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1. |
The width of the rib of a T-beam, is generally kept between |
A. | 1/7 to 1/3 of rib depth |
B. | 1/3 to 1/2 of rib depth |
C. | 1/2 to 3/4 of rib depth |
D. | 1/3 to 2/3 of rib depth |
Answer» E. | |