Which of the following statement is wrong?
A. The solid length of a spring is the product of total number of coils and the diameter of the wire
B. The spring index is the ratio of mean diameter of the coil to the diameter of the wire
C. The spring stiffness is the load required per unit deflection of the spring
D. The pitch of the coil is the axial distance between adjacent coils in the compressed state
Answer: Option D
This Question Belongs to Mechanical Engineering >> Machine Design
A cotter joint is used to connect two __________ rods.
A. Co-axial
B. Perpendicular
C. Parallel
D. None of these
The rated life of a bearing varies
A. Directly as load
B. Inversely as square of load
C. Inversely as cube of load
D. Inversely as fourth power of load
The bending stress in a curved beam is
A. Zero at the centroidal axis
B. Zero at the point other than centroidal axis
C. Maximum at the neutral axis
D. None of these
The centre to centre distance between two consecutive rivets in a row, is called
A. Margin
B. Pitch
C. Back pitch
D. Diagonal pitch
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