Related Questions
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4
The main advantage of a steel member, is:
B. Its gas and water tightness
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4
The ratio of shearing stress to shearing strain within elastic limit, is known as
B. Shear modulus of elasticity
C. Bulk modulus of elasticity
D. Tangent modulus of elasticity
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4
The gross diameter of a rivet is the diameter of
A. Cold rivet before driving
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4
Rise of a Jack arch is kept about
A. 1/2 to 1/3 of the span
B. 1/3 to 1/4 of the span
C. 1/4 to 1/8 of the span
D. 1/8 to 1/12 of the span
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4
If the depth of the section of an upper column is smaller than the lower column
A. Filler plates are provided with column splice
B. Bearing plates are provided with column splice
C. Filler plates and bearing plates are provided with column splice
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4
The size of a butt weld is specified by the effective throat thickness which in the case of incomplete penetration, is taken as
A. ½ of the thickness of thicker part
B. ¾ of the thickness of thicker part
C. ¾ of the thickness of thinner part
D. 7/8 of the thickness of thinner part
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4
The side thrust T on the tie rods provided at the end beam of jack arch of rise R, is calculated from the formula
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4
The strength of a riveted lap joint is equal to its
D. Least of (a), (b) and (c)
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4
Minimum pitch provided in riveted steel tanks is
D. 3.0 d Where d is diameter of rivets
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4
As per ISI, rolled steel beam sections are classified into
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4
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 sides-way buckling of top chord
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4
If the floor is supported at or near the bottom but top chords of a bridge is not braced, then the bridge is called
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4
With a percentage increase of carbon in steel, decreases its
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When a load is transferred through one surface to another surface in contact, the stress is known as
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4
For a steel grillage footing to support two unequal column loads
A. Line of action of the resultant of two column loads, is made to coincide with the centre of gravity of the base of the footing
B. Trapezoidal shape is used for the base footing
C. Projections of beams on either side in lower tier are such that bending moments under columns are equal
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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
The bracing provided in the plane of end posts is called
D. Bottom lateral bracing
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4
For a single section used as a tension member, the given area is assumed
A. 20% to 30% in excess of the net area
B. 30% to 40% in excess of the net area
C. 40% to 50% in excess of the net area
D. 50% to 60% in excess of the net area
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4
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. Unequal legged angles with long legs back to back
C. Unequal legged angles with short legs back to back
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4
The load on a lintel is assumed as uniformly distributed if the height of the masonry above it, is upto a height of
B. 1.25 times the effective span
C. 1.50 times the effective span
D. 2.0 times the effective span
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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 compared to field rivets, the shop rivets are
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The beam outside a wall upto floor level above it, is known as
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If N is the number of rivets in the joint, the strength of a riveted joint against shearing of rivets, is given by
A. Ps = N × (π/4) d2 × Ps
C. Ps = N × (p - d) × t × Ps
D. Ps = N × (P + d) × t × ps
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4
The minimum edge distance of a rivet line connecting two or more plates, is kept equal to 37 mm plus (where t is the thickness in mm of the thinner outside plate).
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4
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
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4
Diameter of a rivet hole is made larger than the diameter of the rivet by
A. 1.0 mm for rivet diameter upto 12 mm
B. 1.5 mm for rivet diameter exceeding 25 mm
C. 2.0 mm for rivet diameter over 25 mm
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4
The maximum permissible slenderness ratio of a member carrying loads resulting from wind, is
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4
The effect of racking forces is considered in the design of (i) Lateral braces (ii) Chord members The correct answer is
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If the moment of inertia of a section about its axis is I and its effective sectional area is A, its radius of gyration r about the axis, is