Related Questions
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4
If d is the distance between the flange angles,
A. Vertical stiffeners are provided in steel plate girders if the web is less than d/85
B. Vertical stiffeners are provided in high tensile steel plate girders if the web is less than d/175
C. Horizontal stiffeners are provided in steel plate girders if the web is less than d/200
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4
A single angle in tension is connected by one leg only. If the areas of connecting and outstanding legs are respectively a and b, net effective area of the angle, is
A. a - [b/{1 + 0.35 (b/a)}]
B. a + [b/{1 + 0.35 (b/a)}]
C. a - [b/{1 + 0.2 (b/a)}]
D. a + [b/{1 + 0.2 (b/a)}]
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4
If the thickness of plate to be connected by a rivet is 16 mm, then suitable size of rivet as per Unwin's formula will be
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4
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
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4
When a tension member is made of four angles with a plate as a web, the allowance for holes is made as
A. Two holes for each angle and one hole for the web
B. One hole for each angle and one hole for the web
C. One hole for each angle and two holes for the web
D. Two holes for each angle and two holes for the web
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4
The web crippling due to excessive bearing stress can be avoided by
A. Increasing the web thickness
B. Providing suitable stiffener
C. Increasing the length of the bearing plates
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4
For determination of allowable stress in axial compression, Indian Standard Institution has adopted
C. Perry Robertson formula
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4
The economical depth d of a web plate in which allowable bearing stress is fb, and the maximum bending moment is M, as suggested by Rawater and Clark, is
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4
An axial loaded column is supported on a slab base whose projection is 8 cm. If the intensity of pressure from concrete is 40 kg/cm2 and allowable bending stress in slab base is 1890 kg/cm2, the thickness (t) of the slab base, is
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4
To the calculated area of cover plates of a built-up beam, an allowance for rivet holes to be added, is
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4
A structural member subjected to tensile force in a direction parallel to its longitudinal axis, is generally known as
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4
The slenderness ratio of a column is zero when its length
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
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4
Intermediate vertical stiffeners in a plate girder need be provided if the depth of web exceeds
D. 250 t Where t is thickness of web
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4
A web plate is called unstiffened if the ratio of clear depth to thickness is less than
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4
The rolled steel I-sections are most commonly used as beams because these provide
A. Large moment of inertia with less cross-sectional area
B. Large moment of resistance as compared to other section
C. Greater lateral stability
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4
The maximum axial load which is just sufficient to keep a column in a small deflected shape, is called
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4
Study the following statements. (i) Top lateral bracing prevents the sides-way buckling of the chord. (ii) Sway bracing keeps the rectangular shape of the bridge crosssection. (iii) Sway bracing transfers the load from top of end posts to bearings. The correct answer is
D. All (i), (ii) and (iii)
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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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4
The critical stress on a column for elastic buckling given by Euler's formula, is
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4
The stress in the wall of a thin cylinder subjected to internal pressure, is
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4
An imaginary line along which rivets are placed, is known as
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4
If L is the overall length of a combined footing having A as its area, d being the distance between the centre of gravity of the base and centre of the base, the larger width b is
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4
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
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4
The difference between gross diameter and nominal diameter for the rivets up to 25 mm diameter is
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4
Minimum pitch of the rivets shall not be less than
D. 3.0 d Where d is gross diameter of rivet
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4
For eccentrically loaded columns, the bending factor is
A. Cross-sectional area of column/Radius of gyration
B. Radius of gyration/Cross-sectional area of column
C. Cross-sectional area of column/Section modulus of the section
D. Section modulus of the section/Cross-sectional area of column
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4
When the ratio of the moment M to axial load P is greater than L/6, the resultant of the compressive bearing pressure which acts at a distance Y from one side, is given by
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4
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
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4
The moment-curvature relation at a plastic hinge is
C. Constant moment for all curvatures
D. Constant curvature for all moments
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4
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