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)

both (i) and (iv)

both (ii) and (iii)

only (i)

only (ii)

both (i) and (iv)

both (ii) and (iii)

only (i)

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Concrete Technology and Design of Concrete Structures
Select the incorrect statement for ...

Lean mixes bleed more as compared to rich ones.

None of these

Bleeding can be increased by addition of calcium chloride.

Bleeding can be minimized by adding pozzuolana finer aggregate.

Lean mixes bleed more as compared to rich ones.

None of these

Bleeding can be increased by addition of calcium chloride.

Bleeding can be minimized by adding pozzuolana finer aggregate.

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Concrete Technology and Design of Concrete Structures
The average permissible stress in bond for plain bars in tension is

decreased by 25% for bars in compression

decreased by 10% for bars in compression

increased by 25% for bars in compression

increased by 10% for bars in compression

decreased by 25% for bars in compression

decreased by 10% for bars in compression

increased by 25% for bars in compression

increased by 10% for bars in compression

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Concrete Technology and Design of Concrete Structures
Select the incorrect statement...

None of these

The loss of prestress is more in pre-tensioning system than in post-tensioning system.

Pretensioning system has greater certainty about its durability.

For heavy loads and large spans in buildings or bridges, post-tensioning system is cheaper than pretensioning system

None of these

The loss of prestress is more in pre-tensioning system than in post-tensioning system.

Pretensioning system has greater certainty about its durability.

For heavy loads and large spans in buildings or bridges, post-tensioning system is cheaper than pretensioning system

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Concrete Technology and Design of Concrete Structures
The percentage of reinforcement in case of slabs, when high strength deformed bars are used is not less than

0.12

0.14

0.13

0.15

0.12

0.14

0.13

0.15

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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

0.416 xu

0.573 xu

0.446 xu

0.367 xu

0.416 xu

0.573 xu

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Concrete Technology and Design of Concrete Structures

Concrete Technology and Design of Concrete Structures Select the incorrect statement for ...

Concrete Technology and Design of Concrete Structures The average permissible stress in bond for plain bars in tension is

Concrete Technology and Design of Concrete Structures Select the incorrect statement...

Concrete Technology and Design of Concrete Structures The percentage of reinforcement in case of slabs, when high strength deformed bars are used is not less than

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
Select the incorrect statement for ...

Concrete Technology and Design of Concrete Structures
The average permissible stress in bond for plain bars in tension is

Concrete Technology and Design of Concrete Structures
Select the incorrect statement...

Concrete Technology and Design of Concrete Structures
The percentage of reinforcement in case of slabs, when high strength deformed bars are used is not less than

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)