Q. |
The range of economical spacing of trusses varies from |
A. | l/3 to l/5 |
B. | l/4 to 2l/5 |
C. | l/3 to l/2 |
D. | 2l/5 to 3l/5, where l is span |
Answer» A. l/3 to l/5 |
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