Questions
A screw gauge has a screw having 2 threads in 1mm. The circular scale has 50 divisions. Find the diameter of wire, if the main scale shows 6th division and the circular reads 4
detailed solution
Correct option is D
Least count=pitchNumber of divisions=0.550=0.01 mmDiameter of wire=6×0.5+4×0.01=3.04mmTherefore, the correct answer is (D).Talk to our academic expert!
Similar Questions
The distance moved by the screw of a screw gauge is in four rotations and there are 50 divisions on its cap. When nothing is put between its jaws, 20th division of circular scale coincides with reference line and zero of linear scale is hidden from circular scale when two jaws touch each other or zero of circular scale is lying above the reference line. When plate is placed between the jaws, main scale reads 2 divisions and circular scale reads 20 divisions. Thickness of plate is
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