For the following questions answer them individually
In the method used to establish the magnitude of live load, what is the reference time period?
Find the value of reduction factor R2 if F (rise to span ratio in inches) is given to be 5.
If a structure has total 10 joints, then what should be the minimum no. of joints in which equilibrium equations should be concurrently satisfied for stability?
A single angle in tension is connected by one leg only. If the areas of connecting and outstanding legs are respectively a and b, then what is the net effective area of the angle ?
A) $$a-\frac{b}{1+0.35\frac{b}{a}}$$
B) $$a+\frac{b}{1+0.35\frac{b}{a}}$$
C) $$a-\frac{b}{1+0.2\frac{b}{a}}$$
D) $$a+\frac{b}{1+0.2\frac{b}{a}}$$
Generally, in a truss system compressive parts are thicker than tensile parts. Is it true or false?