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 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

(ii) and (iii)

(ii) and (iv)

(i) and (iii)

(i)and(iv)

(ii) and (iii)

(ii) and (iv)

(i) and (iii)

(i)and(iv)

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Concrete Technology and Design of Concrete Structures
The design yield stress of steel according to IS: 456-1978 is (where fy is the characteristic yield strength of steel)

0.87 fy

0.37 fy

0.57 fy

0.67 fy

0.87 fy

0.37 fy

0.57 fy

0.67 fy

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Concrete Technology and Design of Concrete Structures
If the depth of neutral axis for a singly reinforced rectangular section is represented by kd in working stress design, then the value of k for balanced section

depends on aCbC only

depends on as, only

depends on both crst and acbc

is independant of both ast and acbc where d is the effective depth, ast is per-missible stress in steel in tension and ocbc is permissible stress in concrete in bending compression.

depends on aCbC only

depends on as, only

depends on both crst and acbc

is independant of both ast and acbc where d is the effective depth, ast is per-missible stress in steel in tension and ocbc is permissible stress in concrete in bending compression.

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Concrete Technology and Design of Concrete Structures
The individual variation between test strength of sample should not be more than

± 10% of average

± 15% of average

±20% of average

±5% of average

± 10% of average

± 15% of average

±20% of average

±5% of average

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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 (ii) and (iii)

only (i)

both (i) and (iv)

only (ii)

both (ii) and (iii)

only (i)

both (i) and (iv)

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Concrete Technology and Design of Concrete Structures
Maximum percentage reinforcement in case of slabs is limited to

2

4

8

9

2

4

8

9

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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 design yield stress of steel according to IS: 456-1978 is (where fy is the characteristic yield strength of steel)

Concrete Technology and Design of Concrete Structures If the depth of neutral axis for a singly reinforced rectangular section is represented by kd in working stress design, then the value of k for balanced section

Concrete Technology and Design of Concrete Structures The individual variation between test strength of sample should not be more than

Concrete Technology and Design of Concrete Structures Maximum percentage reinforcement in case of slabs is limited to

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 design yield stress of steel according to IS: 456-1978 is (where fy is the characteristic yield strength of steel)

Concrete Technology and Design of Concrete Structures
If the depth of neutral axis for a singly reinforced rectangular section is represented by kd in working stress design, then the value of k for balanced section

Concrete Technology and Design of Concrete Structures
The individual variation between test strength of sample should not be more than

Concrete Technology and Design of Concrete Structures
Maximum percentage reinforcement in case of slabs is limited to