Stress strain curve of high tensile steel
Stress strain curve of high tensile steel
If a beam fails in bond, then its bond strength can be increased most economi-cally by
If a beam fails in bond, then its bond strength can be increased most economi-cally by
Prestress loss due to friction occurs
Prestress loss due to friction occurs
The recommended value of modular ratio for reinforced brick work is
The recommended value of modular ratio for reinforced brick work is
Minimum pitch of transverse reinforcement in a column is
Minimum pitch of transverse reinforcement in a column is
The temperature reinforcement in the vertical slab of a T-shaped R.C. retaining wall is
The temperature reinforcement in the vertical slab of a T-shaped R.C. retaining wall is
Critical section for shear in case of flat slabs is at a distance of
Critical section for shear in case of flat slabs is at a distance of
Poisson’s ratio for concrete
Poisson’s ratio for concrete
In symmetrically reinforced sections, shrinkage stresses in concrete and steel are respectively
In symmetrically reinforced sections, shrinkage stresses in concrete and steel are respectively
According to ISI recommendations, the maximum depth of stress block for balanced section of a beam of effective depth d is
According to ISI recommendations, the maximum depth of stress block for balanced section of a beam of effective depth d is
For a longitudinal reinforcing bar in a column, the minimum cover shall neither be less than the diameter of bar nor less than
For a longitudinal reinforcing bar in a column, the minimum cover shall neither be less than the diameter of bar nor less than
Select the incorrect statement
Select the incorrect statement
For walls, columns and vertical faces of all structural members, the form work is generally removed after
For walls, columns and vertical faces of all structural members, the form work is generally removed after
As compared to ordinary portland cement, use of pozzuolanic cement
As compared to ordinary portland cement, use of pozzuolanic cement
If the depth of neutral axis for a singly reinforced rectangular section is represented by kd in working stress design, then the value of k for balanced section
If the depth of neutral axis for a singly reinforced rectangular section is represented by kd in working stress design, then the value of k for balanced section
For concreting of heavily reinforced sections without vibration, the workability of concrete expressed as compacting factor should be
For concreting of heavily reinforced sections without vibration, the workability of concrete expressed as compacting factor should be
The depth of footing for an isolated column is governed by
i) maximum bending moment
ii) shear force
iii) punching shear
The correct answer is
The depth of footing for an isolated column is governed by
i) maximum bending moment
ii) shear force
iii) punching shear
The correct answer is
The percentage of voids in cement is approximately
The percentage of voids in cement is approximately
The property of the ingredients to separate from each other while placing the concrete is called
The property of the ingredients to separate from each other while placing the concrete is called
Which of the following R.C. retaining walls is suitable for heights beyond 6m?
Which of the following R.C. retaining walls is suitable for heights beyond 6m?
