In worm gears, the angle between the tangent to the pitch helix and an element of the cylinder, is known as

In worm gears, the angle between the tangent to the pitch helix and a

1.	In worm gears, the angle between the tangent to the pitch helix and an element of the cylinder, is known as
A.	Helix angle
B.	Pressure angle
C.	Pitch lead angle
D.	None of these
Answer» B. Pressure angle

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In worm gears, the angle between the tangent to the pitch helix and an element of the cylinder, is known as

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