Question:
Circular divisions = 50, pitch = 0.5 mm. Find diameter.
Circular divisions = 50, pitch = 0.5 mm. Find diameter.
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Total reading = MSR + (CSR × LC).
Updated On: Apr 23, 2026
- 2.25 mm
- 2.20 mm
- 1.20 mm
- 1.25 mm
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The Correct Option is C
Solution and Explanation
Concept:
\[
\text{Least count} = \frac{\text{pitch}}{\text{divisions}} = \frac{0.5}{50} = 0.01\,mm
\]
Step 1: Reading
From diagram: Main scale = 1 mm
Circular scale $\approx$ 20 divisions \[ \text{Total} = 1 + 20 \times 0.01 = 1.20\,mm \] Conclusion: \(1.20\,mm\)
Step 1: Reading
From diagram: Main scale = 1 mm
Circular scale $\approx$ 20 divisions \[ \text{Total} = 1 + 20 \times 0.01 = 1.20\,mm \] Conclusion: \(1.20\,mm\)
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