A ribbed slab is provided for
A ribbed slab is provided for
The neutral axis of a T-beam exists
The neutral axis of a T-beam exists
The length of the straight portion of a bar beyond the end of the hook, should be at least
The length of the straight portion of a bar beyond the end of the hook, should be at least
Enlarged head of a supporting column of a flat slab is technically known as
Enlarged head of a supporting column of a flat slab is technically known as
Design of R.C.C. cantilever beams, is based on the resultant force at
Design of R.C.C. cantilever beams, is based on the resultant force at
The maximum permissible size of aggregates to be used in casting the ribs of a slab, is
The maximum permissible size of aggregates to be used in casting the ribs of a slab, is
If the bearing capacity of soil is 10 tonnes/cm² and the projection of plain concrete footing from walls, is a cm, the depth D of footing is
If the bearing capacity of soil is 10 tonnes/cm² and the projection of plain concrete footing from walls, is a cm, the depth D of footing is
The advantage of a concrete pile over a timber pile, is
The advantage of a concrete pile over a timber pile, is
The self-weight of the footing, is
The self-weight of the footing, is
Cantilever retaining walls can safely be used for a height not more than
Cantilever retaining walls can safely be used for a height not more than
The maximum area of tension reinforcement in beams shall not exceed
The maximum area of tension reinforcement in beams shall not exceed
For the design of a simply supported T-beam the ratio of the effective span to the overall depth of the beam is limited to
For the design of a simply supported T-beam the ratio of the effective span to the overall depth of the beam is limited to
The width of the rib of a T-beam, is generally kept between
The width of the rib of a T-beam, is generally kept between
If the diameter of longitudinal bars of a square column is 16 mm, the diameter of lateral ties should not be less than
If the diameter of longitudinal bars of a square column is 16 mm, the diameter of lateral ties should not be less than
For normal cases, stiffness of a simply supported beam is satisfied if the ratio of its span to its overall depth does not exceed
For normal cases, stiffness of a simply supported beam is satisfied if the ratio of its span to its overall depth does not exceed
If ‘W’ is weight of a retaining wall and ‘P’ is the horizontal earth pressure, the factor of safety against sliding, is
If ‘W’ is weight of a retaining wall and ‘P’ is the horizontal earth pressure, the factor of safety against sliding, is
If the ratio of long and short spans of a two way slab with corners held down is r, the actual reduction of B.M. is given by
If the ratio of long and short spans of a two way slab with corners held down is r, the actual reduction of B.M. is given by
If the tendon is placed at an eccentricity e below the centroidal axis of the longitudinal axis of a rectangular beam (sectional modulus Z and stressed load P in tendon) the stress at the extreme top edge
If the tendon is placed at an eccentricity e below the centroidal axis of the longitudinal axis of a rectangular beam (sectional modulus Z and stressed load P in tendon) the stress at the extreme top edge
If a bent tendon is required to balance a concentrated load W at the centre of the span L, the central dip h must be at least
If a bent tendon is required to balance a concentrated load W at the centre of the span L, the central dip h must be at least
The system in which high tensile alloy steel bars (silica manganese steel) are used as pre-stressing tendons, is known as
The system in which high tensile alloy steel bars (silica manganese steel) are used as pre-stressing tendons, is known as
The thickness of the topping of a ribbed slab, varies between
The thickness of the topping of a ribbed slab, varies between
The design of a retaining wall assumes that the retained earth
The design of a retaining wall assumes that the retained earth
In the zone of R.C.C. beam where shear stress is less than 5 kg/cm², nominal reinforcement is provided at a pitch of
In the zone of R.C.C. beam where shear stress is less than 5 kg/cm², nominal reinforcement is provided at a pitch of
The length of the lap in a compression member is kept greater than bar diameter x (Permissible stress in bar / Five times the bond stress) or
The length of the lap in a compression member is kept greater than bar diameter x (Permissible stress in bar / Five times the bond stress) or
The live load to be considered for an inaccessible roof, is
