Machine Design
If T₁ and T₂ are the tensions on the tight and slack sides of the belt respectively, and Tc is the centrifugal tension, then initial tension in the belt is equal to

(T₁ + T₂ + Tc)/2
T₁ + T₂ + Tc
(T₁ - T₂ + Tc)/2
T₁ - T₂ + Tc

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
The cracks in helical springs used in railway carriages usually start on the inner side of the coil because of the fact that

It has a lower curvature than the outer side
It is more stretched than the outer side during the manufacturing process
It is subjected to a higher stress than the outer side
It is subjected to a higher cyclic loading than the outer side

ANSWER DOWNLOAD EXAMIANS APP