Concrete Technology and Design of Concrete Structures
Sinking of an intermediate support of a continuous beam i) reduces the negative moment at support ii) increases the negative moment at support iii) reduces the positive moment at center of span iv) increases the positive moment at center of span The correct answer is

(ii) and (iii)
(i) and (iii)
(ii) and (iv)
(i) and (iv)

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

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