Question

4. Bring the two lower jaws into contact of the zero of the vemier scale coincides with the zero of the main scale is called a) Positive error b) Negative error c) Zero error d) No error​

Answer 1

Answer:

negative error

Explanation:

For a calipers, 5 th division on main scale coincides with 4th division on vernier scale can happen when zero on vernier is left to the zero of main scale at time of contact jaws. This is called negative zero error.

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