Two involute gears in a mesh have a circular pitch of 25 mm. The arc of contact is 55 mm. Find the number of pairs of teeth in contact.

Two involute gears in a mesh have a circular pitch of 25 mm. The arc o

1.	Two involute gears in a mesh have a circular pitch of 25 mm. The arc of contact is 55 mm. Find the number of pairs of teeth in contact.
A.	2.2
B.	0.45
C.	13.75
D.	1.3
Answer» B. 0.45

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Two involute gears in a mesh have a circular pitch of 25 mm. The arc of contact is 55 mm. Find the number of pairs of teeth in contact.

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