In case of spur gears the top land is
A)The part of the tooth surface lying below the pitch surface
B)The curve forming face and flank
C)Radius that connects the root circle to the profile of the tooth
D)The width of the gear tooth measured axially along the pitch surface
E)The surface of the top of the tooth

Question

Quizplus · Accepted Answer

The top land of a spur gear refers to the surface at the top of the tooth, which is the part of the tooth that comes into contact with the teeth of another gear during operation.

In Case of Spur Gears the Top Land Is