What is the accuracy of surface straightness in angle plates?
(a) ±0.001 mm in 25 mm length
(b) ±0.01 mm in 25 mm length
(c) ±0.04 mm in 25 mm length
(d) ±0.004 mm in 25 mm length
I got this question during an interview.
Query is from Angle Plates in portion Linear Measurements of Engineering Metrology