Which of the following statement is correct?


A. The size of hole drilled in riveting plates is less than the actual size of rivet.
B. The centre to centre distance between two consecutive rivets in a row is called margin.
C. Rivets are generally specified by its shank diameter.
D. Tearing of plates can be avoided by taking the pitch of rivets equal to 1.5 times the diameter of rivet hole.