Los niveles de iluminación en los pasillos de áreas públicas de un edificio deben tener al menos:
a. el mismo nivel de iluminación que las áreas adyacentes.
b. el 20% del nivel de iluminación de las áreas adyacentes.
c. el 50% del nivel de iluminación de las áreas adyacentes.
d. el 75% del nivel de iluminación de las áreas adyacentes
b. el 20% del nivel de iluminación de las áreas adyacentes.
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What occurs after the pilot flame is proven on a gas furnace or boiler that uses spark ignition to light the pilot?
a. Sparking ceases. b. Burners light. c. Inducer starts. d. Flame is sensed.
Range is defined as:
a. the portion of the process controlled by the controller. b. the difference ? between the upper and lower range limits. c. is designed to reduce the difference between the set point and process variable by adjusting the controllers output continuously until the offset is eliminated d. enhances controller output by increasing the output in relationship to the changing process variable.
Generally, ungrounded (hot) conductors can be any color except ____.
A. yellow, red, or green with yellow stripes B. red, yellow, or gray C. white, gray, or red D. white, gray, green, or, green with yellow stripe(s)
Technician A says that orange peel will not affect the finish’s depth of reflection. Technician B says that swirl marks are a defect and should be removed, not covered. Who is correct?
A. Technician A only B. Technician B only C. Both Technicians A and B D. Neither Technician A nor B