The helical spring 'B' placed inside the coils f Second helical Sprung Having the same member of Coils and fue axial length and material. The mean Coil diameter of A & Bare in the ratio 3:2 and wire diameter Calculate the au 12 & 7mm Respectively mean coil diameter of both the Springs and load capacity of the assembly if the maximum shear stren in the spring A is limited to 20 mpa.