Doors can be classified by their construction as solid or ____.

a.hollow
b.ornate
c.paneled
d.layered


ANS: C

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When the heat of combustion is transmitted through a diesel engine block, the principle is known as:

A. conduction B. convection C. radiation D. evaporation

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____________________ syndrome is often associated with the issue of mold.

Fill in the blank(s) with the appropriate word(s).

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Cuando se monten en pared unas bandejas portacables, asegúrese de que:

a. la estructura del edificio es suficientemente fuerte para soportar el sistema de bandeja. b. también se utiliza soporte de trapecio. c. también se utiliza suspensión con varilla directa. d. solo se utiliza bandeja no metálica.

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A more accurate rating system for air-conditioning equipment that takes into consideration operation during the complete cycle is the ____ standard.

A. ARI B. ACCA C. SEER D. EER

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