Question #550
Based on the diagram, identify value A (angle α) for the two-leg sling:
W oparciu o przedstawiony rysunek wskaż wartość A (kat α) dla zawiesia dwucięgnowego:
Open full-size illustrationa
120°
120°
Correct answer
b
90°
90°
c
70°
70°
d
50°
50°
Why?
A identifies the largest included angle between the legs (kąt rozwarcia cięgien) shown, which is 120°, leaving 50% of the capacity available with vertical legs. The 90° angle applies to the middle arrangement and is already labelled.