Monday, March 31, 2025

LATEST UPDATES
>> GEOMETRICAL CONSTRUCTIONS  >> TO DRAW PARALLEL LINE -- To draw a line through a point and parallel to a given straight line   >> TO DRAW A PERPENDICULAR TO A GIVEN LINE FROM A POINT OUTSIDE IT (AWAY FROM IT)  >> TO DRAW PERPENDICULARS TO A LINE  >> Representing scale in engineering drawing    

Saturday, 28 March 2020

HARDNESS TEST

            The hardness of material is its resistance to penetration under a localized pressure or resistance to abrasion. The hardness can be determined by any one of the following tests.

(a) Indentation (or) Penetration test:
  1. Brinell
  2. Vicker's
  3. Rockwell.

(b) Rebound test.
(c) Scratch test.

No comments:

Post a Comment

@2017 All Rights Reserved. Designed by WWW.SMARTWAY4STUDY.COM !!!! Sitemap !!!! Seo Blogger Templates