If the foundations of all the columns of a structure are designed on the total live and dead load basis, then
If the foundations of all the columns of a structure are designed on the total live and dead load basis, then
The main reinforcement in the toe of a T- shaped R C. retaining wall is provided on
i) top face parallel to the wall
ii) top face perpendicular to the wall
iii) bottom face paralleUo the wall
iv) bottom face perpendicular to the wall
The correct answer is
The main reinforcement in the toe of a T- shaped R C. retaining wall is provided on
i) top face parallel to the wall
ii) top face perpendicular to the wall
iii) bottom face paralleUo the wall
iv) bottom face perpendicular to the wall
The correct answer is
If the permissible stress in steel in tension is 140 N/mm², then the depth of neutral axis for a singly reinforced rectangular balanced section will be
If the permissible stress in steel in tension is 140 N/mm², then the depth of neutral axis for a singly reinforced rectangular balanced section will be
According to IS : 456- 1978, minimum slenderness ratio for a short column is
According to IS : 456- 1978, minimum slenderness ratio for a short column is
The load carrying capacity of a helically reinforced column as compared to that of a tied column is about
The load carrying capacity of a helically reinforced column as compared to that of a tied column is about
In a spherical dome subjected to concentrated load at crown or uniformly distributed load, the meridional force is always
In a spherical dome subjected to concentrated load at crown or uniformly distributed load, the meridional force is always
In reinforced concrete footing on soil, the minimum thickness at edge should not be less than
In reinforced concrete footing on soil, the minimum thickness at edge should not be less than
According to IS: 456-1978, the maximum reinforcement in a column is
According to IS: 456-1978, the maximum reinforcement in a column is
If the size of panel in a flat slab is 6m x 6m, then as per Indian Standard Code, the widths of column strip and middle strip are
If the size of panel in a flat slab is 6m x 6m, then as per Indian Standard Code, the widths of column strip and middle strip are
To minimize the effect of differential settlement, the area of a footing should be designed for
To minimize the effect of differential settlement, the area of a footing should be designed for
The percentage of reinforcement in case of slabs, when high strength deformed bars are used is not less than
The percentage of reinforcement in case of slabs, when high strength deformed bars are used is not less than
Maximum quantity of water needed per 50 kg of cement for M 15 grade of concrete is
Maximum quantity of water needed per 50 kg of cement for M 15 grade of concrete is
The compressive strength of 100 mm cube as compared to 150 mm cube is always
The compressive strength of 100 mm cube as compared to 150 mm cube is always
In the design of a front counterfort in a counterfort retaining wall, the main reinforcement is provided on
i) bottom face near counterfort
ii) top face near counterfort
iii) bottom face near centre of span
iv) top face near centre of span
The correct answer is
In the design of a front counterfort in a counterfort retaining wall, the main reinforcement is provided on
i) bottom face near counterfort
ii) top face near counterfort
iii) bottom face near centre of span
iv) top face near centre of span
The correct answer is
A T-shaped retaining wall mainly conssits of
A T-shaped retaining wall mainly conssits of
If the depth of actual neutral axis in a beam is more than the depth of critical neutral axis, then the beam is called
If the depth of actual neutral axis in a beam is more than the depth of critical neutral axis, then the beam is called
Which of the following has high tensile strength ?
Which of the following has high tensile strength ?
In a counterfort retaining wall, the main reinforcement is provided on the
i) bottom face in front counterfort
ii) inclined face in front counterfort
iii) bottom face in back counterfort
iv) inclined face in back counterEort
The correct answer is
In a counterfort retaining wall, the main reinforcement is provided on the
i) bottom face in front counterfort
ii) inclined face in front counterfort
iii) bottom face in back counterfort
iv) inclined face in back counterEort
The correct answer is
For a cantilever of effective depth of 0.5m, the maximum span to satisfy vertical deflection limit is
For a cantilever of effective depth of 0.5m, the maximum span to satisfy vertical deflection limit is
In a counterfort retaining wall, the main reinforcement in the stem at mid span is provided on
In a counterfort retaining wall, the main reinforcement in the stem at mid span is provided on
Approximate value of shrinkage strain in concrete, is
Approximate value of shrinkage strain in concrete, is
The individual variation between test strength of sample should not be more than
The individual variation between test strength of sample should not be more than
Admixtures which cause early setting, and hardening of concrete are called
Admixtures which cause early setting, and hardening of concrete are called
The maximum value of hoop compression in a dome is given by (where, w = load per unit area of surface of dome R = radius of curvature d = thickness of dome)
The maximum value of hoop compression in a dome is given by (where, w = load per unit area of surface of dome R = radius of curvature d = thickness of dome)
According to IS: 456-1978, the column or the strut is the member whose effective length is greater than
According to IS: 456-1978, the column or the strut is the member whose effective length is greater than
The diameter of ties in a column should be
The diameter of ties in a column should be
Which of the following losses of prestress occurs only in pretensioning and not in post-tensioning ?
Which of the following losses of prestress occurs only in pretensioning and not in post-tensioning ?
