41. The diameter of base of conical flare of a steel stack is (where d is the diameter of the cylindrical part)
42. A butt weld is specified by
43. The bracing provided in the plane of end posts is called
44. The allowable shear stress in the web of mild steel beams decreases with (where 'h' is height and 't' is thickness)
45. For a compression member with double angle section, which of the following section will give larger value of minimum radius of gyration?
46. According to IS Specifications, the effective length of a column effectively held in position at both ends and restrained in direction at one end is taken as
47. compression force in two end posts The pin of a rocker bearing in a bridge is designed for
48. According to IS Specifications, the maximum pitch of rivets in compression is (where t is thickness of thinnest outside plate or angle)
49. As compared to field rivets, the shop rivets are
50. Which of the following sections should preferably be used at places where torsion occurs?
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