29. The main type of butt joints, is a double cover
A. shear riveted joint
B. chain riveted joint
C. zig-zag riveted joint
D. all the above.
30. A riveted joint may experience
A. shear failure
B. shear failure of plates
C. bearing failure
D. all the above.
31. A riveted joint many experience
A. tearing failure of plates
B. bearing failure of plates
C. splitting failure of plates at the edges
D. all the above.
32. If N is the number of rivets in the joint, the strength of a riveted joint against shearing of rivets, is given by
A. / = N x d2 x P
B. Ps =Nx (d x t x
C. Ps = N x (p ? d)xt x Ps
D. Ps = N x (P d) xt x p,.
33. The strength of a riveted lap joint is equal to its
A. shearing strength
B. bearing strength
C. tearing strength
D. least of (a), (b) and (c)
34. Efficiency of a riveted joint is defined as the ratio of
A. least strength of a riveted joint to the strength of solid plate
B. greatest strength of a riveted joint to the strength of solid plate
C. least strength of a riveted plate to the greatest strength of the riveted joint
D. all the above.
35. Design of a riveted joint, is based on the assumption :
A. Load is uniformly distributed among all the rivets
B. Shear stress on a rivet is uniformly distributed over its gross area
C. Bearing stress is uniform between the contact surfaces of the plate and the rivet
D. All the above.
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