The effect of adding calcium chloride in concrete is
i) to increase shrinkage
ii) to decrease shrinkage
iii) to increase setting time
iv) to decrease setting time
The correct answer is
The effect of adding calcium chloride in concrete is
i) to increase shrinkage
ii) to decrease shrinkage
iii) to increase setting time
iv) to decrease setting time
The correct answer is
The load factors for live load and dead load are taken respectively as
The load factors for live load and dead load are taken respectively as
High carbon content in the steel causes
High carbon content in the steel causes
In a ring beam subjected to uniformly distributed load
i) shear force at mid span is zero
ii) shear force at mid span is maximum
iii) torsion at mid span is zero
iv) torsion at mid span is maximum
The correct answer is
In a ring beam subjected to uniformly distributed load
i) shear force at mid span is zero
ii) shear force at mid span is maximum
iii) torsion at mid span is zero
iv) torsion at mid span is maximum
The correct answer is
Due to circumferential action of the spiral in a spirally reinforced column
Due to circumferential action of the spiral in a spirally reinforced column
Maximum percentage reinforcement in case of slabs is limited to
Maximum percentage reinforcement in case of slabs is limited to
Modulus of rupture of concrete is a measure of
Modulus of rupture of concrete is a measure of
To determine the modulus of rupture, the size of test specimen used is
To determine the modulus of rupture, the size of test specimen used is
A continuous beam is deemed to be a deep beam when the ratio of effective span to overall depth (1/D) is less than
A continuous beam is deemed to be a deep beam when the ratio of effective span to overall depth (1/D) is less than
For a continuous slab of 3 m x 3.5 m size, the minimum overall depth of slab to satisfy vertical deflection limits is
For a continuous slab of 3 m x 3.5 m size, the minimum overall depth of slab to satisfy vertical deflection limits is
When shear stress exceeds the permissible limit in a slab, then it is reduced by
When shear stress exceeds the permissible limit in a slab, then it is reduced by
In a spherical dome the hoop stress due to a concentrated load at crown is
In a spherical dome the hoop stress due to a concentrated load at crown is
In T-shaped R C. retaining walls, the main reinforcement in the stem is provided on
In T-shaped R C. retaining walls, the main reinforcement in the stem is provided on
In case of hand mixing of concrete, the extra cement to be added is
In case of hand mixing of concrete, the extra cement to be added is
In working stress design, permissible bond stress in the case of deformed bars is more than that in plain bars by
In working stress design, permissible bond stress in the case of deformed bars is more than that in plain bars by
Ultimate strength of cold drawn high steel wires
Ultimate strength of cold drawn high steel wires
The permissible diagonal tensile stress in reinforced brick work is
The permissible diagonal tensile stress in reinforced brick work is
The limits of percentage p of the longitudinal reinforce-ment in a column is given by
The limits of percentage p of the longitudinal reinforce-ment in a column is given by
The purpose of reinforcement in pre-stressed concrete is
The purpose of reinforcement in pre-stressed concrete is
Bulking of sand is maximum if moisture content is about
Bulking of sand is maximum if moisture content is about
The minimum cover to the ties or spirals should not be less than
The minimum cover to the ties or spirals should not be less than
Cube strength of controlled concrete to be used for pretensioned and post-tensioned work respectively should not be less than
Cube strength of controlled concrete to be used for pretensioned and post-tensioned work respectively should not be less than
Ratio of permissible stress in direct compression and bending compression is
Ratio of permissible stress in direct compression and bending compression is
In counterfort type retaining walls
i) the vertical slab is designed as a continuous slab
ii) the heel slab is designed as a continuous slab
iii) the vertical slab is designed as a cantilever
iv) the heel slab is designed as a cantilever
The correct answer is
In counterfort type retaining walls
i) the vertical slab is designed as a continuous slab
ii) the heel slab is designed as a continuous slab
iii) the vertical slab is designed as a cantilever
iv) the heel slab is designed as a cantilever
The correct answer is
Sinking of an intermediate support of a continuous beam
