Concrete Technology and Design of Concrete Structures
Due to circumferential action of the spiral in a spirally reinforced column

Both the capacity of column and ductility of column increase
Capacity of column is decreased
Capacity of column is decreased but ductility of column increases
Ductility of column reduces

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Concrete Technology and Design of Concrete Structures
Select the correct statement for

High tensile steel is cheaper than mild steel
Carbon percentage in high carbon steel is less than that in mild steel
Elastic modulus of high tensile steel is nearly the same as that of mild steel
Elastic modulus of high tensile steel is more than that of mild steel

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Concrete Technology and Design of Concrete Structures
The critical section for finding maximum bending moment for footing under masonry wall is located

at the middle of the wall
halfway between the middle and edge of the wall
at a distance equal to effective depth of footing from the edge of the wall
at the edge of the wall

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