The live load to be considered for an inaccessible roof, is
If the effective length of a 32 cm diameter R.C.C. column is 4.40 m, its slenderness ratio, is
If the effective length of a 32 cm diameter R.C.C. column is 4.40 m, its slenderness ratio, is
According to the steel beam theory of doubly reinforced beams
According to the steel beam theory of doubly reinforced beams
A raft foundation is provided if its area exceeds the plan area of the building by
A raft foundation is provided if its area exceeds the plan area of the building by
If W is total load per unit area on a panel, D is the diameter of the column head, L is the span in two directions, then the sum of the maximum positive bending moment and average of the negative bending moment for the design of the span of a square flat slab, should not be less than
If W is total load per unit area on a panel, D is the diameter of the column head, L is the span in two directions, then the sum of the maximum positive bending moment and average of the negative bending moment for the design of the span of a square flat slab, should not be less than
The diameter of longitudinal bars of a column should never be less than
The diameter of longitudinal bars of a column should never be less than
The amount of reinforcement for main bars in a slab, is based upon
The amount of reinforcement for main bars in a slab, is based upon
A foundation is called shallow if its depth, is
A foundation is called shallow if its depth, is
According to I.S. : 456, slabs which span in two directions with corners held down, are assumed to be divided in each direction into middle strips and edge strips such that the width of the middle strip, is
According to I.S. : 456, slabs which span in two directions with corners held down, are assumed to be divided in each direction into middle strips and edge strips such that the width of the middle strip, is
Minimum spacing between horizontal parallel reinforcement of the same size should not be less than
Minimum spacing between horizontal parallel reinforcement of the same size should not be less than
Lapped splices in tensile reinforcement are generally not used for bars of size larger than
Lapped splices in tensile reinforcement are generally not used for bars of size larger than
If R and T are rise and tread of a stair spanning horizontally, the steps are supported by a wall on one side and by a stringer beam on the other side, the steps are designed as beams of width
If R and T are rise and tread of a stair spanning horizontally, the steps are supported by a wall on one side and by a stringer beam on the other side, the steps are designed as beams of width
A part of the slab may be considered as the flange of the T-beam if
A part of the slab may be considered as the flange of the T-beam if
If the permissible compressive stress for a concrete in bending is C kg/m², the modular ratio is
If the permissible compressive stress for a concrete in bending is C kg/m², the modular ratio is
A pre-stressed concrete member
A pre-stressed concrete member
An R.C.C. beam of 25 cm width and 50 cm effective depth has a clear span of 6 meters and carries a U.D.L. of 3000 kg/m inclusive of its self weight. If the lever arm constant for the section is 0.865, the maximum intensity of shear stress, is
An R.C.C. beam of 25 cm width and 50 cm effective depth has a clear span of 6 meters and carries a U.D.L. of 3000 kg/m inclusive of its self weight. If the lever arm constant for the section is 0.865, the maximum intensity of shear stress, is
To ensure uniform pressure distribution, the thickness of the foundation, is
To ensure uniform pressure distribution, the thickness of the foundation, is
An R.C.C. column is treated as short column if its slenderness ratio is less than
An R.C.C. column is treated as short column if its slenderness ratio is less than
A circular slab subjected to external loading, deflects to form a
A circular slab subjected to external loading, deflects to form a
The pitch of the main bars in a simply supported slab, should not exceed its effective depth by
The pitch of the main bars in a simply supported slab, should not exceed its effective depth by
If the maximum dip of a parabolic tendon carrying tension P is h and the effective length of the pre-stressed beam is L, the upward uniform pressure will be
If the maximum dip of a parabolic tendon carrying tension P is h and the effective length of the pre-stressed beam is L, the upward uniform pressure will be
The length of lap in tension reinforcement should not be less than the bar diameter × (actual tension / four times the permissible average bond stress) if it is more than
