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.

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The guiding principle of President Carter's foreign policy was

A. isolationism. B. containment. C. détente. D. roll back. E. human rights.

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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

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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).

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What types of pliers are primarily used for mechanical HVACR work?

What will be an ideal response?

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