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

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

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Concrete Technology and Design of Concrete Structures
As compared to ordinary portland cement, high alumina cement has

higher initial setting time but lower final setting time
higher initial and final setting times
lower initial and final setting times
lower initial setting time but higher final setting time

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