In a ring beam subjected to uniformly distributed loadi) shear force at mid span is zeroii) shear force at mid span is maximumiii) torsion at mid span is zeroiv) torsion at mid span is maximum The correct answer is

Concrete Technology and Design of Concrete Structures
In a ring beam subjected to uniformly distributed loadi) shear force at mid span is zeroii) shear force at mid span is maximumiii) torsion at mid span is zeroiv) torsion at mid span is maximum The correct answer is

(ii) and (iv)

(i) and (iv)

(i) and (iii)

(ii) and (iii)

(ii) and (iv)

(i) and (iv)

(i) and (iii)

(ii) 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

10 %

5%

20%

15%

10 %

5%

20%

15%

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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)

2wR/d

wR/d

wR/2d

wR / 4d

2wR/d

wR/d

wR/2d

wR / 4d

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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

increased by 25% for bars in compression

decreased by 10% for bars in compression

increased by 10% for bars in compression

decreased by 25% for bars in compression

increased by 25% for bars in compression

decreased by 10% for bars in compression

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Concrete Technology and Design of Concrete Structures
To determine the modulus of rupture, the size of test specimen used is

150 x150 x500 mm

100 x100 x700 mm

150 x150 x700 mm

100 x100 x500 mm

150 x150 x500 mm

100 x100 x700 mm

150 x150 x700 mm

100 x100 x500 mm

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Concrete Technology and Design of Concrete Structures
For the design of retaining walls, the minimum factor of safety against overturning is taken as

2

1.5

3

2.5

2

1.5

3

2.5

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Concrete Technology and Design of Concrete Structures

Concrete Technology and Design of Concrete Structures In a ring beam subjected to uniformly distributed loadi) shear force at mid span is zeroii) shear force at mid span is maximumiii) torsion at mid span is zeroiv) torsion at mid span is maximum 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 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 average permissible stress in bond for plain bars in tension is

Concrete Technology and Design of Concrete Structures To determine the modulus of rupture, the size of test specimen used is

Concrete Technology and Design of Concrete Structures For the design of retaining walls, the minimum factor of safety against overturning is taken as

Concrete Technology and Design of Concrete Structures
In a ring beam subjected to uniformly distributed loadi) shear force at mid span is zeroii) shear force at mid span is maximumiii) torsion at mid span is zeroiv) torsion at mid span is maximum 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
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 average permissible stress in bond for plain bars in tension is

Concrete Technology and Design of Concrete Structures
To determine the modulus of rupture, the size of test specimen used is

Concrete Technology and Design of Concrete Structures
For the design of retaining walls, the minimum factor of safety against overturning is taken as