The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of (where xu is the depth of neutral axis at the limit state of collapse)

Concrete Technology and Design of Concrete Structures
The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of (where xu is the depth of neutral axis at the limit state of collapse)

0.367 xu

0.416 xu

0.446 xu

0.573 xu

0.367 xu

0.416 xu

0.446 xu

0.573 xu

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Concrete Technology and Design of Concrete Structures
Which of the following has high tensile strength ?

plain hot rolled wires

heat treated rolled wires

cold drawn wires

all have same tensile strength

plain hot rolled wires

heat treated rolled wires

cold drawn wires

all have same tensile strength

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Concrete Technology and Design of Concrete Structures
In symmetrically reinforced sections, shrinkage stresses in concrete and steel are respectively

both compressive

compressive and tensile

tensile and compressive

both tensile

both compressive

compressive and tensile

tensile and compressive

both tensile

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Concrete Technology and Design of Concrete Structures
In a spherical dome the hoop stress due to a concentrated load at crown is

tensile everywhere

compressive everywhere

partly compressive and partly tensile

zero

tensile everywhere

compressive everywhere

partly compressive and partly tensile

zero

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Concrete Technology and Design of Concrete Structures
According to ISI recommendations, the maximum depth of stress block for balanced section of a beam of effective depth d is

0.68 d

0.55 d

0.43 d

0.85 d

0.68 d

0.55 d

0.43 d

0.85 d

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Concrete Technology and Design of Concrete Structures
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

only (i)

only (ii)

both (i) and (iv)

both (ii) and (iii)

only (i)

only (ii)

both (i) and (iv)

both (ii) and (iii)

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Concrete Technology and Design of Concrete Structures

Concrete Technology and Design of Concrete Structures The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of (where xu is the depth of neutral axis at the limit state of collapse)

Concrete Technology and Design of Concrete Structures Which of the following has high tensile strength ?

Concrete Technology and Design of Concrete Structures In symmetrically reinforced sections, shrinkage stresses in concrete and steel are respectively

Concrete Technology and Design of Concrete Structures In a spherical dome the hoop stress due to a concentrated load at crown is

Concrete Technology and Design of Concrete Structures According to ISI recommendations, the maximum depth of stress block for balanced section of a beam of effective depth d is

Concrete Technology and Design of Concrete Structures
The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of (where xu is the depth of neutral axis at the limit state of collapse)

Concrete Technology and Design of Concrete Structures
Which of the following has high tensile strength ?

Concrete Technology and Design of Concrete Structures
In symmetrically reinforced sections, shrinkage stresses in concrete and steel are respectively

Concrete Technology and Design of Concrete Structures
In a spherical dome the hoop stress due to a concentrated load at crown is

Concrete Technology and Design of Concrete Structures
According to ISI recommendations, the maximum depth of stress block for balanced section of a beam of effective depth d is