As the angle between two slings increases along the horizontal plane, the amount of tension on a pair of slings _____.
a. increases
b. decreases
c. remains the same
d. becomes horizontal
Answer: A
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Answer the following statement true (T) or false (F)
Backwrapping in an EIFS-clad wall refers to _________.
A) wrapping the joints between EIFS insulation with a water-resistant tape. B) wrapping the edges of the openings in the wall with a water-resistant tape. C) wrapping the joints between EIFS insulation with EIFS mesh. D) wrapping the terminal edges of EIFS insulation with EIFS mesh.
Si se diseña un cable de instrumentación o alarma contra incendios con un sistema apantallado, ¿qué debe hacerse para que el cable de drenaje resulte efectivo?
a. Conectar a tierra sólo un extremo. b. Cubrirlo con cinta en ambos extremos. c. Terminarlo en un conductor neutro. d. Energizarlo.
Si la corriente en un circuito es de 30 amperios y la resistencia es de 8 ohmios, el voltaje aplicado es de _____ voltios.
a. 3 b. 24 c. 80 d. 240