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1 Which section to be considered in the design for the net area of flat?
(A) 1-5-6-3
(B) 2-7-4
(C) 1-5-7-4
(D) 1-5-7-6-3
2
What is the net area for the plate 100 x 8 mm bolted with a single bolt of 20mm
diameter in case of drilled hole
(A) 624 mm2
(B) 756 mm2
(C) 800 mm2
(D) 640 mm2
3 Select the correct statement
(A) Material cost of a rivet is higher than that of a bolt
(B) Tensile strength of a bolt is lesser than that of a rivet
I
(C) Bolts are used as a temporary fastening whereas rivets are used as permanent
fastenings
(D) Riveting is less noisy than bolting
4 The effective length of a fillet weld should not be less than
(A) Two times the weld size
(B) Four times the weld size
(C) Six times the weld size
(D) Weld size
5
What is the net section area of steel plate 40cm wide and 10mm thick with one bolt
if diameter of bolt hole is 18mm?
(A) 38.2 cm2
(B) 20 cm2
(C) 240 mm2
(D) 480 mm2
6
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
7
The moment of the couple set up in a section of a beam by the longitudinal
compressive and tensile force, is known as
(A) Bending moment
(B) Moment of resistance
(C) Flexural stress moment
(D) None of these
8 What is the yield strength of bolt of class 4.6?
(A) 400 N/mm2
(B) 240 N/mm2
(C) 250 N/mm2
(D) 500 N/mm2
9 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
10 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 thickness
11 What is the minimum pitch distance?
(A) 2.0 x nominal diameter of fastener
(B) 3.0 x nominal diameter of fastener
(C) 1.5 x nominal diameter of fastener
(D) 2.5 x nominal diameter of fastener
12
The distance between e.g. of compression and e.g. of tension flanges of a plate
girder, is known as
(A) Overall depth
(B) Clear depth
(C) Effective depth
(D) None of these
13 Design of a riveted joint is based on the assumption:
(A) Bending stress in rivets is accounted for
(B) Riveted hole is assumed to be completely filled by the rivet
(C) Stress in the plate in not uniform
(D) Friction between plates is taken into account
14 The heaviest I-section for same depth is
(A) ISMB
(B) ISLB
(C) ISHB
(D) ISWB
15 Maximum pitch distance = ______________
(A) 16 x thickness of thinner plate
(B) 32 x thickness of thinner plate
(C) 40 x thickness of thinner plate
(D) 20 x thickness of thinner plate
16 Cold driven rivets range from
(A) 6 to 10 mm in diameter
(B) 10 to 16 mm in diameter
(C) 12 to 22 mm in diameter
(D) 22 to 32 mm in diameter Answer: Option C
17 The mechanism method of plastic analysis satisfies
(A) Equilibrium and mechanism conditions
(B) Equilibrium and plastic moment conditions
(C) Mechanism and plastic moment conditions
(D) Equilibrium condition only Answer: Option A
18 In case of staggered pitch, pitch may be increased by ______
(A) 50%
(B) 20%
(C) 100%
(D) 30%
19 A circular column section is generally not used in actual practice because
(A) It is uneconomical
(B) It cannot carry the load safely
(C) It is difficult to connect beams to the round sections
(D) All of the above
20 The main type of butt joints, is a double cover
(A) Shear riveted joint
(B) Chain riveted joint
(C) Zig-zag riveted joint
(D) All the above
21
By providing proper edge distances for rivets which of the following failures can
be avoided
(A)Splitting of plates at edge
(B)shear failure of plates
(C)Bearing failure of plates
(D)all the above
22
The effective length of a compression member of length L held in position and
restrained in direction at one end and effectively restrained in direction but not held
in position at the other end, is
(A) L
(B) 0.67 L
(C) 0.85 L
(D) 1.5 L
Answer: Option A
23 A tie is a
(A) Tension Member
(B) Compression Member
(C)Bending Member
(D)Bi-axial Bending Member
24
When two angles are used as a tension member, if the angles are not tack rivet the
