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Concrete Technology and Design of Concrete Structures

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

15%
10 %
20%
5%

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Concrete Technology and Design of Concrete Structures
In a counterfort retaining wall, the main reinforcement is provided on the i) bottom face in front counterfort ii) inclined face in front counterfort iii) bottom face in back counterfort iv) inclined face in back counterEort The correct answer is

(ii) and (iii)
(i) and (ii),
(i) and (iv)
(iii) and (iv)

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Concrete Technology and Design of Concrete Structures
The depth of footing for an isolated column is governed by
i) maximum bending moment
ii) shear force
iii) punching shear
The correct answer is

(i), (ii) and (iii)
only (i)
(i) and (ii)
(i) and (iii)

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Concrete Technology and Design of Concrete Structures
If the permissible stress in steel in tension is 140 N/mm², then the depth of neutral axis for a singly reinforced rectangular balanced section will be

0.40 d
0.35 d
dependent on grade of concrete also
0.45 d

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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)
(i) and (iii)
(ii) and (iii)
(ii) and (iv)

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Concrete Technology and Design of Concrete Structures
The depth of footing for an isolated column is governed by i) maximum bending moment ii) shear force iii) punching shear The correct answer is

(i), (ii) and (iii)
(i) and (iii)
only (i)
(i) and (ii)

ANSWER DOWNLOAD EXAMIANS APP
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