81. The centrifugal force due to curvature of track is assumed to act on the bridge at a height of
a) 1.23 m above the rail level
b) 1.50 m above the rail level
c) 1.83 m above the rail level
d) 2.13m above the rail level
Ans: c
82. The effect of racking forces is considered in the design of
i) lateral braces
ii) chord members
The correct answer is
a) only (i)
b) only (ii)
c) both (i) and (ii)
d) none of the above
Ans: a
83. The portal bracing in a truss bridge is used to
a) transfer load from top of end posts to bearings
b) keep the rectangular shape of the bridge cross-section
c) stiffen the structure laterally
d) prevent the sideways buckling of top chord
Ans: a
84. The sway bracing is designed to transfer
a) 2Vi % of the top panel wind load to bottom bracing
b) 10% of the top panel wind load to bottom bracing
c) 25% of the top panel wind load to bottom bracing
d) 50% of the top panel wind load to bottom bracing
Ans: d
85. Study the following statements.
i) Top lateral bracing prevents the sidesway buckling of the chord.
ii) Sway bracing keeps the rectangular shape of the bridge cross-section.
iii) Sway bracing transfers the load from top of end posts to bearings.
The correct answer is
a) only (i)
b) both (i) and (ii)
c) both (i) aad (iii)
d) all (i), (ii) and (iii)
Ans: b
86. The bracing provided in the plane of end posts is called
a) sway bracing
b) portal bracing
c) top lateral bracing
d) bottom lateral bracing
Ans: b
87. compression force in two end posts The pin of a rocker bearing in a bridge is designed for
a) bearing and shear
b) bending and shear
c) bearing and bending
d) bearing, shear and bending
Ans: d
88. The least dimension in case of a circular column of diameter D is taken as
a) 0.5 D
b) 0.68 D
c) 0.88 D
d) D
Ans: c
89. In case of timber structures, the form factor for solid circular cross-section is taken as
a) 1.18
b) 1.414
c) 1.67
d) 1.81
Ans: a
90. In case of timber structures, the simple bending formula M = fz may be applied for
a) rectangular beams up to 300 mm depth
b) all rectangular beams
c) solid circular beams only
d) all square cross-section beams
Ans: a
Read More Questions:
Design of Steel Structures MCQs Part1
Design of Steel Structures MCQs Part2
a) 1.23 m above the rail level
b) 1.50 m above the rail level
c) 1.83 m above the rail level
d) 2.13m above the rail level
Ans: c
82. The effect of racking forces is considered in the design of
i) lateral braces
ii) chord members
The correct answer is
a) only (i)
b) only (ii)
c) both (i) and (ii)
d) none of the above
Ans: a
83. The portal bracing in a truss bridge is used to
a) transfer load from top of end posts to bearings
b) keep the rectangular shape of the bridge cross-section
c) stiffen the structure laterally
d) prevent the sideways buckling of top chord
Ans: a
84. The sway bracing is designed to transfer
a) 2Vi % of the top panel wind load to bottom bracing
b) 10% of the top panel wind load to bottom bracing
c) 25% of the top panel wind load to bottom bracing
d) 50% of the top panel wind load to bottom bracing
Ans: d
85. Study the following statements.
i) Top lateral bracing prevents the sidesway buckling of the chord.
ii) Sway bracing keeps the rectangular shape of the bridge cross-section.
iii) Sway bracing transfers the load from top of end posts to bearings.
The correct answer is
a) only (i)
b) both (i) and (ii)
c) both (i) aad (iii)
d) all (i), (ii) and (iii)
Ans: b
86. The bracing provided in the plane of end posts is called
a) sway bracing
b) portal bracing
c) top lateral bracing
d) bottom lateral bracing
Ans: b
87. compression force in two end posts The pin of a rocker bearing in a bridge is designed for
a) bearing and shear
b) bending and shear
c) bearing and bending
d) bearing, shear and bending
Ans: d
88. The least dimension in case of a circular column of diameter D is taken as
a) 0.5 D
b) 0.68 D
c) 0.88 D
d) D
Ans: c
89. In case of timber structures, the form factor for solid circular cross-section is taken as
a) 1.18
b) 1.414
c) 1.67
d) 1.81
Ans: a
90. In case of timber structures, the simple bending formula M = fz may be applied for
a) rectangular beams up to 300 mm depth
b) all rectangular beams
c) solid circular beams only
d) all square cross-section beams
Ans: a
Read More Questions:
Design of Steel Structures MCQs Part1
Design of Steel Structures MCQs Part2
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