Machine Design
A closely coiled helical spring is acted upon by an axial force. The maximum shear stress developed in the spring is τ. The half of the length of the spring if cut off and the remaining spring is acted upon by the same axial force. The maximum shear stress in the spring in new condition will be

τ
4 τ
2 τ
τ/2

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
The fatigue stress concentration factor is defined as

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

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Machine Design