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

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

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
Coaxing is the procedure of increasing

Metal hardness by surface treatment
Fatigue limit by over-stressing the metal by successively increasing loadings
Metal resistance to corrosion by coating
Metal strength by cycling

ANSWER DOWNLOAD EXAMIANS APP