Q. The economic spacing of roof truss depends on (Solved)
1. cost of purlins only
2. cost of purlins and cost of roof covering
3. dead loads
4. cost of roof covering and dead loads
- b. cost of purlins and cost of roof covering
1. cost of purlins only
2. cost of purlins and cost of roof covering
3. dead loads
4. cost of roof covering and dead loads