Question

What is the permissible error in the perpendicular motion of ocular microscope column w.r.t. The work stage over 100 mm movements?

(a) 0.04 mm

(b) 0.05 mm

(c) 0.07 mm

(d) 0.06 mm

This question was addressed to me in an internship interview.

This interesting question is from Calibration of Linear and Angular Measuring Instruments topic in division Testing and Calibration of Gauges and Dynamic Measurement of Engineering Metrology

Answer 1

Right option is (d) 0.06 mm

Easy explanation: The permissible error in the perpendicular motion of ocular microscope column w.r.t. The work stage over 100 mm movements is 0.06mm.