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

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)

(i) and (iv)

(ii) and (iii)

(i) and (ii)

(iii) and (iv)

(i) and (iv)

(ii) and (iii)

(i) and (ii)

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Concrete Technology and Design of Concrete Structures
The effect of creep on modular ratio is

to increase it

to decrease it

to keep it unchanged

either to decrease or to increase it

to increase it

to decrease it

to keep it unchanged

either to decrease or to increase it

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Concrete Technology and Design of Concrete Structures
Maximum quantity of water needed per 50 kg of cement for M 15 grade of concrete is

28 liters

30 liters

34 liters

32 liters

28 liters

30 liters

34 liters

32 liters

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Concrete Technology and Design of Concrete Structures
The effect of adding calcium chloride in concrete is i) to increase shrinkage ii) to decrease shrinkage iii) to increase setting time iv) to decrease setting time The correct answer is

(ii) and (iv)

(i) and (iii)

(i)and(iv)

(ii) and (iii)

(ii) and (iv)

(i) and (iii)

(i)and(iv)

(ii) and (iii)

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Concrete Technology and Design of Concrete Structures
According to IS: 456-1978, the column or the strut is the member whose effective length is greater than

3 times the least lateral dimension

2 times the least lateral dimension

4 times the least lateral dimension

The least lateral dimension

3 times the least lateral dimension

2 times the least lateral dimension

4 times the least lateral dimension

The least lateral dimension

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Concrete Technology and Design of Concrete Structures
According to IS : 456-1978, the fiexural strength of concrete is

directly proportional to compressive strength

inversely proportional to compressive strength

directly proportional to square root of compressive strength

inversely proportional to square root of compressive strength

directly proportional to compressive strength

inversely proportional to compressive strength

directly proportional to square root of compressive strength

inversely proportional to square root of compressive strength

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Concrete Technology and Design of Concrete Structures

Concrete Technology and Design of Concrete Structures The effect of creep on modular ratio is

Concrete Technology and Design of Concrete Structures Maximum quantity of water needed per 50 kg of cement for M 15 grade of concrete is

Concrete Technology and Design of Concrete Structures The effect of adding calcium chloride in concrete is i) to increase shrinkage ii) to decrease shrinkage iii) to increase setting time iv) to decrease setting time The correct answer is

Concrete Technology and Design of Concrete Structures According to IS: 456-1978, the column or the strut is the member whose effective length is greater than

Concrete Technology and Design of Concrete Structures According to IS : 456-1978, the fiexural strength of concrete is

Concrete Technology and Design of Concrete Structures
The effect of creep on modular ratio is

Concrete Technology and Design of Concrete Structures
Maximum quantity of water needed per 50 kg of cement for M 15 grade of concrete is

Concrete Technology and Design of Concrete Structures
The effect of adding calcium chloride in concrete is i) to increase shrinkage ii) to decrease shrinkage iii) to increase setting time iv) to decrease setting time The correct answer is

Concrete Technology and Design of Concrete Structures
According to IS: 456-1978, the column or the strut is the member whose effective length is greater than

Concrete Technology and Design of Concrete Structures
According to IS : 456-1978, the fiexural strength of concrete is