Hardness is a very important property of the metals and has a wide variety of meanings. It embraces many different properties such as resistance to wear, scratching, deformation and machinability etc. It also means the ability of the metal to cut another metal.
The hardness is usually expressed in numbers which are dependent on the method of making the test.
21) Hardness of a material is defined as
Answer is:
Resistance to indentation.
Explanation:
ISRO Draughtsman-B Mechanical Question Paper - 2015 (Set -1) with Answer Key
For more MCQ's Click HereRelated ISRO Draughtsman-B Mechanical Question Paper - 2015 (Set -1) with Answer Key
Answer is:
Fl
Explanation:
A cantilever beam of length 'l' loaded at the tip with force F, the root bending moment is F*l.
Answer is:
third angle
Explanation:
In Third angle Projection Plan View is shown above the Elevation.
