111 What is Roughness? Answer the question by relating it to Tribology
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111 What is Roughness?
Answer the question by relating it to Tribology
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- What is elongation testing?12. True or false? In Brinell hardness test, the depth of indentation must not be too great relative to the thickness of the test-piece, otherwise the table supporting the test-piece would be taking the load and not the test-piece itself True FalseGive a formula that can be used to determine a been allowance for a soft material
- 2. Sharp notches are often added to plastic food packages to help open them (along with arrows indicating where they should be torn). Why do they do this, and why is it sometimes very hard to open them without this notch? Would it be harder or easier to open with a semi-circular notch and why? YY (ENISH) TOMATO 10 ATE TOMATE CONCENTRATE FRO NUSARY Heinsoutline the significant differences between rockwell and brinell hardness testi want full answer with the all steps