Related Questions
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4
If W and L are the total superimposed load and the span of a plate girder in metres, the approximate self weight (W) of the girder, is taken as
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4
For double angles carrying tension, placed back to back and connected to either side of the gusset plate, the sectional area of the section, is equal to cross sectional area of
B. The section plus area of rivet holes
C. The section minus area of rivet holes
D. The section multiplied by the area of the rivet hole
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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 connection of intermediate vertical stiffeners to the web, not subjected to external loads, shall be designed for a minimum shear force (kN/m) of
D. 175 t²/h Where, t = the web thickness in mm and h = the outstand of stiffener in mm
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4
The permissible stress in bending for rolled steel I-beams and channels, 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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According to the Unwin's formula, if t is thickness of the plate in mm, the nominal diameter of the rivet, is
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If M is the moment due to a couple in a bearing plate whose width is b and allowable bending stress is P, the thickness (t) of the bending plate of the column splice, is
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4
The overlap of batten plates with the main members in welded connections should be more than
D. 8 t Where t = thickness of the batten plate
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4
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
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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
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4
The allowable stress in axial tension for rolled I-sections and channels, is taken as
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4
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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4
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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4
The maximum spacing of vertical stiffeners is
D. 1.75 d Where d is the distance between flange angles
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4
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
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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
Allowable working stress corresponding to the slenderness ratio of double angles placed back to back and connected to one side of a gusset plate, is reduced to
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4
The diameter of base of conical flare of a steel stack is
D. Any of the above Where d is the diameter of the cylindrical part
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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
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4
For rivets in tension with countersunk heads, the tensile value shall be
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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
As per ISI, rolled steel beam sections are classified into
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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
Effective length of a column effectively held in position and restrained in direction at one end but neither held in position nor restrained in direction at the other end, is
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For a cantilever beam of length L built-in at the support and restrained against torsion at the free end, the effective projecting length l is
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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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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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4
The allowable stress in axial tension is generally kept less if thickness of the member is more than
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The ratio of longitudinal stress to strain within elastic limit, is known as
B. Shear modulus of elasticity
C. Bulk modulus of elasticity