Question

Height of head for flat countersunk head rivet is ______

(a) 0.7d, where d=nominal rivet diameter

(b) 0.5d, where d=nominal rivet diameter

(c) 0.43d, where d=nominal rivet diameter

(d) 0.25d, where d=nominal rivet diameter

I have been asked this question in an online quiz.

My doubt is from Riveted Connections in chapter Bolted Connections of Design of Steel Structures

Answer 1

Correct answer is (c) 0.43d, where d=nominal rivet diameter

Best explanation: Diameter of head for

 (i) button head rivet = 0.7d,

 (ii) flat countersunk head rivet = 0.43d,

 (iii) flat head rivet = 0.25d, where d=nominal rivet diameter.