carbon content is 2%

maximum compressive strength is 200 N/mm²

minimum tensile strength is 200 N/mm²

maximum shear strength is 200 N/mm²

increase the key length

increase the key depth

increase the key width

decrease the key length

The solid length of a spring is the product of total number of coils and the diameter of the wire

The spring index is the ratio of mean diameter of the coil to the diameter of the wire

The spring stiffness is the load required per unit deflection of the spring

The pitch of the coil is the axial distance between adjacent coils in the compressed state

3 mm

6 mm

8 mm

12 mm

Correct

Incorrect