In the cross-section of a weld, throat is the
A. Minimum dimension
B. Average dimension
C. Maximum dimension
D. None of the above
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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%
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Area of openings for buildings of large permeability is more than
A. 10% of wall area
B. 20% of wall area
C. 30% of wall area
D. 50% of wall area
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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
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Lug angles . . . . . . . .
A. Are used to reduce the length of connection
B. Are unequal angles
C. Increases shear lag
D. All options are correct
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The effective length of a battened column is increased by
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The statical 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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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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When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which (where, Fa is the load shared by each rivet due to axial load and Fm is the shearing load due to moment in any rivet.)
A. Is at the maximum distance from CG of the rivet group
B. Is at the minimum distance from CG of the rivet group
C. Gives the maximum angle between the two forces Fa and Fm
D. Gives the minimum angle between the two forces Fa and Fm
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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
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The elastic strain for steel is about
A. 12 1 of strain at the initiation of strain hardening and about 120 1 of maximum strain
B. 2 1 of strain at the initiation of strain hardening and about 12 1 of maximum strain
C. 12 1 of strain at the initiation of strain hardening and 200 1 of maximum strain
D. 24 1 of strain at the initiation of strain hardening and about 200 1 of maximum strain
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In a gusseted base, when the end of the column is machined for complete bearing on the base plate, then the axial load is assumed to be transferred to base plate
A. Fully by direct bearing
B. Fully through fastenings
C. 50% by direct bearing and 50% through fastenings
D. 75% by direct bearing and 25% through fastenings
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Shear buckling of web in a plate girder is prevented by using
A. Vertical intermediate stiffener
B. Horizontal stiffener at neutral axis
C. Bearing stiffener
D. None of the above
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For a standard 45° fillet, the ratio of size of fillet to throat thickness 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
A. 0.65 kN/m2
B. 0.75 kN/m2
C. 1.35 kN/m2
D. 1.50 kN/m2
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In the virtual work method, the virtual quantity is
A. Displacement
B. Load
C. Slope
D. Moment
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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
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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
A. 16 mm
B. 20 mm
C. 24 mm
D. 27 mm
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Horizontal stiffener in a plate girder is provided to safeguard against
A. Shear buckling of web plate
B. Compression buckling of web plate
C. Yielding
D. All of the above
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The capacity of the smallest pressed steel tank is
A. 1000 litre
B. 1650 litre
C. 1950 litre
D. 2450 litre
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