For an electrical device to operate, it must have __________
A) A relay to transfer the current to the device B) Power and a ground
C) A ground and a fusible link D) A switch and a fuse
B
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? is equivalent to:
A. ?0.0125 B. ?0.125 C. ?1.25 D. ?12.5
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A chemical process initiated by the absorption of light is known as what type of reaction?
A. redux B. photochemical C. galvanic D. oxidation
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List the common types of defrost for commercial refrigeration evaporators
What will be an ideal response?
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List two commonly used HCFC refrigerants.
What will be an ideal response?
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