The length of lap in tension reinforcement should not be less than the bar diameter × (actual tension / four times the permissible average bond stress) if it is more than
A pre-stressed rectangular beam which carries two concentrated loads W at L/3 from either end, is provided with a bent tendon with tension P such that central one-third portion of the tendon remains parallel to the longitudinal axis, the maximum dip h is
A pre-stressed rectangular beam which carries two concentrated loads W at L/3 from either end, is provided with a bent tendon with tension P such that central one-third portion of the tendon remains parallel to the longitudinal axis, the maximum dip h is
If depth of slab is 10 cm, width of web 30 cm, depth of web 50 cm, centre to centre distance of beams 3 m, effective span of beams 6 m, the effective flange width of the beam, is
If depth of slab is 10 cm, width of web 30 cm, depth of web 50 cm, centre to centre distance of beams 3 m, effective span of beams 6 m, the effective flange width of the beam, is
For a continuous floor slab supported on beams, the ratio of end span length and intermediate span length, is
For a continuous floor slab supported on beams, the ratio of end span length and intermediate span length, is
If ‘W’ is the uniformly distributed load on a circular slab of radius ‘R’ fixed at its ends, the maximum positive radial moment at its centre, is
If ‘W’ is the uniformly distributed load on a circular slab of radius ‘R’ fixed at its ends, the maximum positive radial moment at its centre, is
An R.C.C beam of 25 cm width has a clear span of 5 metres and carries a U.D.L. of 2000 kg/m inclusive of its self weight. If the lever arm of the section is 45 cm., the beam is
An R.C.C beam of 25 cm width has a clear span of 5 metres and carries a U.D.L. of 2000 kg/m inclusive of its self weight. If the lever arm of the section is 45 cm., the beam is
If the maximum shear stress at the end of a simply supported R.C.C. beam of 6 m effective span is 10 kg/cm², the share stirrups are provided for a distance ‘x’ from either end where, ‘x’ is
If the maximum shear stress at the end of a simply supported R.C.C. beam of 6 m effective span is 10 kg/cm², the share stirrups are provided for a distance ‘x’ from either end where, ‘x’ is
The maximum shear stress (q) in concrete of a reinforced cement concrete beam is
The maximum shear stress (q) in concrete of a reinforced cement concrete beam is
If W is the load on a circular slab of radius R, the maximum circumferential moment at the centre of the slab, is
If W is the load on a circular slab of radius R, the maximum circumferential moment at the centre of the slab, is
If A is the area of the foundation of a retaining wall carrying a load W and retaining earth of weight 'w' per unit volume, the minimum depth (h) of the foundation from the free surface of the earth, is
If A is the area of the foundation of a retaining wall carrying a load W and retaining earth of weight 'w' per unit volume, the minimum depth (h) of the foundation from the free surface of the earth, is
According to load factor method, the permissible load ‘W’ on a short column reinforced with longitudinal bars and lateral stirrups, is
According to load factor method, the permissible load ‘W’ on a short column reinforced with longitudinal bars and lateral stirrups, is
In a pre-stressed member it is advisable to use
In a pre-stressed member it is advisable to use
A singly reinforced concrete beam of 25 cm width and 70 cm effective depth is provided with 18.75 cm² steel. If the modular ratio (m) is 15, the depth of the neutral axis, is
A singly reinforced concrete beam of 25 cm width and 70 cm effective depth is provided with 18.75 cm² steel. If the modular ratio (m) is 15, the depth of the neutral axis, is
The Young's modulus of elasticity of steel, is
The Young's modulus of elasticity of steel, is
Long and short spans of a two way slab are ly and lx and load on the slab acting on strips parallel to lx and ly be wx and wy respectively. According to Rankine Grashoff theory
Long and short spans of a two way slab are ly and lx and load on the slab acting on strips parallel to lx and ly be wx and wy respectively. According to Rankine Grashoff theory
On piles, the drop must be at least
On piles, the drop must be at least
An under-reinforced section means
An under-reinforced section means
The maximum shear stress (qmax) in a rectangular beam is
The maximum shear stress (qmax) in a rectangular beam is
If T and R are tread and rise respectively of a stair, then
If T and R are tread and rise respectively of a stair, then
