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how to measure screw gauge and vernier callipers and beam balance

how to measure screw gauge and vernier callipers and beam balance

Grade:12th pass

1 Answers

Vikas TU
14149 Points
one year ago
Dear student 
Steps of measurement of thickness of steel sheet with Vernier callipers:
Note the zero error of the vernier callipers without placing any object between the jaws of the vernier callipers.
Place the steel sheet in between the jaws and push the jaws firmly until the steel sheet is held tightly between the jaws.
Note the main scale reading which is coinciding with zero of vernier scale.
Note the vernier coincidence with main scale.
The thickness of the steel sheet is measured by using the following formula:
             Thickness of steel sheet = MSR + (Vernier coincidence) (Least count) ±± zero error correction
Note: If the zero error is positive, then the correction is negative and vice versa.

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