Question

4) What is the name of caliper? | निम्न कैलीपर
का नाम क्या है ?
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Answer 1

A caliper using a calibrated screw for measurement, rather than a slide, is called an external micrometer caliper gauge, a micrometer caliper or, more often, simply a micrometer.

Answer 2

Answer:

Vernier calipers commonly used in industry provide a precision to 0.01 mm (10 micrometres), or one thousandth of an inch.