In the design of a front counterfort in a counterfort retaining wall, the main reinforcement is provided oni) bottom face near counterfortii) top face near counterfortiii) bottom face near centre of spaniv) 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 oni) bottom face near counterfortii) top face near counterfortiii) bottom face near centre of spaniv) top face near centre of span The correct answer is

only (i)

both (i) and (iv)

both (ii) and (iii)

only (ii)

only (i)

both (i) and (iv)

both (ii) and (iii)

only (ii)

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Concrete Technology and Design of Concrete Structures
When shear stress exceeds the permissible limit in a slab, then it is reduced by

Using high strength steel

Providing shear reinforcement

Using thinner bars but more in number

Increasing the depth

Using high strength steel

Providing shear reinforcement

Using thinner bars but more in number

Increasing the depth

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Concrete Technology and Design of Concrete Structures
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

(ii) and (iv)

(ii) and (iii)

(i) and (iv)

(i) and (iii)

(ii) and (iv)

(ii) and (iii)

(i) and (iv)

(i) and (iii)

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Concrete Technology and Design of Concrete Structures
According to Whitney’s theory, ultimate strain of concrete is assumed to be

0.5%

0.6%

0.3%

0.4%

0.5%

0.6%

0.3%

0.4%

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Concrete Technology and Design of Concrete Structures
As compared to ordinary portland cement, high alumina cement has

higher initial setting time but lower final setting time

lower initial setting time but higher final setting time

lower initial and final setting times

higher initial and final setting times

higher initial setting time but lower final setting time

lower initial setting time but higher final setting time

lower initial and final setting times

higher initial and final setting times

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Concrete Technology and Design of Concrete Structures
Prestress loss due to friction occurs

in both post-tensioned and preten-sioned beams

only in post-tensioned beams

None of these

only in pretensioned beams

in both post-tensioned and preten-sioned beams

only in post-tensioned beams

None of these

only in pretensioned beams

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Concrete Technology and Design of Concrete Structures

Concrete Technology and Design of Concrete Structures When shear stress exceeds the permissible limit in a slab, then it is reduced by

Concrete Technology and Design of Concrete Structures In a ring beam subjected to uniformly distributed loadi) shear force at mid span is zeroii) shear force at mid span is maximumiii) torsion at mid span is zeroiv) torsion at mid span is maximumThe correct answer is

Concrete Technology and Design of Concrete Structures According to Whitney’s theory, ultimate strain of concrete is assumed to be

Concrete Technology and Design of Concrete Structures As compared to ordinary portland cement, high alumina cement has

Concrete Technology and Design of Concrete Structures Prestress loss due to friction occurs

Concrete Technology and Design of Concrete Structures
When shear stress exceeds the permissible limit in a slab, then it is reduced by

Concrete Technology and Design of Concrete Structures
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

Concrete Technology and Design of Concrete Structures
According to Whitney’s theory, ultimate strain of concrete is assumed to be

Concrete Technology and Design of Concrete Structures
As compared to ordinary portland cement, high alumina cement has

Concrete Technology and Design of Concrete Structures
Prestress loss due to friction occurs