Two involute gear have a module of 5 mm, the arc of contact is 25 mm. Find the contact ratio of these two gears?

Two involute gear have a module of 5 mm, the arc of contact is 25 mm.

1.	Two involute gear have a module of 5 mm, the arc of contact is 25 mm. Find the contact ratio of these two gears?
A.	5
B.	1.59
C.	0.2
D.	3
Answer» C. 0.2

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Two involute gear have a module of 5 mm, the arc of contact is 25 mm. Find the contact ratio of these two gears?

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