The width of the flange of a T-beam, which may be considered to act effectively with the rib depends upon
The width of the flange of a T-beam, which may be considered to act effectively with the rib depends upon
If the length of an intermediate span of a continuous slab is 5 m, the length of the end span is kept
If the length of an intermediate span of a continuous slab is 5 m, the length of the end span is kept
Based on punching shear consideration, the overall depth of a combined footing under a column A, is
Based on punching shear consideration, the overall depth of a combined footing under a column A, is
If p₁ and p₂ are effective lateral loadings at the bottom and top exerted by a level earth subjected to a super-load on the vertical face of height h of a retaining wall, the horizontal pressure p per unit length of the wall, is
If p₁ and p₂ are effective lateral loadings at the bottom and top exerted by a level earth subjected to a super-load on the vertical face of height h of a retaining wall, the horizontal pressure p per unit length of the wall, is
As per IS : 1343, total shrinkage for a pre-tensioned beam, is
As per IS : 1343, total shrinkage for a pre-tensioned beam, is
After pre-stressing process is completed, a loss of stress is due to
After pre-stressing process is completed, a loss of stress is due to
The live load to be considered for an accessible roof, is
The live load to be considered for an accessible roof, is
The minimum clear cover for R.C.C. columns shall be
The minimum clear cover for R.C.C. columns shall be
The diameter of main bars in R.C.C. columns, shall not be less than
The diameter of main bars in R.C.C. columns, shall not be less than
A pre-cast pile generally used, is
A pre-cast pile generally used, is
If the size of a column is reduced above the floor, the main bars of the columns, are
If the size of a column is reduced above the floor, the main bars of the columns, are
The transverse reinforcements provided at right angles to the main reinforcement
The transverse reinforcements provided at right angles to the main reinforcement
If q is the punching shear resistance per unit area a, is the side of a square footing for a column of side b, carrying a weight W including the weight of the footing, the depth (D) of the footing from punching shear consideration, is
If q is the punching shear resistance per unit area a, is the side of a square footing for a column of side b, carrying a weight W including the weight of the footing, the depth (D) of the footing from punching shear consideration, is
Top bars are extended to the projecting parts of the combined footing of two columns L distance apart for a distance of
Top bars are extended to the projecting parts of the combined footing of two columns L distance apart for a distance of
A singly reinforced beam has breadth b, effective depth d, depth of neutral axis n and critical neutral axis n?. If fc and ft are permissible compressive and tensile stresses, the moment to resistance of the beam, is
A singly reinforced beam has breadth b, effective depth d, depth of neutral axis n and critical neutral axis n?. If fc and ft are permissible compressive and tensile stresses, the moment to resistance of the beam, is
If a rectangular pre-stressed beam of an effective span of 5 meters and carrying a total load 3840 kg/m, is designed by the load balancing method, the central dip of the parabolic tendon should be
If a rectangular pre-stressed beam of an effective span of 5 meters and carrying a total load 3840 kg/m, is designed by the load balancing method, the central dip of the parabolic tendon should be
The radius of a bar bend to form a hook, should not be less than
The radius of a bar bend to form a hook, should not be less than
In favourable circumstances a 15 cm concrete cube after 28 days, attains a maximum crushing strength
In favourable circumstances a 15 cm concrete cube after 28 days, attains a maximum crushing strength
Bottom bars under the columns are extended into the interior of the footing slab to a distance greater than
Bottom bars under the columns are extended into the interior of the footing slab to a distance greater than
As the percentage of steel increases
As the percentage of steel increases
High strength concrete is used in pre-stressed member
High strength concrete is used in pre-stressed member
In a combined footing for two columns carrying unequal loads, the maximum hogging bending moment occurs at
In a combined footing for two columns carrying unequal loads, the maximum hogging bending moment occurs at
As per IS : 456, the reinforcement in a column should not be less than
