Para evitar obstrucciones cuando se usa una bomba de concreto, se recomienda que el diámetro de la tubería que se usa sea de al menos _____ tamaño del mayor diámetro del agregado contenido en la mez- cla de concreto que se está bombeando.

a. el mismo
b. el doble del
c. el triple del
d. cuatro veces


Answer: C

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