61. The live load for a sloping roof with slope 15°, where access is not provided to roof, is taken as
a) 0.65 kN/m2b) 0.75 kN/m2
c) 1.35 kN/m2
d) 1.50 kN/m2
Ans: a
62. The internal pressure coefficient on walls for buildings with large permeability is taken as
a) ± 0.2
b) ±0.5
c) ± 0.7
d) 0
Ans: c
63. The basic wind speed is specified at a height 'h' above mean ground level in an open terrain. The value of'h' is
a) 10 m
b) 20 m
c) 25 m
d) 50 m
Ans: a
64. The risk coefficient k, depends on
a) mean probable design life of structures
b) basic wind speed
c) both (a) and (b)
d) none of the above
Ans: c
65. The external wind pressure acting on a roof depends on
a) degree of permeability of roof
b) slope of roof
c) both (a) and (b)
d) none of the above
Ans: b
66. Area of openings for buildings of large permeability is more than
a) 10% of wall area
b) 20% of wall area
c) 30% of wall area
d) 50% of wall area
Ans: b
67. As per IS : 875, for the purposes of specifying basic wind velocity, the country has been divided into
a) 4 zones
b) 5 zones
c) 6 zones
d) 7 zones
Ans: c
68. The number of seismic zones in which the country has been divided are
a) 3
b) 5
c) 6
d) 7
Ans: b
69. Minimum pitch provided in riveted steel tanks is
a) 1.5 d
b) 2.0 d
c) 2.5 d
d) 3.0 d
where d is diameter of rivets
Ans: d
70. The allowable tensile stress in structural mild steel plates for steel tank is assumed as
a) 95.0 MPa on net area
b) 105.5 MPa on net area
c) 105.5 MPa on gross area
d) 150.0 MPa on gross area
Ans: b
Read More Questions:
Design of Steel Structures MCQs Part1
Design of Steel Structures MCQs Part2
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