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

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 (i)

only (ii)

both (ii) and (iii)

both (i) and (iv)

only (i)

only (ii)

both (ii) and (iii)

both (i) and (iv)

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Concrete Technology and Design of Concrete Structures
Diagonal tension in a beam

Increases below the neutral axis and decreases above the neutral axis

Is maximum at neutral axis

Remains same

Decreases below the neutral axis and increases above the neutral axis

Increases below the neutral axis and decreases above the neutral axis

Is maximum at neutral axis

Remains same

Decreases below the neutral axis and increases above the neutral axis

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Concrete Technology and Design of Concrete Structures
In case of hand mixing of concrete, the extra cement to be added is

20%

5%

10%

15%

20%

5%

10%

15%

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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 x700 mm

100 x100 x700 mm

150 x150 x500 mm

100 x100 x500 mm

150 x150 x700 mm

100 x100 x700 mm

150 x150 x500 mm

100 x100 x500 mm

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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

less than 1

between 1 and 1.5

between 1.5 and 2

greater than 2

less than 1

between 1 and 1.5

between 1.5 and 2

greater than 2

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Concrete Technology and Design of Concrete Structures
A higher modular ratio shows

higher tensile strength of steel

lower tensile strength of steel

lower compressive strength of concrete

higher compressive strength of con-crete

higher tensile strength of steel

lower tensile strength of steel

lower compressive strength of concrete

higher compressive strength of con-crete

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Concrete Technology and Design of Concrete Structures

Concrete Technology and Design of Concrete Structures Diagonal tension in a beam

Concrete Technology and Design of Concrete Structures In case of hand mixing of concrete, the extra cement to be added 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 The slab is designed as one way if the ratio of long span to short span is

Concrete Technology and Design of Concrete Structures A higher modular ratio shows

Concrete Technology and Design of Concrete Structures
Diagonal tension in a beam

Concrete Technology and Design of Concrete Structures
In case of hand mixing of concrete, the extra cement to be added 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
The slab is designed as one way if the ratio of long span to short span is

Concrete Technology and Design of Concrete Structures
A higher modular ratio shows