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By which of the following procedures, the slip gauges are joined together?

By which of the following procedures, the slip gauges are joined together? Correct Answer Wringing 

Explanation:

  • Slip gauges or gauge blocks are used as standards for precision length measurement
  • These gauges are made in sets and consist of a number of hardened blocks made of high-grade steel with low thermal expansion
  • These slip gauges are available in various sets with different numbers
  • A particular size can be built up by wringing individual slip gauges together
  • Wringing is the act of joining the slip gauges together while building up to sizes
  • Wringing is the phenomenon of adhesion of two flat and smooth surfaces when they are brought in close contact with each other.

The following are the preferred steps in the wringing of slip gauges:

  1. Clean slip gauge surfaces with a fine hairbrush and a dry pad
  2. Overlap gauging surfaces by about one-fourth of their length
  3. Slide one block perpendicularly across the other by applying moderate pressure
  4. Now, gently rotate one of the blocks until it is in line with the other block

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Wringing occurs due to molecular adhesion between a liquid film (thickness about 6 μm to 7 μm) and the mating surface.

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