A shock risk assessment should identify _____.
a. exposed energized components only
b. the arc flash boundary
c. both exposed and concealed components that would be exposed when a boundary or barrier is bypassed
d. the estimated time of arc flash exposure
c. both exposed and concealed components that would be exposed when a boundary or barrier is bypassed
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All of these are important convenience factors EXCEPT _______
A) Payment methods B) Hours of operation C) Location D) Size of parking lot
________ light can be used inside a duct system to kill mold, fungus, bacteria, and other living contaminants
A) Ultraviolet B) Infrared C) Solar D) Incandescent
Which of the following is considered a voltage rise?
a. A resistor b. A diode c. A motor d. The source
Heat exchangers used in steam systems are usually _____
a. water-to-steam b. steam-to-air c. steam-to-water d. steam-to-steam