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1. |
A simply supported beam of span 24 m is to be designed to carry a central concentrated load of 200 kN. If 40 cm is the dip of the cable at the loading point from the neutral axis, the effective prestress is |
A. | 300 kN |
B. | 3000 kN |
C. | 200 kN |
D. | 2000 kN |
Answer» C. 200 kN | |