What is the least count of clinometer which is used to check reading of column rotation used for setting of helix angles in universal micrometer?
(a) 1’
(b) 2’
(c) 3’
(d) 4’
I got this question by my school teacher while I was bunking the class.
Question is from Calibration of Linear and Angular Measuring Instruments topic in portion Testing and Calibration of Gauges and Dynamic Measurement of Engineering Metrology