Machine Design
In designing a key, it is assumed that the distribution of forces along the length of key

Varies exponentially, being more at the torque-input end
Varies exponentially, being less at the torque-input end
Is uniform throughout
Varies linearly

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
The face of the tooth is the

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

ANSWER DOWNLOAD EXAMIANS APP