Pick out the wrong statement?

Process Equipment and Plant Design 17/07/2021

A. Riveting provides a permanent fastening method
B. The joint made by overlapping of one plate over the other, and then riveting the two plates together with two rows of rivets is called ‘double riveted butt joint’
C. Shank diameter of the rivets should be less than the size of the hole drilled in the plate for riveting
D. The efficiency of a riveted joint is the ratio of the strength of the riveted joint to the strength of the solid plate

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