What are gauge blocks and how are they used? Draw a sketch of (a) a height gauge and (b) a depth gauge. What practical difficulties may be met in using these instruments? Discuss the main procedures...

What are gauge blocks and how are they used?

Draw a sketch of (a) a height gauge and (b) a depth gauge. What practical difficulties may be met in using these instruments?

Discuss the main procedures involved in calibrating dimension-measuring