The dedendum circle diameter is equal to (where φ = Pressure angle)

1.	The dedendum circle diameter is equal to (where φ = Pressure angle)
A.	Pitch circle diameter × cosφ
B.	Addendum circle diameter × cosφ
C.	Clearance circle diameter × cosφ
D.	Pitch circle diameter × sinφ
Answer» B. Addendum circle diameter × cosφ

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The dedendum circle diameter is equal to (where φ = Pressure angle)

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