Machine Design
The connecting rod bolts are tightened up so that tightening stress

Is just sufficient to hold parts together
Approaches yield point
Is 50% of yield point
Is about yield point divided by safety factor

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
A woodruff key is

A tapered key with head at one end
All of these
Fitted in pairs at right angles
Capable of tilting in a recess milled out in the shaft

ANSWER DOWNLOAD EXAMIANS APP