Sinking of an intermediate support of a continuous beami) reduces the negative moment at supportii) increases the negative moment at supportiii) reduces the positive moment at center of spaniv) increases the positive moment at center of span The correct answer is

• A. (ii) and (iv)
• B. (i) and (iii)
• C. (i) and (iv)
• D. (ii) and (iii)

Answer: (C)