Machine Design
When two helical springs of equal lengths are arranged to form a cluster spring, then

Both A and B is correct
Only A is correct
Shear stress in each spring will be equal
Load taken by each spring will be half the total load

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
A bolt

Has a head on one end and a nut fitted to the other
Is provided with pointed threads
Has head at one end and other end fits into a tapped hole in the other part to be joined
Has both the ends threaded

ANSWER DOWNLOAD EXAMIANS APP