net tension capacity
(A)Decreases
(B)increases
(C)Remains Same
(D)None of above
25 The best tension member section will be
(A)channel section
(B)riveted single angle section
(C)welded single angle section
(D)All the above
26 A steel beam supporting loads from the floor slab as well as from wall is termed as
I (A) Stringer beam
(B) Lintel beam
(C) Spandrel beam
(D) Header beam
27 Minimum pitch of the rivets shall not be less than
(A) 1.5 d
(B) 2.0 d
(C) 2.5 d
(D) 3.0 d
Where d is gross diameter of rivet
28 Which one of the following is not a tension member
(A)Cable
(B)Bar
(C)Boom
(D)Angle tie
29 Design of a riveted joint, is based on the assumption:
(A) Load is uniformly distributed among all the rivets
(B) Shear stress on a rivet is uniformly distributed over its gross area
(C) Bearing stress in the rivet is neglected
(D) All the above
30 Which IS code is used for general construction of steel?
(A) IS 456
(B) IS 875
(C) IS 800
(D) IS 100
31 Which of the following relation is correct?
(A) Permissible Stress = Yield Stress x Factor of Safety
(B) Permissible Stress = Yield Stress / Factor of Safety
(C) Yield Stress = Permissible Stress / Factor of Safety
(D) Permissible Stress = Yield Stress – Factor of Safety
32 The minimum size of fillet weld should _______
(A) not be less than 3mm
(B) be less than 3mm
(C) be less than 2mm
(D) greater than thickness of thinner part joined
33 End returns are made ________
(A) equal to twice the size of weld
(B) equal to half the size of weld
(C) equal to the size of weld
(D) equal to thrice the size of weld
34 What are columns?
(A) vertical compression members in a building supporting floors or girders
(B) vertical tension members in a building supporting floors or girders
(C) horizontal compression members in a building supporting floors or girders
(D) horizontal tension members in a building supporting floors or girders
35 The strength of column does not depend on
(A) width of building
(B) material of column
(C) cross sectional configuration
(D) length of column
36
If the thickness of thinnest outside plate is 10 mm, then the maximum pitch of
rivets in tension will be taken as
(A) 120 mm
(B) 160 mm
(C) 200 mm
(D) 300 mm
37 Bolts are most suitable to carry
(A) Shear
(B) Bending
(C) Axial tension
(D) Shear and bending
38 The net area of round bars to resist the tension, is the area of cross section at
(A) Mid-section
(B)Root of the thread
(C)Difference of (a) and (b)
(D)None of these
39 Web crippling generally occurs at the point where
(A) Bending moment is maximum
(B) Shearing force is minimum
(C) Concentrated loads act
(D) Deflection is maximum
I
40 As per ISI, rolled steel beam sections are classified into
(A) Two series
(B) Three series
(C) Four series
(D) Five series
41
A tension member, if subjected to possible reversal of stress due to wind, the
slenderness ratio of the member should not exceed
(A) 180
(B) 200
(C) 300
(D) 350
42
When the axis of load lies in the plane of rivet group, then the rivets are subjected
to
(A) Only shear stresses
(B) Only tensile stresses
(C) Both (A) and (B)
(D) None of the above
43 The beam outside a wall upto floor level above it, is known as
(A) Rafter
(B) Purlin
(C) Spandrel beam
(D) Lintel
44 The critical stress on a column for elastic buckling given by Euler's formula, is
f c = π 2E /(I /r )2
f c = (I /r ) 2/ πE
f c = (I /r )/ πE
f c = π 2E /(I /r )
45 In the cross-section of a weld, throat is the
(A) Minimum dimension
(B) Average dimension
(C) Maximum dimension
(D) None of the aboVE
46 The minimum thickness of plates in a steel stack should be
(A) 4 mm
(B) 5 mm
(C) 6 mm
(D) 8 mm
47
For determination of allowable stress in axial compression, Indian Standard
Institution has adopted
(A) Euler's formula
(B) Rankine formula
(C) Perry Robertson formula
(D) Secant formula
48 The effective length of a battened column is increased by
(A) 5 %
(B)10%
(C)15%
(D)20%
49
The effective length of a compression member of length L, held in position and
restrained in direction at both ends, is
