Machine Design
If threads on a bolt are left hand, threads on nut will be

Could be left or right hand
Left hand with same pitch
Right hand with same pitch
Right hand with fine pitch

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