Machine Design
In order to withstand resistance to wear, the best profile of gear is

20° full depth involute tooth
14½° stub tooth
20° involute stub tooth
14½° full depth involute tooth

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
The face of the tooth is the

Surface of the tooth below the pitch surface
Surface of the tooth above the pitch surface
Surface of the top of the tooth
Width of the tooth measured along the pitch circle

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
The ends of the leaves of a semi-elliptical leaf spring are made triangular in order to

Permit each leaf to act as an overhanging beam
Obtain variable moment of inertia (I) in each leaf
Make M/I constant throughout the length of the leaf
Have variable bending moment (M) in each leaf

ANSWER DOWNLOAD EXAMIANS APP