Si es necesario añadir un segundo electrodo de tierra, el espacio mínimo de separación entre los dos electrodos debe ser de_______.
a. 12' (3,65 m)
b. 10' (3,04 m)
c. 8' (2,43 m)
d. 6' (1,83 m)
d. 6' (1,83 m)
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Which of the following sources of water have the shortest average residence time?
A) groundwater B) oceans and ice caps C) clouds D) soil moisture
To provide color, fire resistance, and ultraviolet protection, composition shingles are coated with _____
a. mineral granules b. an epoxy layer c. asbestos fibers d. thermoplastic resin
Technician A says that one reason OEMs have eliminated the initial (break-in) lube drain on a new or rebuilt differential carrier is improved machining precision of current geartrain components. Technician B says that because synthetic gear lubes have superior ability to suspend abrasive contaminants, OEMs no longer require a break-lube change. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B