A screw gauge advances 3.0 mm in 8 complete rotations and has 75 divisions on its circular scale. While measuring a wire, the pitch-scale reading is 1.50 mm and the 46th circular-scale division coincides with the reference line. The zero error is +0.015 mm. The corrected diameter is:
Physics · Unit dimension and error · vernier callipers and screw gauge
A screw gauge advances 3.0 mm in 8 complete rotations and has 75 divisions on its circular scale. While measuring a wire, the pitch-scale reading is 1.50 mm and the 46th circular-scale division coincides with the reference line. The zero error is +0.015 mm. The corrected diameter is:
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