A helical gear has the active face width equal to b pitch p and helix – McqOptions

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1.	A helical gear has the active face width equal to b pitch p and helix angle . What should be the minimum value of b in order that contact is maintained across the entire active face of the gear?
A.	p cos
B.	p sec
C.	p tan
D.	p cot
Answer» E.

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