engineering recuitment HPCL Junior Executive 2025 Mock Test Production Engineering (Manufacturing) Metrology and Inspection
Which of the following is a characteristic of end standards?
1
Dimensional tolerance as close as 0.0005 mm can be achieved
2
Measurements are done by using a scale
3
Scales are subjected to parallax effect; thus, giving out both positive and negative reading errors
4
A magnifying lens or microscope is required for close tolerance length measurement