The effect of adding calcium chloride in concrete is i) to increase shrinkage ii) to decrease shrinkage iii) to increase setting time iv) to decrease setting time The correct answer is

Concrete Technology and Design of Concrete Structures
The effect of adding calcium chloride in concrete is i) to increase shrinkage ii) to decrease shrinkage iii) to increase setting time iv) to decrease setting time The correct answer is

(i) and (iii)

(ii) and (iv)

(ii) and (iii)

(i)and(iv)

(i) and (iii)

(ii) and (iv)

(ii) and (iii)

(i)and(iv)

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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
1% of voids in a concrete mix would reduce its strength by about

20%

10 %

5%

15%

20%

10 %

5%

15%

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

5%

6%

4%

7%

5%

6%

4%

7%

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Concrete Technology and Design of Concrete Structures
If the foundations of all the columns of a structure are designed on the total live and dead load basis, then

the settlement of interior columns will be more than exterior columns

there will be no differential settlement

the settlement of exterior columns will be more than interior columns

there will be no settlement of columns

the settlement of interior columns will be more than exterior columns

there will be no differential settlement

the settlement of exterior columns will be more than interior columns

there will be no settlement of columns

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

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

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

None of these

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

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

None of these

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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 is i) to increase shrinkage ii) to decrease shrinkage iii) to increase setting time iv) to decrease setting time The correct answer is

Concrete Technology and Design of Concrete Structures 1% of voids in a concrete mix would reduce its strength by about

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

Concrete Technology and Design of Concrete Structures If the foundations of all the columns of a structure are designed on the total live and dead load basis, then

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

Concrete Technology and Design of Concrete Structures
The effect of adding calcium chloride in concrete is i) to increase shrinkage ii) to decrease shrinkage iii) to increase setting time iv) to decrease setting time The correct answer is

Concrete Technology and Design of Concrete Structures
1% of voids in a concrete mix would reduce its strength by about

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

Concrete Technology and Design of Concrete Structures
If the foundations of all the columns of a structure are designed on the total live and dead load basis, then

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