(A)L
(B)0.67L
(C)0.85L
(D)1.5L
50 When the length of a tension member is too long
(A) A wire rope is used
(B) A rod is used
(C) A bar is used
(D) A single angle is used
51 A circular column section is generally not used in actual practice because
(A)It is uneconomical
(B)It cannot carry the load safely
(C)It is difficult to connect beams to the round sections
(D)All of the above
52
Minimum thickness of web in a plate girder, when the plate is accessible and also
exposed to weather, is
(A) 5 mm
(B) 6 mm
(C) 8 mm
(D) 10 mm
53
The critical load for a column of length I hinged at both ends and having flexural
rigidity El, is given by
(A)Pc = π2EI/l2
(B)Pc = πEI/l2
(C)Pc = πEI/I2
(D)None of these
54
For rolled steel sections recommended for beams the depth to thickness ratio of
web is less than
(A)85
(B)145
(C)180
(D)50
55 The maximum deflection in steel beams should not exceed
(A)L/1000
(B)L/500
(C)L/325
(D)L/100
56 A web plate is called unstiffened if the ratio of clear depth to thickness is less than
(A) 35
(B) 50
(C) 65
(D) 85
57 A butt weld is specified by
(A) Effective throat thickness
(B) Plate thickness
(C) Size of weld
(D) Penetration thickness
58 Bending compressive and tensile stresses are calculated respectively based on
(A)net area and gross area
(B)gross area in both cases
(C)net area in both cases
(D)gross area and net area
59 The most economical section for a column, is
(A) Rectangular
(B) Solid round
(C) Flat strip
(D) Tubular section
60 The most economical section for a column, is
(A) Rectangular
(B) Solid round
(C) Flat strip
(D) Tubular section
61 In case of rolled steel beams, shear force is resisted by
(A)Flange
(B)Web
(C)Web and Flange
(D)None of Above
62
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
63 Rolled steel Tee-sections are used
(A) As columns
(B) With flat strips to connect plates in steel rectangular tanks
(C) As built up sections to resist axial tension
(D) None of these
64 Which of the following types of riveted joint is free from bending stresses?
(A) Lap joint
(B) Butt joint with single cover plate
(C) Butt joint with double cover plates
(D) None of the above
65 Poisson's ratio for steel within elastic limit, ranges from
(A) 0.15 to 0.20
(B) 0.25 to 0.24
(C) 0.25 to 0.33
(D) 0.33 to 0.35
66 Load transfer by a beam is primarily by
(A) bending only
(B) shear only
(C) bending and shear
(D) neither bending nor shear
67
Maximum permissible slenderness ratio of a member normally acting as a tie in a
roof truss, is
(A) 180
(B) 200
(C) 250
(D) 350
I
68 Normally, the angle of roof truss with asbestos sheets should not be less than
(A) 26½°
(B) 30°
(C) 35°
(D) 40°
69 Which of the following buckling does not occur in beam?
(A) lateral buckling of whole beam
(B) local buckling of web
(C) local buckling of flanges
(D) longitudinal buckling of web
70 The deflection of beams may be decreased by
(A)Increasing the depth of beam
(B)Increasing the span
(C)Decreasing the depth of beam
(D)Increasing the width of beam
71 Web crippling occurs due to
(A)column action of web
(B)excessive bending moment
(C)failure of web under concentrated load
(D)secondary bending moment
72 Pick up the correct statement from the following:
(A) Loaded columns are supported on column bases
(B) Column bases transmit the column load to the concrete foundation
(C) Column load is spread over a large area on concrete
(D) All the above
73 Tacking rivets in tension members, are provided at a pitch in line not exceeding
(A) 25 cm
(B) 50 cm
(C) 75 cm
(D) 100 cm
74
If the pitch is 6 cm and rivet value is 4 tonnes, the number of rivets required for a
riveted connection carrying an eccentric load of 15 tonnes at a distance of 30 cm
from the centre line, is
(A) 6
(B) 8
(C) 10
(D) 15
75 Web buckling occurs because of
(A)vertical compression due to concentrated loads
(B)diagonal compression due to shear
(C)longitudinal compression due to bending
(D)any of (a), (b) and (c)
76
To ensure that compression flange of beam is restrained from moving laterally, the
