The pitch of screw gauge is 1 mm and there are 100 divisions

Last updated: 6/9/2023

The pitch of screw gauge is 1 mm and there are 100 divisions on circular scale While measuring diameter of a wire linear scale reads 1 mm and 39th division of circular scale coincides with reference line The zero error is 0 05 mm The correct diameter of wire is O 1 39 mm O 1 44 mm O 1 35 mm 01 034 mm