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)

0.446 xu

0.367 xu

0.573 xu

0.416 xu

0.446 xu

0.367 xu

0.573 xu

0.416 xu

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Concrete Technology and Design of Concrete Structures
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

(iii) and (iv)

(ii) and (iii)

(i) and (iv)

(i) and (ii),

(iii) and (iv)

(ii) and (iii)

(i) and (iv)

(i) and (ii),

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Concrete Technology and Design of Concrete Structures
Admixtures which cause early setting, and hardening of concrete are called

air entraining agents

workability admixtures

retarders

accelerators

air entraining agents

workability admixtures

retarders

accelerators

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Concrete Technology and Design of Concrete Structures
If a beam fails in bond, then its bond strength can be increased most economi-cally by

using thinner bars but more in number

using thicker bars but less in number

increasing the depth of beam

providing vertical stirrups

using thinner bars but more in number

using thicker bars but less in number

increasing the depth of beam

providing vertical stirrups

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Concrete Technology and Design of Concrete Structures
To determine the modulus of rupture, the size of test specimen used is

150 x150 x500 mm

100 x100 x700 mm

100 x100 x500 mm

150 x150 x700 mm

150 x150 x500 mm

100 x100 x700 mm

100 x100 x500 mm

150 x150 x700 mm

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Concrete Technology and Design of Concrete Structures
Bulking of sand is maximum if moisture content is about

6%

4%

7%

5%

6%

4%

7%

5%

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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 Admixtures which cause early setting, and hardening of concrete are called

Concrete Technology and Design of Concrete Structures If a beam fails in bond, then its bond strength can be increased most economi-cally by

Concrete Technology and Design of Concrete Structures To determine the modulus of rupture, the size of test specimen used is

Concrete Technology and Design of Concrete Structures Bulking of sand is maximum if moisture content is about

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
Admixtures which cause early setting, and hardening of concrete are called

Concrete Technology and Design of Concrete Structures
If a beam fails in bond, then its bond strength can be increased most economi-cally by

Concrete Technology and Design of Concrete Structures
To determine the modulus of rupture, the size of test specimen used is

Concrete Technology and Design of Concrete Structures
Bulking of sand is maximum if moisture content is about