cross section must be
(A)plastic
(B)semi-compact
(C) slender
(D)thin
77 As per IS : 800, for compression flange, the outstand of flange plates should not exceed
(A) 12 t
(B) 16 t
(C) 20 t
(D) 25 t
78 What are laterally restrained beams?
(A)adequate restraints are provided to beam
(B) adequate restraints are not provided to beam
(c) economically not viable
(D) unstable beams
79 The moment-curvature relation at a plastic hinge is
(A) Linear
(B) Parabolic
(C) Constant moment for all curvatures
(D) Constant curvature for all moments
80 The gross diameter of a rivet is the diameter of
(A) Cold rivet before driving
(B) Rivet after driving
(C) Rivet hole
(D) None of these
81 What are residual stresses?
(A) stresses developed during construction
(B) stresses developed due to seismic load
(C) stresses developed due to vibration
(D) stresses developed during manufacturing
82 Load factor is
(A) Always equal to factor of safety
(B) Always less than factor of safety
(C) Always greater than factor of safety
(D) Sometimes greater than factor of safety
83 When the bolts are subjected to reversal of stresses, the most suitable type of bolt is
(A) Black bolt
(B) Ordinary unfinished bolt
(C) Turned and fitted bolt
(D) High strength bolt
84 The strength of a riveted lap joint is equal to its
(A) Shearing strength
(B) Bearing strength
(C) Tearing strength
(D) Least of (a), (b) and (c)
85 The maximum spacing of vertical stiffeners is
(A) 1.33 d
(B) 1.25 d
(C) 1.5 d
(D) 1.75 d
Where d is the distance between flange angles
86
The effective length of a double angle strut with angles placed back to back and
connected to both the sides of a gusset plate, by not less than two rivets, is
(A) 0.5 L
(B) 0.67 L
(C) 0.85 L
(D) 2 L
87 The range of economical spacing of trusses varies from
(A) L/3 to L/5
(B) L/4 to 2L/5
(C) L/3 to L/2
(D) 2L/5 to 3L/5, where L is span
88
The failure of a web plate takes place by yielding if the ratio of the clear depth to
thickness of the web, is less than
(A) 45
(B) 55
(C) 62
(D) 82
89
For steel members not exposed to weather, the thickness of steel should not be less
than
(A) 4.5 mm
(B) 6 mm
(C) 8 mm
(D) 10 mm
90 The allowable stress in axial tension for rolled I-sections and channels, is taken as
(A) 1420 kg/cm2
(B) 1500 kg/cm2
(C) 2125 kg/cm2
(D) 1810 kg/cm2
91 The heaviest I-section for same depth is
(A) ISMB
(B) ISLB
C) ISHB
(D) ISWB
92 Live load
(A) Varies in magnitude
(B) Varies in position
(C) Is expressed as uniformly distributed load
(D) All the above
93 Economical depth of a plate girder corresponds to
(A) Minimum weight
(B) Minimum depth
(C) Maximum weight
(D) Minimum thickness of web Answer: Option A
94 The main assumption of the method of simple design of steel frame work, is:
A) Beams are simply supported
B) All connections of beams, girders and trusses are virtually flexible
C) Members in compression are subjected to forces applied at appropriate
eccentricities
D) All the above Answer: Option D
95 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
96 The maximum permissible span of asbestos cement sheets is
(A) 650 mm
(B) 810 mm
(C) 1250 mm
(D) 1680 mm
97 Lug angle is
(A) Used with single angle member
(B) Not used with double angle member
(C) Used with channel member
(D) All the above
98 A major beam in a building structure, is known as
(A)Girder
(B)Floor Beam
(C)Main Beam
(D)All above
99
Secant formula for direct stress in compression, is applicable only for slenderness
ratio upto
(A) 120
(B) 130
(C) 140
(D) 150
100 The main advantage of a steel member, is:
(A) Its high strength
(B) Its gas and water tightness
(C) Its long service life
(D) All the above
101
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
102
When gantry girders carry electrically operated traveling cranes with heavy loads
the deflection should not exceed
(A)L / 600
(B)L / 750
(c)L /1000
(D)L / 500
103
For gantry girders carrying electrically operated overhead traveling cranes the
vertical forces are increased by
(A)10 % of maximum static wheel load
(B)25 % of maximum static wheel load
(C)5 % of the weight of the crab and weight lifted by the crane
