What is the formula to calculate the pitch of a screw gauge?
Four screw gauges are to be calibrated to the standard thickness tst of a wire. Series of measurements were performed by each instrument to obtain a distribution of the measured values as shown. Which of the following statements is correct?
The thimble of a screw gauge has 50 divisions. The spindle advances 1 mm when the screw is turned two revolutions.
(i) What is the pitch of screw gauge ?
(ii) What is the least count of the screw gauge ?
What is a screw gauge?
