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What is the importance of the valley on an irregular surface?
Reduce metal to metal contact
Retain film of lubricating oil
Reduce stress concentration
Improve surface texture
Retain film of lubricating oil
Quick Summary: Practice and solve "What is the importance of the valley on an irregular surface?..." for Electrical - Measurement & Instrumentation. The correct answer is Option B: Retain film of lubricating oil. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Answer:
Option **(b) **