engineering recuitment Vizag Steel MT Mechanical 2020 Test Series Strength of Materials Springs Series and Parallel Arrangement of Springs
A helical spring of 10 N/mm rating is mounted on top of another helical spring of 8 N/mm rating. The force required for a total combined deflection of 45 mm through the two springs is
1
100 N
2
150 N
3
200 N
4
250 N