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(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
In counterfort type retaining walls i) the vertical slab is designed as a continuous slab ii) the heel slab is designed as a continuous slab iii) the vertical slab is designed as a cantilever iv) the heel slab is designed as a cantilever The correct answer is

(iii) and (iv)

(ii) and (iii)

(i) and (iv)

(i) and (ii)

(iii) and (iv)

(ii) and (iii)

(i) and (iv)

(i) and (ii)

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Concrete Technology and Design of Concrete Structures
The slab is designed as one way if the ratio of long span to short span is

between 1.5 and 2

between 1 and 1.5

less than 1

greater than 2

between 1.5 and 2

between 1 and 1.5

less than 1

greater than 2

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

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

decreased by 25% for bars in compression

decreased by 10% for bars in compression

increased by 25% for bars in compression

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Concrete Technology and Design of Concrete Structures
In a ring beam subjected to uniformly distributed load i) shear force at mid span is zero ii) shear force at mid span is maximum iii) torsion at mid span is zero iv) torsion at mid span is maximum The correct answer is

(ii) and (iii)

(i) and (iii)

(i) and (iv)

(ii) and (iv)

(ii) and (iii)

(i) and (iii)

(i) and (iv)

(ii) and (iv)

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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

wR / 4d

wR/2d

2wR/d

wR/d

wR / 4d

wR/2d

2wR/d

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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 slab is designed as one way if the ratio of long span to short span is

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 In a ring beam subjected to uniformly distributed load i) shear force at mid span is zero ii) shear force at mid span is maximum iii) torsion at mid span is zero iv) torsion at mid span is maximum The correct answer is

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
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 slab is designed as one way if the ratio of long span to short span is

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
In a ring beam subjected to uniformly distributed load i) shear force at mid span is zero ii) shear force at mid span is maximum iii) torsion at mid span is zero iv) torsion at mid span is maximum The correct answer is

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)