Steel Structures MCQ Multiple Choice Questions Answers - Page 2 for Practice
31. If t is the thickness of thinner plate jointed by intermittent weld, minimum spacing recommended in tension and compression joints are respectively
Correct Answer is: 16 t and 12 t
32. In a beam if the elements of cross sections buckle locally even before reaching yield stress, it belongs to
Correct Answer is: slender section
33. In a column splice, if ends are milled, the connection and splice plates may be designed for only..............percent of axial load.
Correct Answer is: 50
34. In a compression member of a truss, consisting of double angle, tacking bolts should be provided at a distance not more than
Correct Answer is: 600 mm
35. In a plate girder of depth d, if one horizontal stiffener is to be provided, it should be at...............below compression flange.
Correct Answer is: 0.2 d
36. In a plate girder, if two horizontal stiffeners are to be used they should be at depth...........from compression flange.
Correct Answer is: 0.2 d and 0.5 d
37. In a roof truss a member normally acting as tension member but occasionally subjected to compression due to wind load, slenderness ratio should not exceed
Correct Answer is: 350
38. In A.C. sheet roofing side lap should be at least
Correct Answer is: 1 corrugation
39. In A.C. sheet roofing, if slope is less than 20°, end lap should be at least
Correct Answer is: 150 mm
40. In A.C. sheet roofing, if slope is more than 20°, end lap should be at least
Correct Answer is: 100 mm
41. In case of bolted lacing, the width of lacing bars shall be.............times the nominal diameter of the bolt.
Correct Answer is: 3
42. In case of planed edges, minimum edge distance shall not be less than................times bolt hole diameter.
Correct Answer is: 1.5
43. In designing connection between web plate and flange plate, shear stress is calculated using moment of inertia of
Correct Answer is: one flange plate only
44. In designing gantry girders impact factor for horizontal force along rails is taken as
Correct Answer is: 5%
45. In double angle tension member of a truss tacking bolts are provided at a distance not exceeding
Correct Answer is: 1000 mm
46. In lap joints with welding, lap should not be less than
Correct Answer is: 4 × t or 40 mm
47. In roof trusses bracings should be provided at bottom chord level in the
Correct Answer is: last but one panel using flats
48. In roof trusses bracings should be provided at top chord level in the
Correct Answer is: end panels using angles
49. In showing welded connection the length of the weld shown should be
Correct Answer is: effective length only
50. In the design of a connection of tension member to a gusset plate, the principle to be followed is
Correct Answer is: all the above
51. In the design of gantry girders impact factor for vertical loads for electrically operated cranes is taken as
Correct Answer is: 25%
52. In the design of hands operated gantry girders, the impact factor for vertical loads to be considered is
Correct Answer is: 10%
53. Irrespective of grade, the following properties of steel are same
Correct Answer is: all the above
54. IS 800–2007 recommends use of................connections as far as possible.
Correct Answer is: welded
55. IS 800–2007, divides sections into...............number of buckling classes.
Correct Answer is: 4
56. It is recommended that columns should preferably spliced at
Correct Answer is: point of contraflexure
57. Lacing and battening of columns is to increase..............of column.
Correct Answer is: least radius of gyration
58. Lacing shall be designed to resist transverse shear Vt equal to
Correct Answer is: 2.5% of P (axial compression)
59. Limit state of strength includes
Correct Answer is: all the above
60. Load carrying capacity of compression member depends upon