Question

What is the range of measurement in a single setting of internal dial gauge with scale division value of 0.002 mm?

(a) ±0.06 mm

(b) ±0.02 mm

(c) ±0.01 mm

(d) ±0.1 mm

I got this question during a job interview.

Question is taken from Indicators Gauges in section Dial Indicators and Indicating Gauges of Engineering Metrology

Answer 1

Correct option is (a) ±0.06 mm

The explanation is: The range of measurement in a single setting of internal dial gauge is approximately ± 0.06 with scale division value of 0.002 mm and ± 0.22 millimeter for scale division value of 0.01 millimeter.