How can you find the hardness of a material?
What will be an ideal response?
By applying force to a material in a very small area, the hardness of that material can be found. Many hardness testing machines use a hardened steel or diamond point that is pushed into the surface of a material with a predetermined force and the resulting diameter of the dent is carefully measured.
You might also like to view...
The guiding principle of President Carter's foreign policy was
A. isolationism. B. containment. C. détente. D. roll back. E. human rights.
If the frequency output of a MAF is plotted on a graph along with engine RPM the resulting lines should be ________
A) A parabola B) A straight line C) A sharp curve D) In opposite directions
Pressure bleeders make one-person brake bleeding easier and help prevent running the ______________ during the bleeding process
Fill in the blank(s) with the appropriate word(s).
What types of pliers are primarily used for mechanical HVACR work?
What will be an ideal response?