To avoid the tearing off the plate of an edge, the margin (i.e., the minimum distance from the centre of the rivet hole to the nearest edge of the plate) should be equal to ____________________?
Correct answer: C. 1.5 d
- A. 0.5 d
- B. d
- C. 1.5 d
- D. 2.5 d
Explanation
A margin of about 1.5d provides enough plate width outside the rivet hole to prevent the edge from tearing away, where d is the rivet diameter. Smaller margins leave too little resisting section.
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