As per IS : 456, the reinforcement in a column should not be less than
The diameter of transverse reinforcement of columns should be equal to one-fourth of the diameter of the main steel rods but not less than
The diameter of transverse reinforcement of columns should be equal to one-fourth of the diameter of the main steel rods but not less than
An R.C.C. lintel is spanning an opening of 2 m span in a brick wall. The height of the roof is 2.9 m above the floor level and that of the opening is 2.1 m above the floor level. The lintel is to be designed for self weight plus
An R.C.C. lintel is spanning an opening of 2 m span in a brick wall. The height of the roof is 2.9 m above the floor level and that of the opening is 2.1 m above the floor level. The lintel is to be designed for self weight plus
The percentage of minimum reinforcement of the gross sectional area in slabs, is
The percentage of minimum reinforcement of the gross sectional area in slabs, is
The anchorage value of a hook is assumed sixteen times the diameter of the bar if the angle of the bend, is
The anchorage value of a hook is assumed sixteen times the diameter of the bar if the angle of the bend, is
If ‘W’ is the load on a circular slab of radius ‘R’, the maximum radial moment at the centre of the slab, is
If ‘W’ is the load on a circular slab of radius ‘R’, the maximum radial moment at the centre of the slab, is
If permissible working stresses in steel and concrete are respectively 1400 kg/cm² and 80 kg/cm² and modular ratio is 18, in a beam reinforced in tension side and of width 30 cm and having effective depth 46 cm, the lever arms of the section, is
If permissible working stresses in steel and concrete are respectively 1400 kg/cm² and 80 kg/cm² and modular ratio is 18, in a beam reinforced in tension side and of width 30 cm and having effective depth 46 cm, the lever arms of the section, is
An intermediate T-beam reinforced with two layers of tensile steel with clear cover 13 cm encased with the floor of a hall 12 meters by 7 meters, is spaced at 3 meters from adjoining beams and if the width of the beam is 20 cm, the breadth of the flange is
An intermediate T-beam reinforced with two layers of tensile steel with clear cover 13 cm encased with the floor of a hall 12 meters by 7 meters, is spaced at 3 meters from adjoining beams and if the width of the beam is 20 cm, the breadth of the flange is
Thickened part of a flat slab over its supporting column, is technically known as
Thickened part of a flat slab over its supporting column, is technically known as
[A + (m - 1)ASC] known as equivalent concrete area of R.C.C. is given by
[A + (m - 1)ASC] known as equivalent concrete area of R.C.C. is given by
If C is creep coefficient, f is original pre-stress in concrete, m is modular ratio, E is Young's modulus of steel and e is shrinkage strain, the combined effect of creep and shrinkage is:
If C is creep coefficient, f is original pre-stress in concrete, m is modular ratio, E is Young's modulus of steel and e is shrinkage strain, the combined effect of creep and shrinkage is:
In a pre-stressed beam carrying an external load W with a bent tendon is having angle of inclination ? and pre-stressed load P. The net downward load at the centre is
In a pre-stressed beam carrying an external load W with a bent tendon is having angle of inclination ? and pre-stressed load P. The net downward load at the centre is
Design of a two way slab simply supported on edges and having no provision to prevent the corners from lifting, is made by
Design of a two way slab simply supported on edges and having no provision to prevent the corners from lifting, is made by
If the shear stress in a R.C.C. beam is
If the shear stress in a R.C.C. beam is
Distribution of shear intensity over a rectangular section of a beam, follows:
Distribution of shear intensity over a rectangular section of a beam, follows:
Minimum spacing between horizontal parallel reinforcement of different sizes, should not be less than
Minimum spacing between horizontal parallel reinforcement of different sizes, should not be less than
The maximum diameter of a bar used in a ribbed slab, is
The maximum diameter of a bar used in a ribbed slab, is
If d is the diameter of a bar, ft is allowable tensile stress and fb, is allowable bond stress, the bond length is given by
If d is the diameter of a bar, ft is allowable tensile stress and fb, is allowable bond stress, the bond length is given by
The thickness of base slab of a retaining wall generally provided, is
The thickness of base slab of a retaining wall generally provided, is
In a simply supported slab, alternate bars are curtailed at
