The minimum thickness of a steel plate, which is directly exposed to weather and is not accessible for cleaning and repainting, should be:
The minimum thickness of a steel plate, which is directly exposed to weather and is not accessible for cleaning and repainting, should be:
The statical method of plastic analysis satisfies
The statical method of plastic analysis satisfies
According to IS:800, in the Merchant Rankine formula the value of imperfection index (n) is
According to IS:800, in the Merchant Rankine formula the value of imperfection index (n) is
Rivets connecting flange angles to cover plates in a plate girder are subjected to
Rivets connecting flange angles to cover plates in a plate girder are subjected to
Lacing bars in a steel column should be designed to resist
Lacing bars in a steel column should be designed to resist
In case of plastic design, the calculated maximum shear capacity of a beam as per IS:800 shall be (where, Aw = effective cross-sectional area resisting shear fy = yield stress of the steel)
In case of plastic design, the calculated maximum shear capacity of a beam as per IS:800 shall be (where, Aw = effective cross-sectional area resisting shear fy = yield stress of the steel)
Shear buckling of web in a plate girder is prevented by using
Shear buckling of web in a plate girder is prevented by using
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.)
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.)
If the 20 mm rivets are used in lacing bars, then the minimum width of lacing bar should be
If the 20 mm rivets are used in lacing bars, then the minimum width of lacing bar should be
Select the correct statement
Select the correct statement
Load factor is
Load factor is
Bending compressive and tensile stresses respectively are calculated based on
Bending compressive and tensile stresses respectively are calculated based on
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
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
As per IS : 800, for compression flange, the outstand of flange plates should not exceed (where t = thickness of thinnest flange plate)
As per IS : 800, for compression flange, the outstand of flange plates should not exceed (where t = thickness of thinnest flange plate)
For the buildings having a low permeability, the internal wind pressure acting normal to the wall and roof surfaces is taken as (where p is basic wind pressure)
For the buildings having a low permeability, the internal wind pressure acting normal to the wall and roof surfaces is taken as (where p is basic wind pressure)
The best arrangement to provide unified behaviour in built up steel columns is by
The best arrangement to provide unified behaviour in built up steel columns is by
The effective length of a fillet weld should not be less than
The effective length of a fillet weld should not be less than
The allowable tensile stress in structural mild steel plates for steel tank is assumed as
The allowable tensile stress in structural mild steel plates for steel tank is assumed as
Other conditions being same, the load factor in indeterminate structures is
Other conditions being same, the load factor in indeterminate structures is
Economical depth of a plate girder corresponds to
Economical depth of a plate girder corresponds to
As per IS : 875, for the purposes of specifying basic wind velocity, the country has been divided into
As per IS : 875, for the purposes of specifying basic wind velocity, the country has been divided into
The minimum thickness of plates in a steel stack should be
The minimum thickness of plates in a steel stack should be
Bearing stiffeners are provided at
i) the supports
ii) the mid span
iii) the point of application of concentrated loads
The correct answer is
Bearing stiffeners are provided at
i) the supports
ii) the mid span
iii) the point of application of concentrated loads
The correct answer is
Normally, the angle of roof truss with asbestos sheets should not be less than
Normally, the angle of roof truss with asbestos sheets should not be less than
In case of timber structures, the form factor for solid circular cross-section is taken as
In case of timber structures, the form factor for solid circular cross-section is taken as
According to IS Specifications, the maximum pitch of rivets in compression is (where t is thickness of thinnest outside plate or angle)
According to IS Specifications, the maximum pitch of rivets in compression is (where t is thickness of thinnest outside plate or angle)
Minimum pitch provided in riveted steel tanks is (where d is diameter of rivets)
Minimum pitch provided in riveted steel tanks is (where d is diameter of rivets)
Battening is preferable when the
i) column carries axial load only
ii) space between the two main components is not very large
iii) column is eccentrically loaded
The correct answer is
Battening is preferable when the
i) column carries axial load only
ii) space between the two main components is not very large
iii) column is eccentrically loaded
The correct answer is
The sway bracing is designed to transfer
The sway bracing is designed to transfer
Hudson’s formula gives the dead weight of a truss bridge as a function of
Hudson’s formula gives the dead weight of a truss bridge as a function of
The live load for a sloping roof with slope 15°, where access is not provided to roof, is taken as
The live load for a sloping roof with slope 15°, where access is not provided to roof, is taken as
The maximum spacing of vertical stiffeners is (where d is the distance between flange angles)
The maximum spacing of vertical stiffeners is (where d is the distance between flange angles)
The effect of racking forces is considered in the design of
i) lateral braces
ii) chord members
The correct answer is
The effect of racking forces is considered in the design of
i) lateral braces
ii) chord members
The correct answer is
The allowable shear stress in the web of mild steel beams decreases with (where ‘h’ is height and t is thickness)
The allowable shear stress in the web of mild steel beams decreases with (where ‘h’ is height and t is thickness)
Which of the following conditions is to be satisfied both in elastic and plastic analysis ?