(D)10 % of weight of the crab and weight lifted by the crane
104
Gantry girders are subjected to 1. Vertical loads 2. Lateral loads 3. Longitudinal
loads
(A)Only 1 is correct
(B)1,2 and 3 are correct
(C)1,2 are correct
(D)2, 3 are correct
105 A riveted joint may experience
(A) Shear failure
(B) Shear failure of plates
(C) Bearing failure
(D) All the above
106
A structural member subjected to compressive stress in a direction parallel to its
longitudinal axis, is generally known as
(A) Column
(B) Stanchion
(C) Post
(D) All the above
107 The member of a roof truss which supports the purlins is called is
(A)principal rafter
(B)principle tie
(c)sag tie
(D)main strut
108
The distance measured along one rivet line from the centre of a rivet to the centre
of adjoining rivet on an adjacent parallel rivet line, is called
(A) Pitch of rivet
(B) Gauge distance of rivet
(C) Staggered pitch
(D) All the above
109 The slenderness ratio of a column is zero when its length
(A) Is zero
(B) Is equal to its radius of gyration
(C) Is supported on all sides throughout its length
(D) Is between the points of zero moments
110 The slenderness ratio of lacing bars should not exceed
(A) 100
(B) 120
(C) 145
(D) 180
111 North light roof truss is used when
(A)the building is oriented towards north
(B)the slope is less than 1/5 span
(C)the span is greater than 10 metres
(D)light is a criteria
112 The pitch of a truss is defined as the ratio of
(A)height of the truss to the span
(B)height of the truss to length of principle rafter
(C)height of the truss to one half of the span
(D)none of the above
113 Generally the purlins are placed at the panel points so as to avoid
(A)deflection of rafter
(B)bending moment in rafter
(C)axial force in rafter
(D)shear force in rafter
114
As per I.S code, where the access is not provided except maintenance, live load on
roofs. while designing a truss, in respect of its plan area is adopted as
(A)100 N/m2
(B)400 N/m2
(C)1500 N/m2
(D)750 N/m2
115
A plate which is attached to the top of a column or base of a roof truss to provide a
connecting link between the column and truss is called
(A)base plate
(B)Template
(C)Gusset plate
(D)shoe plate
116 Shape factor is a property which depends
(A)Only on the ultimate stress of the material
(B)Only on the yield stress of the material
(C)Only on the geometry of the section
(D)Both on the yield stress and ultimate stress of material
117 Stiffeners are used in a plate girder
(A)To reduce the compressive stress
(B)To reduce the shear stress
(C)To take the bearing stress
(D)To avoid bulking of web plate
118 The slenderness ratio of lacing bars should not exceed
(A)100
(B)120
(C)145
(D)180
119 Pick up the incorrect statement from the following:
(A)The nominal diameter of a rivet is its diameter before driving
(B)The gross diameter of a rivet is the diameter of rivet hole
(C)The gross area of a rivet is the cross-sectional area of the rivet hole
(D)The diameter of a rivet hole is equal to the nominal diameter of the rivet plus
1.5 mm
120 Rolled steel angle sections are classified as
(a()Equal Angle
(B)Unequal Angle
(C)Bulb Angle
(D)All of above
121
When a tension member consists of two channel sections, the allowance for rivet
hole is made for two holes from
(A) Each web
(B) Each flange
(C) Each web or one hole from each flange whichever is more
(D) Each web or one hole from each flange whichever is less
122 A compression member consisting of angle sections may be a
(A) Continuous member
(B) Discontinuous single angle strut
(C) Discontinuous double angle strut
(D) All the above
123
To the calculated area of cover plates of a built-up beam, an allowance for rivet
holes to be added, is
(A) 10 %
(B) 13 %
(C) 15 %
(D) 18 %
124
The difference between gross diameter and nominal diameter for the rivets up to
25 mm diameter is
(A) 1.0 mm
(B) 1.5 mm
(C) 2.0 mm
(D) 2.5 mm
125
If the unsupported length of a stanchion is 4 meters and least radius of gyration of
its cross-section is 5, the slenderness ratio of the stanchion, is
(A) 60
(B) 70
(C) 80
(D) 100
126
For a cantilever beam of length ‘L’ continuous at the support and unrestrained
