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

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 (ii)

only (i)

both (ii) and (iii)

both (i) and (iv)

only (ii)

only (i)

both (ii) and (iii)

both (i) and (iv)

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Concrete Technology and Design of Concrete Structures
For the design of retaining walls, the minimum factor of safety against overturning is taken as

3

2

2.5

1.5

3

2

2.5

1.5

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Concrete Technology and Design of Concrete Structures
Ratio of permissible stress in direct compression and bending compression is

less than 1

between 1 and 1.5

between 1.5 and 2.0

greater than 2

less than 1

between 1 and 1.5

between 1.5 and 2.0

greater than 2

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Concrete Technology and Design of Concrete Structures
The effect of adding calcium chloride in concrete isi) to increase shrinkageii) to decrease shrinkageiii) to increase setting timeiv) to decrease setting timeThe correct answer is

(i)and(iv)

(ii) and (iv)

(i) and (iii)

(ii) and (iii)

(i)and(iv)

(ii) and (iv)

(i) and (iii)

(ii) and (iii)

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Concrete Technology and Design of Concrete Structures
The percentage of voids in cement is approximately

70%

40%

60%

50%

70%

40%

60%

50%

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Concrete Technology and Design of Concrete Structures
Shrinkage of concrete depends uponi) humidity of atmosphereii) passage of timeiii) stress The correct answer is

(ii) and (iii)

All (i), (ii) and (iii)

(i) and (ii)

only (iii)

(ii) and (iii)

All (i), (ii) and (iii)

(i) and (ii)

only (iii)

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Concrete Technology and Design of Concrete Structures

Concrete Technology and Design of Concrete Structures For the design of retaining walls, the minimum factor of safety against overturning is taken as

Concrete Technology and Design of Concrete Structures Ratio of permissible stress in direct compression and bending compression is

Concrete Technology and Design of Concrete Structures The effect of adding calcium chloride in concrete isi) to increase shrinkageii) to decrease shrinkageiii) to increase setting timeiv) to decrease setting timeThe correct answer is

Concrete Technology and Design of Concrete Structures The percentage of voids in cement is approximately

Concrete Technology and Design of Concrete Structures Shrinkage of concrete depends uponi) humidity of atmosphereii) passage of timeiii) stress The correct answer is

Concrete Technology and Design of Concrete Structures
For the design of retaining walls, the minimum factor of safety against overturning is taken as

Concrete Technology and Design of Concrete Structures
Ratio of permissible stress in direct compression and bending compression is

Concrete Technology and Design of Concrete Structures
The effect of adding calcium chloride in concrete isi) to increase shrinkageii) to decrease shrinkageiii) to increase setting timeiv) to decrease setting timeThe correct answer is

Concrete Technology and Design of Concrete Structures
The percentage of voids in cement is approximately

Concrete Technology and Design of Concrete Structures
Shrinkage of concrete depends uponi) humidity of atmosphereii) passage of timeiii) stress The correct answer is