Which of the following conditions is to be satisfied both in elastic and plastic analysis ?
The range of economical spacing of trusses varies from
The range of economical spacing of trusses varies from
A butt weld is specified by
A butt weld is specified by
The web crippling due to excessive bearing stress can be avoided by
The web crippling due to excessive bearing stress can be avoided by
If the loaded length of span in meters of a railway steel bridge carrying a single track is 6 m, then impact factor is taken as
If the loaded length of span in meters of a railway steel bridge carrying a single track is 6 m, then impact factor is taken as
If the thickness of thinnest outside plate is 10 mm, then the maximum pitch of rivets in tension will be taken as
If the thickness of thinnest outside plate is 10 mm, then the maximum pitch of rivets in tension will be taken as
The moment-curvature relation at a plastic hinge is
The moment-curvature relation at a plastic hinge is
The bracing between two columns of a steel tank will be designed to resist
The bracing between two columns of a steel tank will be designed to resist
In case of timber structures, the simple bending formula M = fz may be applied for
In case of timber structures, the simple bending formula M = fz may be applied for
The basic wind speed is specified at a height ‘h’ above mean ground level in an open terrain. The value of ’h’ is
The basic wind speed is specified at a height ‘h’ above mean ground level in an open terrain. The value of ’h’ is
For rivets in tension with counter-sunk heads, the tensile value shall be
For rivets in tension with counter-sunk heads, the tensile value shall be
Which of the following types of riveted joint is free from bending stresses ?
Which of the following types of riveted joint is free from bending stresses ?
Bolts are most suitable to carry
Bolts are most suitable to carry
Gantry girders are designed to resist
Gantry girders are designed to resist
compression force in two end posts The pin of a rocker bearing in a bridge is designed for
compression force in two end posts The pin of a rocker bearing in a bridge is designed for
Angle of inclination of the lacing bar with the longitudinal axis of the column should preferably be between
Angle of inclination of the lacing bar with the longitudinal axis of the column should preferably be between
The external wind pressure acting on a roof depends on
The external wind pressure acting on a roof depends on
The capacity of the smallest pressed steel tank is
The capacity of the smallest pressed steel tank is
The heaviest I-section for same depth is
The heaviest I-section for same depth is
The slenderness ratio of lacing bars should not exceed
The slenderness ratio of lacing bars should not exceed
When the bolts are subjected to reversal of stresses, the most suitable type of bolt is
When the bolts are subjected to reversal of stresses, the most suitable type of bolt is
The risk coefficient k, depends on
The risk coefficient k, depends on
A circular column section is generally not used in actual practice because
A circular column section is generally not used in actual practice because
Generally the purlins are placed at the panel points so as to avoid
Generally the purlins are placed at the panel points so as to avoid
When the axis of load lies in the plane of rivet group, then the rivets are subjected to
When the axis of load lies in the plane of rivet group, then the rivets are subjected to
The mechanism method and the statical method give
The mechanism method and the statical method give
For a standard 45° fillet, the ratio of size of fillet to throat thickness is
For a standard 45° fillet, the ratio of size of fillet to throat thickness is
Minimum thickness of web in a plate girder, when the plate is accessible and also exposed to weather, is
Minimum thickness of web in a plate girder, when the plate is accessible and also exposed to weather, is
The actual thickness of butt weld as compared to the thickness of plate is usually
The actual thickness of butt weld as compared to the thickness of plate is usually
Pitch of tacking rivets, when double angles connected back to back and acting as tension members should not be more than
Pitch of tacking rivets, when double angles connected back to back and acting as tension members should not be more than
Diameter of a bolt hole is usually taken as
Diameter of a bolt hole is usually taken as
Which of the following sections should preferably be used at places where torsion occurs?
Which of the following sections should preferably be used at places where torsion occurs?
