lap joint

butt joint with single cover plate

butt joint with double cover plates

none of the above

1.0 mm

1.5 mm

2.0 mm

2.5 mm

stronger

weaker

equally strong

any of the above

16 mm

20 mm

24 mm

27 mm

tension failure of the plate

shear failure of the rivet

shear failure of the plate

crushing failure of the rivet