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The involute profile of spur gear is limited to only up to the ______.
root circle
base circle
pitch circle
addendum circle
base circle
Quick Summary: Practice and solve "The involute profile of spur gear is limited to only up to the ______...." for Electrical - Measurement & Instrumentation. The correct answer is Option B: base circle. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Answer:
Option **(b) **