Si se usa correctamente una envoltura, los dos bordes que se superponen deben estar:

a. adyacentes.
b. alineados.
c. perpendiculares.
d. en un leve ángulo.


Answer: B

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What technology combines oxygen from the air with hydrogen to produce electricity?

What will be an ideal response?

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In general, a system that is undercharged will have:

A) A high subcooling and a low superheat. B) A high subcooling and a high superheat. C) A low subcooling and a high superheat. D) A low subcooling and a low superheat.

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Many manufacturers are now incorporating recycled content into their roofing products, particularly ____.

A. metal and plastic B. rubber and fiber C. metal and fiber D. metal and rubber

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A) Areas where vapor retarders are required by the IRC B) Areas which require a Grade 2 Insulation Installation C) Areas in which the IECC requires air sealing and insulation during construction D) Areas which require placement of an energy recovery ventilator

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