According to IS Specifications, the effective length of a column effectively held in position at both ends and restrained in direction at one end is taken as
According to IS Specifications, the effective length of a column effectively held in position at both ends and restrained in direction at one end is taken as
The relation between intensity of wind pressure p and velocity of wind V is taken as
The relation between intensity of wind pressure p and velocity of wind V is taken as
If the floor is supported at or near the bottom but top chords of a bridge is not braced, then the bridge is called
If the floor is supported at or near the bottom but top chords of a bridge is not braced, then the bridge is called
Shape factor is a property which depends
Shape factor is a property which depends
The least dimension in case of a circular column of diameter D is taken as
The least dimension in case of a circular column of diameter D is taken as
The slenderness ratio of a column supported throughout its length by a masonry wall is
The slenderness ratio of a column supported throughout its length by a masonry wall is
Area of openings for buildings of large permeability is more than
Area of openings for buildings of large permeability is more than
The internal pressure coefficient on walls for buildings with large permeability is taken as
The internal pressure coefficient on walls for buildings with large permeability is taken as
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
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
In the virtual work method, the virtual quantity is
In the virtual work method, the virtual quantity is
The maximum slenderness ratio of a compression member carrying both dead and superimposed load is
The maximum slenderness ratio of a compression member carrying both dead and superimposed load is
The number of seismic zones in which the country has been divided are
The number of seismic zones in which the country has been divided are
The forces acting on the web splice of a plate girder are
The forces acting on the web splice of a plate girder are
The effective length of a battened strut effectively held in position at both ends but not restrained in direction is taken as
The effective length of a battened strut effectively held in position at both ends but not restrained in direction is taken as
Steel tanks are mainly designed for
Steel tanks are mainly designed for
The maximum permissible span of asbestos cement sheets is
The maximum permissible span of asbestos cement sheets is
Maximum pitch of rivets, used in steel stacks, is limited to (where t is thickness of thinner plate being connected)
Maximum pitch of rivets, used in steel stacks, is limited to (where t is thickness of thinner plate being connected)
The elastic strain for steel is about
The elastic strain for steel is about
In the cross-section of a weld, throat is the
In the cross-section of a weld, throat is the
The shape factor of an isosceles triangle for bending about the axis parallel to the base is:
The shape factor of an isosceles triangle for bending about the axis parallel to the base is:
Horizontal stiffener in a plate girder is provided to safeguard against
Horizontal stiffener in a plate girder is provided to safeguard against
The ratio of plastic section modulus to elastic section modulus
The ratio of plastic section modulus to elastic section modulus
The effective length of a battened column is increased by
The effective length of a battened column is increased by
Study the following statements.
i) Top lateral bracing prevents the sidesway buckling of the chord.
ii) Sway bracing keeps the rectangular shape of the bridge cross-section.
iii) Sway bracing transfers the load from top of end posts to bearings.
The correct answer is
Study the following statements.
i) Top lateral bracing prevents the sidesway buckling of the chord.
ii) Sway bracing keeps the rectangular shape of the bridge cross-section.
iii) Sway bracing transfers the load from top of end posts to bearings.
The correct answer is
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
(where, t = the web thickness in mm h = the outstand of stiffener in mm)
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
(where, t = the web thickness in mm h = the outstand of stiffener in mm)
The bracing provided in the plane of end posts is called
The bracing provided in the plane of end posts is called
Minimum spacing of vertical stiffeners is limited to (where d is the distance between flange angles)
Minimum spacing of vertical stiffeners is limited to (where d is the distance between flange angles)
The mechanism method of plastic analysis satisfies
The mechanism method of plastic analysis satisfies
To minimize the total cost of a roof truss, the ratio of the cost of truss to the cost of purlins shall be
To minimize the total cost of a roof truss, the ratio of the cost of truss to the cost of purlins shall be
As compared to field rivets, the shop rivets are
As compared to field rivets, the shop rivets are
Minimum pitch of the rivets shall not be less than (where d is gross diameter of rivet)
Minimum pitch of the rivets shall not be less than (where d is gross diameter of rivet)
The portal bracing in a truss bridge is used to
The portal bracing in a truss bridge is used to
The use of tie plates in laced columns is
The use of tie plates in laced columns is
The centrifugal force due to curvature of track is assumed to act on the bridge at a height of
The centrifugal force due to curvature of track is assumed to act on the bridge at a height of
Intermediate vertical stiffeners in a plate girder need be provided if the depth of web exceeds (where t is thickness of web)
Intermediate vertical stiffeners in a plate girder need be provided if the depth of web exceeds (where t is thickness of web)
The diameter of base of conical flare of a steel stack is (where d is the diameter of the cylindrical part)
The diameter of base of conical flare of a steel stack is (where d is the diameter of the cylindrical part)
For a compression member with double angle section, which of the following section will give larger value of minimum radius of gyration?
For a compression member with double angle section, which of the following section will give larger value of minimum radius of gyration?
In moment resistant connections, the moment resistance of riveted connection depends upon
In moment resistant connections, the moment resistance of riveted connection depends upon
The difference between gross diameter and nominal diameter for the rivets up to 25 mm diameter is
The difference between gross diameter and nominal diameter for the rivets up to 25 mm diameter is
By providing sufficient edge distance, which of the following failures of riveted joint can be avoided ?
By providing sufficient edge distance, which of the following failures of riveted joint can be avoided ?
The overlap of batten plates with the main members in welded connections should be more than (where t = thickness of the batten plate)
The overlap of batten plates with the main members in welded connections should be more than (where t = thickness of the batten plate)
The maximum slenderness ratio of a steel column, the design of which is governed by wind or seismic forces is
The maximum slenderness ratio of a steel column, the design of which is governed by wind or seismic forces is
Efficiency of a riveted joint, having the minimum pitch as per IS : 800, is
Efficiency of a riveted joint, having the minimum pitch as per IS : 800, is
A steel beam supporting loads from the floor slab as well as from wall is termed as
A steel beam supporting loads from the floor slab as well as from wall is termed as
Bearing stiffener in a plate girder is used to
Bearing stiffener in a plate girder is used to
