Ra is the arithmetic average of the absolute values of the profile height deviations from the mean line, recorded within the evaluation length. Simply put, Ra is the average of a set of individual measurements of a surfaces peaks and valleys.
Ra value of a surface refers to roughness of a surface.
9) Ra value of a surface refers to
Answer is:
Roughness of a surface
Explanation:
ISRO Technician-B Machinist Question Paper - 2019 (Set -1) with Answer Key
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Answer is:
478
Answer is:
Copper & Tin
Explanation:
Bronze is an alloy consisting primarily of copper, commonly with about 12–12.5% tin and often with the addition of other metals (such as aluminium, manganese, nickel or zinc) and sometimes non-metals or metalloids such as arsenic, phosphorus or silicon.
Answer is: