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

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

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
The fatigue stress concentration factor is defined as

The ratio of endurance limit without stress concentration to the endurance limit with stress concentration
The ratio of endurance limit with stress concentration to the endurance limit without stress concentration
All of these
The product of the endurance limits with and without stress concentration

ANSWER DOWNLOAD EXAMIANS APP