The NEC® is divided into _____

a. 4 chapters
b. 9 chapters
c. 10 chapters
d. 11 chapters


b

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List (a) one advantage of a performance provision of the code over a prescriptive provision, and (b) one advantage of a prescriptive provision of the code over a performance provision.

What will be an ideal response?

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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)

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PROBLEM 3.43 A coder F, used to record in digital form the rotation of shaft A, is connected to the shaft by means of the gear train shown, which consists of four gears and three solid steel shafts each of diameter d. Two of the gears have a radius r and the other two a radius nr. If the rotation of the coder F is prevented, determine in terms of T, l, G, J, and n the angle through which end A rotates.

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Technician A says the surface preparation for waterborne paint is more critical than for solvent-borne paint. Technician B says that power blocking can increase productivity by 20 percent. Who is correct?

A. Technician A only B. Technician B only C. Both Technicians A and B D. Neither Technician A nor B

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