101. In the virtual work method, the virtual quantity is
a) displacement
b) load
c) slope
d) moment
Ans: a
102. As per IS:800, in the plastic design, which of the following pairs are correctly matched?
Working Loads Load factor
(i) Dead load 1.7
(ii) Dead Load + imposed load 1.7
(iii) Dead load + load due to wind or 1.3 seismic forces
(iv) Dead load + imposed load + load 1.7
due to wind or seismic forces Of these statements
a) (i) and (ii) are correct
b) (i), (ii) and (iii) are correct
c) (ii) and (iii) are correct
d) only (i) is correct
Ans: a
103. The shape factor of an isosceles triangle for bending about the axis parallel to the base is:
a) 1.5
b) 1.7
c) 2.0
d) 2.34
Ans: d
104. In case of plastic design, the calculated maximum shear capacity of a beam as per IS:800 shall be
a) 0.55 Awfy
b) 0.65 Awfy
c) 0.75 Awfy
d) 0.85 Awfy
where, Aw = effective cross-sectional area resisting shear fy = yield stress of the steel
Ans: a
105. The minimum thickness of a steel plate, which is directly exposed to weather and is not accessible for cleaning and repainting, should be:
a) 4.5 mm
b) 6 mm
c) 8 mm
d) 10 mm
Ans: c
106. The moment of inertia of the pair of vertical stiffeners about the center line of the web should not be less than.
a) 1.5dV/C
b) 1.5d¥/C
c) 1.5d¥/C2
d) 1.5dY/C3
where, 't' is the minimum required thickness of the web and 'C is the maximum permitted clear distance between vertical stiffener for thickness 't'.
Ans: c
107. The connection of intermediate vertical stiffeners to the web, not subjected to external loads, shall be designed for a minimum shear force (kN/m) of
a) 75 t2/h
b) 125 t3/h2
c) 125 t2/h
d) 175 t2/h
where, t = the web thickness in mm h = the out stand of stiffener in mm
Ans: c
108. For a compression member with double angle section, which of the following section will give larger value of minimum radius of gyration?
a) equal angles back to back
b) unqual legged angles with long legs back to back
c) unequal legged angles with short legs back to back
d) both (b) or (c)
Ans: b
109. Lug angles
a) are used to reduce the length of connection.
b) are unequal angles.
c) increases shear lag.
d) all the above
Ans: a
110. For rivets in tension with counter-sunk heads, the tensile value shall be
a) reduced by 25 %
b) reduced by 33.3%
c) increased by 25 %
d) increased by 33.3 %
Ans: b
111. A steel beam supporting loads from the floor slab as well as from wall is termed as
a) stringer beam
b) lintel beam
c) spandrel beam
d) header beam
Ans: c
112. Pitch of tacking rivets, when double angles connected back to back and acting as tension members should not be more than
a) 500 mm
b) 600 mm
c) 1000 mm
d) 300 mm
Ans: c
113. In moment resistant connections, the moment resistance of riveted connection depends upon
a) shear in rivets
b) compression in rivets
c) tension in rivets
d) strength of rivets in bearing
Ans: c
114. The allowable shear stress in the web of mild steel beams decreases with
a) decrease in h/t ratio
b) increase in h/t ratio
c) decrease in thickness
d) increase in height
where 'h' is height and t is thickness
Ans: b
Read More Questions:
Design of Steel Structures MCQs Part1
Design of Steel Structures MCQs Part2
a) displacement
b) load
c) slope
d) moment
Ans: a
102. As per IS:800, in the plastic design, which of the following pairs are correctly matched?
Working Loads Load factor
(i) Dead load 1.7
(ii) Dead Load + imposed load 1.7
(iii) Dead load + load due to wind or 1.3 seismic forces
(iv) Dead load + imposed load + load 1.7
due to wind or seismic forces Of these statements
a) (i) and (ii) are correct
b) (i), (ii) and (iii) are correct
c) (ii) and (iii) are correct
d) only (i) is correct
Ans: a
103. The shape factor of an isosceles triangle for bending about the axis parallel to the base is:
a) 1.5
b) 1.7
c) 2.0
d) 2.34
Ans: d
104. In case of plastic design, the calculated maximum shear capacity of a beam as per IS:800 shall be
a) 0.55 Awfy
b) 0.65 Awfy
c) 0.75 Awfy
d) 0.85 Awfy
where, Aw = effective cross-sectional area resisting shear fy = yield stress of the steel
Ans: a
105. The minimum thickness of a steel plate, which is directly exposed to weather and is not accessible for cleaning and repainting, should be:
a) 4.5 mm
b) 6 mm
c) 8 mm
d) 10 mm
Ans: c
106. The moment of inertia of the pair of vertical stiffeners about the center line of the web should not be less than.
a) 1.5dV/C
b) 1.5d¥/C
c) 1.5d¥/C2
d) 1.5dY/C3
where, 't' is the minimum required thickness of the web and 'C is the maximum permitted clear distance between vertical stiffener for thickness 't'.
Ans: c
107. The connection of intermediate vertical stiffeners to the web, not subjected to external loads, shall be designed for a minimum shear force (kN/m) of
a) 75 t2/h
b) 125 t3/h2
c) 125 t2/h
d) 175 t2/h
where, t = the web thickness in mm h = the out stand of stiffener in mm
Ans: c
108. For a compression member with double angle section, which of the following section will give larger value of minimum radius of gyration?
a) equal angles back to back
b) unqual legged angles with long legs back to back
c) unequal legged angles with short legs back to back
d) both (b) or (c)
Ans: b
109. Lug angles
a) are used to reduce the length of connection.
b) are unequal angles.
c) increases shear lag.
d) all the above
Ans: a
110. For rivets in tension with counter-sunk heads, the tensile value shall be
a) reduced by 25 %
b) reduced by 33.3%
c) increased by 25 %
d) increased by 33.3 %
Ans: b
111. A steel beam supporting loads from the floor slab as well as from wall is termed as
a) stringer beam
b) lintel beam
c) spandrel beam
d) header beam
Ans: c
112. Pitch of tacking rivets, when double angles connected back to back and acting as tension members should not be more than
a) 500 mm
b) 600 mm
c) 1000 mm
d) 300 mm
Ans: c
113. In moment resistant connections, the moment resistance of riveted connection depends upon
a) shear in rivets
b) compression in rivets
c) tension in rivets
d) strength of rivets in bearing
Ans: c
114. The allowable shear stress in the web of mild steel beams decreases with
a) decrease in h/t ratio
b) increase in h/t ratio
c) decrease in thickness
d) increase in height
where 'h' is height and t is thickness
Ans: b
Read More Questions:
Design of Steel Structures MCQs Part1
Design of Steel Structures MCQs Part2
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