Related Questions
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According to IS : 800-1962 the permissible bending stress in steel slab plates, is
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The basic wind speed is specified at a height 'h' above mean ground level in an open terrain. The value of 'h' is
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4
Which of the following conditions is to be satisfied both in elastic and plastic analysis?
C. Plastic moment condition
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The stress in the wall of a thin cylinder subjected to internal pressure, is
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The permissible stress to which a structural member can be subjected to, is known as
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The most commonly used sections in lateral system to carry shear force in built up columns, are
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Water pressure in a 80 cm water main is 10 kg/cm2. The minimum thickness of the metal required for the water main, not to be stressed more than 200 kg/cm2, is
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A second horizontal stiffener is always placed at the neutral axis of the girder if the thickness of the web is less than
A. d/250 for structural steel
B. d/225 for high tensile steel
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The permissible stress in bending for rolled steel I-beams and channels, is
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The live load for a sloping roof with slope 15°, where access is not provided to roof, is taken as
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In a grillage footing, the maximum shear force occurs at the
C. Centre of grillage beam
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The ratio of the span L of the filler joists to the depth d from the underside of the joist to the top of the structural concrete, should not exceed
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Outstanding length of a compression member consisting of a channel, is measured as
A. Half of the nominal width
B. Nominal width of the section
C. From the edge to the first row of rivets
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The permissible bearing stress in steel, is
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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
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When two plates are placed end to end and are joined by two cover plates, the joint is known as
C. Chain riveted lap joint
D. Double cover butt joint
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In rolled steel beams, shear force is mostly resisted by
C. Web and flanges together
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The maximum axial load which is just sufficient to keep a column in a small deflected shape, is called
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Web crippling generally occurs at the point where
A. Bending moment is maximum
B. Shearing force is minimum
C. Concentrated loads act
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The distance between the outer faces of flanges of a plate girder, is known as
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The channels get twisted symmetrically with regard to its axis
C. Perpendicular to flanges
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If P is the wind pressure in kg/cm2, v is the velocity in km/hour and K is a constant of proportionality, then
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Effective sectional area of a compression member is:
A. Gross sectional area - area of rivet hole
B. Gross sectional area + area of rivet hole
C. Gross sectional area × area of rivet hole
D. Gross sectional area + area of rivet hole
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If d is the distance between the flange angles, the vertical stiffeners in plate girders without horizontal stiffeners, are spaced at a distance not less than
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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
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The connection of one beam to another beam by means of an angle at the bottom and an angle at the top, is known as
A. Unstiffened seated connection
B. Stiffened seated connection
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When a tension member consists of two channel sections, the allowance for rivet hole is made for two holes from
C. Each web or one hole from each flange whichever is more
D. Each web or one hole from each flange whichever is less
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Economical depth of a plate girder corresponds to
D. Minimum thickness of web
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For the buildings having a low permeability, the internal wind pressure acting normal to the wall and roof surfaces is taken as
D. ±0.7 p Where p is basic wind pressure
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According to IS: 800, in the Merchant Rankine formula the value of imperfection index (n) is