Machine Design
Idler pulley is used for

For applying tension
Increasing velocity ratio
All of these
Changing the direction of motion of belt

ANSWER DOWNLOAD EXAMIANS APP

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

Have variable bending moment (M) in each leaf
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

ANSWER DOWNLOAD EXAMIANS APP