Una regla general para la construcción cavidades en la viga maestra es que la cavidad debe ser, al menos, _______ más ancha que la viga maestra y la viga maestra debe tener, al menos, _______ de apoyo en el muro.

a. 2"; 4" (5; 10 cm)
b. 1"; 4" (2.5; 10 cm)
c. 2"; 5" (5; 12.7 cm)
d. 3"; 5" (7.6; 12.7 cm)


Answer: B

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