against torsion at the support and free at the end, the effective length ‘l’ is equal to
(A) l = L
(B) l = 2L
(C) l = 0.5L
(D) l = 3L
127 Column footing is provided
(A) To spread the column load over a larger area
(B) To ensure that intensity of bearing pressure between the column footing and
soil does not exceed permissible bearing capacity of the soil
(C) To distribute the column load over soil through the column footing
(D) All the above
128 Rolled steel beams are designated by Indian Standard series and its
(A) Weight per metre and depth of its section
(B) Depth of section and weight per metre
(C) Width of flange and weight per metre
(D) Weight per metre and flange width
129 The gross section of the web of a beam is defined as
(A) Depth of the beam multiplied by its web thickness
(B) Width of the flange multiplied by its web thickness
(C) Sum of the flange width and depth of the beam multiplied by the web thickness
(D) None of these
130
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
131
In a tension member if one or more than one rivet holes are off the line, the failure
of the member depends upon:
(A) Pitch
(B) Gauge
(C) Diameter of the rivet holes
(D) All the above
132
The least permissible clear dimension of the web of thickness t in the panel of a
plate girder, is restricted to
(A) 150 t
(B) 160 t
(C) 170 t
(D) 180
133 Number of rivets required in a joint, is
(A) Load/Shear strength of a rivet
(B) Load/Bearing strength of a rivet
(C) Load/Tearing strength of a rivet
(D) Load/Rivet value
138 Diameter of a bolt hole is usually taken as
(A) Gross diameter of bolt
(B) Nominal diameter + 1.5 mm
(C) Nominal diameter + 2.0 mm
(D) Nominal diameter of bolt
139 The ratio of longitudinal stress to strain within elastic limit, is known as
(A) Modulus of elasticity
(B) Shear modulus of elasticity
(C) Bulk modulus of elasticity
(D) All the above
140
As per IS : 800, for compression flange, the outstand of flange plates should not
exceed
(A) 12 t
(B) 16 t
(C) 20 t
(D) 25 t
Where ‘t’ = thickness of thinnest flange plate
141 Pick up the correct statement from the following:
(A) Vertical stiffeners may be placed in pairs one on each side of the web
(B) Single vertical stiffeners may be placed alternately on opposite sides of the web
(C) Horizontal stiffeners may be placed alternately on opposite sides of the web
(D) All the above
142 Hudson's formula gives the dead weight of a truss bridge as a function of
(A) Bottom chord area
(B) Top chord area
(C) Effective span of bridge
(D) Heaviest axle load of engine
143 According to IS Specifications, the maximum pitch of rivets in compression is
(A) Lesser of 200 mm and 12 t
(B) Lesser of 200 mm and 16 t
(C) Lesser of 300 mm and 32 t
(D) Lesser of 3 00 mm and 24 t
144 The distance between the outer faces of flanges of a plate girder, is known as
(A) Overall depth
(B) Clear depth
(C) Effective depth
(D) None of these
145
The slenderness ratio of a column supported throughout its length by a masonry
wall is
(A) Zero
(B) 10
(C) 100
(D) Infinity
146 The use of tie plates in laced columns is
(A) Prohibited
(B) Not prohibited
(C) Permitted at start and end of lacing system only
(D) Permitted between two parts of the lacing
147 Rivets connecting flange angles to cover plates in a plate girder are subjected to
(A) Horizontal shear only
(B) Vertical load only
(C) Both (A) and (B)
(D) None of the above
148 Lacing bars in a steel column should be designed to resist
(A) Bending moment due to 2.5% of the column load
(B) Shear force due to 2.5% of the column load
(C) 2.5% of the column load
(D) Both (A) and (B)
149 When a large value of radius of gyration is not required
(A) Channels are placed back to back
(B) Channel flanges are kept inward
(C) Channel flanges are kept outward
(D) None of these
150 Long column is one
(A) Which is more than 3 m long
(B) Whose lateral dimension is less than 25 cm
(C) Which is free at its top
(D) Which has a ratio of effective length and least lateral dimension more than 15
As per IS : 800, for compression flange, the outstand of flange plates should not exceed
