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41 . A concentrated load is one which
A. acts at a point on a beam
B. spreads non-uniformly over the whole length of a beam
C. spreads uniformly over the whole length of a beam
D. varies uniformly over the whole length of a beam

42 . If the tearing efficiency of a riveted joint is 50%, then ratio of rivet hole diameter to the pitch of rivets is
A. 0.20
B. 0.30
C. 0.50
D. 0.60

43 . The rectangular beam 'A' has length l, width b and depth d. Another beam 'B' has the same length and depth but width is double that of 'A'. The elastic strength of beam 'B' will be __________ as compa
A. same
B. double
C. four times
D. six times

44 . In a simple bending of beams, the stress in the beam varies
A. linearly
B. parabolically
C. hyperbolically
D. elliptically

45 . The stress at which the extension of the material takes place more quickly as compared to the increase in load, is called
A. elastic limit
B. yield point
C. ultimate point
D. breaking point