¿Cuáles de estos dos tipos de conductos tienen el mismo diámetro exterior en los tamaños de 2-1/2 pulgadas (6.35 cm) o superiores?

a. Todos tienen diámetros internos diferentes.
b. EMT y RMC
c. RMC e IMC
d. EMT e IMC


b. EMT y RMC

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A quick test that can be made to determine if an installation is good is known as a(n) _____.

a. adequacy test b. maintenance test c. insulation resistance test d. go/no-go test

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What is an open delta system?

What will be an ideal response?

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Computer analysis. The columns and girder of the indeterminate rigid frame in Figure P5.57a are fabricated from a W18 × 130 wide flange steel section: A = 38.2 in. 2 and I = 2460 in. 4 . The frame is to be designed for a uniform load of 4 kips/ft and a lateral wind load of 6 kips; use E = 29,000 kips/in. 2 . The weight of the girder is included in the 4 kips/ft uniform load. (a) Compute the reactions, plot the deflected shape, and draw the shear and moment curves for the columns and girder, using the computer program. (b) To avoid ponding* of rainwater on the roof, the girder is to be fabricated with a camber equal to the deflection at midspan of the roof girder produced by the uniform load. Determine the camber Figure P5.57.

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An open electrical circuit has zero ohms resistance

Indicate whether the statement is true or false

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