Concrete Technology and Design of Concrete Structures
In the design of a front counterfort in a counterfort retaining wall, the main reinforcement is provided oni) bottom face near counterfortii) top face near counterfortiii) bottom face near centre of spaniv) top face near centre of span The correct answer is

both (i) and (iv)
both (ii) and (iii)
only (i)
only (ii)

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Concrete Technology and Design of Concrete Structures
If the foundations of all the columns of a structure are designed on the total live and dead load basis, then

the settlement of exterior columns will be more than interior columns
there will be no settlement of columns
the settlement of interior columns will be more than exterior columns
there will be no differential settlement

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Concrete Technology and Design of Concrete Structures
High carbon content in the steel causes

increase in tensile strength but decrease in ductility
decrease in both tensile strength and ductility
increase in both tensile strength and ductility
decrease in tensile strength but increase in ductility

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