In a simply supported slab, alternate bars are curtailed at
If ‘H’ is the overall height of a retaining wall retaining a surcharge, the width of the base slab usually provided, is
If ‘H’ is the overall height of a retaining wall retaining a surcharge, the width of the base slab usually provided, is
An R.C.C. beam of 6 m span is 30 cm wide and has a lever arm of 55 cm. If it carries a U.D.L. of 12 t per m and allowable shear stress is 5 kg/cm², the beam
An R.C.C. beam of 6 m span is 30 cm wide and has a lever arm of 55 cm. If it carries a U.D.L. of 12 t per m and allowable shear stress is 5 kg/cm², the beam
Steel beam theory is used for
Steel beam theory is used for
Pick up the incorrect statement from the following: Tensile reinforcement bars of a rectangular beam
Pick up the incorrect statement from the following: Tensile reinforcement bars of a rectangular beam
For initial estimate for a beam design, the width is assumed
For initial estimate for a beam design, the width is assumed
The floor slab of a building is supported on reinforced cement floor beams. The ratio of the end and intermediate spans is kept
The floor slab of a building is supported on reinforced cement floor beams. The ratio of the end and intermediate spans is kept
If L is the effective span of a R.C.C. beam which is subjected to maximum shear qmax at the ends, the distance from either end over which stirrups for the shear, are provided, is
If L is the effective span of a R.C.C. beam which is subjected to maximum shear qmax at the ends, the distance from either end over which stirrups for the shear, are provided, is
Total pressure on the vertical face of a retaining wall of height h acts parallel to free surface and from the base at a distance of
Total pressure on the vertical face of a retaining wall of height h acts parallel to free surface and from the base at a distance of
The horizontal portion of a step in a stairs case, is known as
The horizontal portion of a step in a stairs case, is known as
An R.C.C. roof slab is designed as a two way slab if
An R.C.C. roof slab is designed as a two way slab if
If p₁ and p₂ are mutually perpendicular principal stresses acting on a soil mass, the normal stress on any plane inclined at angle θ° to the principal plane carrying the principal stress p₁, is:
If p₁ and p₂ are mutually perpendicular principal stresses acting on a soil mass, the normal stress on any plane inclined at angle θ° to the principal plane carrying the principal stress p₁, is:
For a ribbed slab
For a ribbed slab
The angle of repose of a soil is the maximum angle which the outer face of the soil mass makes
The angle of repose of a soil is the maximum angle which the outer face of the soil mass makes
The effective width of a column strip of a flat slab, is
The effective width of a column strip of a flat slab, is
The weight of reinforced concrete, is generally taken as
The weight of reinforced concrete, is generally taken as
A T-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis
A T-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis
Distribution reinforcement in a simply supported slab, is provided to distribute
Distribution reinforcement in a simply supported slab, is provided to distribute
If the sides of a slab simply supported on edges and spanning in two directions are equal, the maximum bending moment is multiplied by
If the sides of a slab simply supported on edges and spanning in two directions are equal, the maximum bending moment is multiplied by
The section of a reinforced beam where most distant concrete fibre in compression and tension in steel attains permissible stresses simultaneously, is called
The section of a reinforced beam where most distant concrete fibre in compression and tension in steel attains permissible stresses simultaneously, is called
The load stress of a section can be reduced by
The load stress of a section can be reduced by
The reinforced concrete beam which has width 25 cm, lever arm 40 cm, shear force 6t/cm², safe shear stress 5 kg/cm² and B.M. 24 mt,
The reinforced concrete beam which has width 25 cm, lever arm 40 cm, shear force 6t/cm², safe shear stress 5 kg/cm² and B.M. 24 mt,
The stem of a cantilever retaining wall which retains earth level with top is 6 m. If the angle of repose and weight of the soil per cubic metre are 30° and 2000 kg respectively, the effective width of the stem at the bottom, is
The stem of a cantilever retaining wall which retains earth level with top is 6 m. If the angle of repose and weight of the soil per cubic metre are 30° and 2000 kg respectively, the effective width of the stem at the bottom, is
