Given:Involute profile teeths of mating gear: 20 and 40Pressure angle = 20°module = 10mmThe constraint: The addendum on each wheel is to be made of such a length that the line of contact on each side of the pitch point has half the maximum possible length.Find the contact ratio.

Given:Involute profile teeths of mating gear: 20 and 40Pressure angle

1.	Given:Involute profile teeths of mating gear: 20 and 40Pressure angle = 20°module = 10mmThe constraint: The addendum on each wheel is to be made of such a length that the line of contact on each side of the pitch point has half the maximum possible length.Find the contact ratio.
A.	1.23
B.	1.52
C.	1.74
D.	1.97
Answer» D. 1.97

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Given:Involute profile teeths of mating gear: 20 and 40Pressure angle = 20°module = 10mmThe constraint: The addendum on each wheel is to be made of such a length that the line of contact on each side of the pitch point has half the maximum possible length.Find the contact ratio.
Given:Involute profile teeths of mating gear: 20 and 40Pressure angle = 20°module = 10mmThe constraint: The addendum on each wheel is to be made of such a length that the line of contact on each side of the pitch point has half the maximum possible length.Find the length of arc of contact in mm.
Given:Involute profile teeths of mating gear: 20 and 40Pressure angle = 20°module = 10mmThe constraint: The addendum on each wheel is to be made of such a length that the line of contact on each side of the pitch point has half the maximum possible length.Find the length of path of contact in mm.
Given:Involute profile teeths of mating gear: 20 and 40Pressure angle = 20°module = 10mmThe constraint: The addendum on each wheel is to be made of such a length that the line of contact on each side of the pitch point has half the maximum possible length.Find the addendum height for the smaller gear wheel in mm.
Given,Involute profile teeths of mating gear: 20 and 40Pressure angle = 20°module = 10mmThe constraint: The addendum on each wheel is to be made of such a length that the line of contact on each side of the pitch point has half the maximum possible length.Find the addendum height for the larger gear wheel in mm.
If the point of contact between the two teeth is always on the involute profiles of both the teeth, then which of the phenomenon will occur?
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By changing the angle of obliquity of the teeth, interference can be avoided.

Given:Involute profile teeths of mating gear: 20 and 40Pressure angle = 20°module = 10mmThe constraint: The addendum on each wheel is to be made of such a length that the line of contact on each side of the pitch point has half the maximum possible length.Find the contact ratio.

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