
2. Negative zero error: When the zero markof the circular scale is above the base line of the main scale, the zero error is said to be negative.
2. Negative zero error: When the zero markof the circular scale is above the base line of the main scale, the zero error is said to be negative.
Answered by Shiwani Sawant | 15 Aug, 2019, 09:42: PM
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