Steel Structure Short Questions and Answers
41. The shape of perforations in the perforated plates used as built up compression member is normally
A.Elliptical
B.Rectangular
C.Parabolic
D.Traingular
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A. Elliptical
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42. When a tension member consists of two channel sections, the allowance for rivet hole is made for two holes from
A.Each hle web
B.Each flange
C.Each web or one hole from each flange whichever is more
D.Each web or one hole from each flange whichever is less
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43. The rivets which are heated and then in the field, are known
A.Power driven shop rivets
B.Power driven field rivets
C.Hand driven rivets
D.Cold driven rivets
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44. The maximum bending moment in the gantry girder under a moving load occurs when its axis and C.G. of the loads are
A.At any of the extreme corners
B.At L/4 from any corner
C.At L/3 from any corner
D.At the mid span
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45. Wind is assumed as acting horizontally, the intensity of wind pressuer is proportional to the velocity of wind as
A.(Velocity of wind)1/2
B.(velocity of wind)
C.(Velocity of wind)3/2
D.(Velocity of wind)2
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