Which of the following statement is correct for involute gears?

1.	Which of the following statement is correct for involute gears?
A.	The interference is inherently absent.
B.	The variation in centre distance of shafts increases radial force.
C.	A convex flank is always in contact with concave flank.
D.	The pressure angle is constant throughout the teeth engagement.
Answer» E.

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Which of the following statement is correct for involute gears?

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