Question

In zigzag lap joint formation when P is the pitch between the rivets, the distance between the rows of rivets should not be less than _____

(a) 0.6P

(b) 0.8P

(c) P

(d) 1.2P

The question was posed to me in semester exam.

Question is taken from Riveted Joints in portion Computer Aided Drawing, Riveted & Welded Joints of Engineering Drawing

Answer 1

Right option is (a) 0.6P

To explain: When two or more rows of rivets are required, rivets may be arranged in chain or zigzag formations. In chain formation the rivets are arranged directly opposite to each other but in zigzag they are staggered.