i) reduces the negative moment at support
ii) increases the negative moment at support
iii) reduces the positive moment at center of span
iv) increases the positive moment at center of span
The correct answer is
Sinking of an intermediate support of a continuous beam
i) reduces the negative moment at support
ii) increases the negative moment at support
iii) reduces the positive moment at center of span
iv) increases the positive moment at center of span
The correct answer is
Most common method of prestressing used for factory production is
Most common method of prestressing used for factory production is
Increase in the moisture content in concrete
Increase in the moisture content in concrete
Select the incorrect statement
Select the incorrect statement
As compared to ordinary portland cement, high alumina cement has
As compared to ordinary portland cement, high alumina cement has
If nominal shear stress tv exceeds the design shear strength of concrete xc, the nominal shear reinforcement as per IS : 456-1978 shall be provided for carrying a shear stress equal to
If nominal shear stress tv exceeds the design shear strength of concrete xc, the nominal shear reinforcement as per IS : 456-1978 shall be provided for carrying a shear stress equal to
The property of fresh concrete, in which the water in the mix tends to rise to the surface while placing and compacting, is called
The property of fresh concrete, in which the water in the mix tends to rise to the surface while placing and compacting, is called
In order to obtain the best workability of concrete, the preferred shape of aggregate is
In order to obtain the best workability of concrete, the preferred shape of aggregate is
The slab is designed as one way if the ratio of long span to short span is
The slab is designed as one way if the ratio of long span to short span is
The effect of creep on modular ratio is
The effect of creep on modular ratio is
Workability of concrete is inversely proportional to
Workability of concrete is inversely proportional to
For a simply supported beam of span 15m, the minimum effective depth to satisfy the vertical deflection limits should be
For a simply supported beam of span 15m, the minimum effective depth to satisfy the vertical deflection limits should be
The average permissible stress in bond for plain bars in tension is
The average permissible stress in bond for plain bars in tension is
Which of the following statements is incorrect?
Which of the following statements is incorrect?
While designing the pile as a column, the end conditions are nearly
While designing the pile as a column, the end conditions are nearly
The minimum cover in a slab should neither be less than the diameter of bar nor less than
The minimum cover in a slab should neither be less than the diameter of bar nor less than
Minimum thickness of load bearing RCC wall should be
Minimum thickness of load bearing RCC wall should be
Normally prestressing wires are arranged in the
Normally prestressing wires are arranged in the
The relation between modulus of rupture fcr, splitting strength fcs and direct tensile strength fcl is given by
The relation between modulus of rupture fcr, splitting strength fcs and direct tensile strength fcl is given by
Shrinkage of concrete depends upon
i) humidity of atmosphere
ii) passage of time
iii) stress
The correct answer is
Shrinkage of concrete depends upon
i) humidity of atmosphere
ii) passage of time
iii) stress
The correct answer is
A beam curved in plan is designed for
A beam curved in plan is designed for
Minimum grade of concrete to be used in reinforced concrete as per IS:456-1978 is
Minimum grade of concrete to be used in reinforced concrete as per IS:456-1978 is
Select the correct statement
Select the correct statement
The main reinforcement in the heel of a T-shaped R.C. retaining wall is provided on
The main reinforcement in the heel of a T-shaped R.C. retaining wall is provided on
Finer grinding of cement
Finer grinding of cement
According to Whitney’s theory, ultimate strain of concrete is assumed to be
According to Whitney’s theory, ultimate strain of concrete is assumed to be
A higher modular ratio shows
A higher modular ratio shows
For a slab supported on its four edges with corners held down and loaded uniformly, the Marcus correction factor to the moments obtained by Grashoff Rankine’s theory
For a slab supported on its four edges with corners held down and loaded uniformly, the Marcus correction factor to the moments obtained by Grashoff Rankine’s theory
Air entrainment in the concrete increases
Air entrainment in the concrete increases
