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Q. |
Which of the following load combination is not considered for design of roof trusses? |
A. | dead load + crane load |
B. | dead load + wind load |
C. | dead load + earthquake load |
D. | dead load + live load + wind load |
Answer» C. dead load + earthquake load | |
Explanation: earthquake loads are not significant for roof trusses because of the small self weights. the following load combinations can be considered : (i) dead load + snow load, (ii) dead load + partial/full live load, (iii) dead load + live load + internal positive air pressure, (iv) dead load + live load + internal suction air pressure, (v) dead load + live load + wind load. |
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