A spring of mean radius 40 mm contains 8 action coils of steel (N = 80000 N/mm2), 4 mm in diameter. The clearance between the coils being 1 mm when unloaded, the minimum compressive load to remove the clearance, is
Options
A. 25 N
B. 30 N
C. 35 N
D. 40 N
Correct Answer
35 N
More questions
1. The digested sludge from septic tanks, is removed after a maximum period of