Sinking of an intermediate support of a continuous beam i) reduces the negative moment at support ii) increases the negative moment at support iii) reduces the positive moment at center of span iv) increases the positive moment at center of span The correct answer is

Concrete Technology and Design of Concrete Structures
Sinking of an intermediate support of a continuous beam
i) reduces the negative moment at support
ii) increases the negative moment at support
iii) reduces the positive moment at center of span
iv) increases the positive moment at center of span
The correct answer is

(ii) and (iii)

(ii) and (iv)

(i) and (iv)

(i) and (iii)

(ii) and (iii)

(ii) and (iv)

(i) and (iv)

(i) and (iii)

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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 (iii)

(ii) and (iv)

(i)and(iv)

(ii) and (iii)

(i) and (iii)

(ii) and (iv)

(i)and(iv)

(ii) and (iii)

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Concrete Technology and Design of Concrete Structures
The property of the ingredients to separate from each other while placing the concrete is called

shrinkage

compaction

bulking

segregation

shrinkage

compaction

bulking

segregation

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Concrete Technology and Design of Concrete Structures
The maximum value of hoop compression in a dome is given by (where, w = load per unit area of surface of dome R = radius of curvature d = thickness of dome)

wR/d

2wR/d

wR/2d

wR / 4d

wR/d

2wR/d

wR/2d

wR / 4d

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

Pretensioning system has greater certainty about its durability.

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

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

None of these

Pretensioning system has greater certainty about its durability.

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

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

None of these

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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 thinner bars but more in number

Increasing the depth

Providing shear reinforcement

Using high strength steel

Using thinner bars but more in number

Increasing the depth

Providing shear reinforcement

Using high strength steel

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Concrete Technology and Design of Concrete Structures

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 property of the ingredients to separate from each other while placing the concrete is called

Concrete Technology and Design of Concrete Structures The maximum value of hoop compression in a dome is given by (where, w = load per unit area of surface of dome R = radius of curvature d = thickness of dome)

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

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
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 property of the ingredients to separate from each other while placing the concrete is called

Concrete Technology and Design of Concrete Structures
The maximum value of hoop compression in a dome is given by (where, w = load per unit area of surface of dome R = radius of curvature d = thickness of dome)

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

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