The greatest difference between relays and contactors is the fact that contactors are equipped with large contacts that are intended to connect high-current loads to the power line.
Answer the following statement true (T) or false (F)
True
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Resistances of 9 ??, 27 ?, 36 ?, and 60 ? are wired in series to a 1.5 amp supply. What voltage must the supply have?
Fill in the blank(s) with the appropriate word(s).
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Which of the following companion animals has the longest expected life span?
A. German Shepherd Dog B. Siamese cat C. Amazon Parrot D. Chinchilla E. Leopard Gecko
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Name the two classifications of poured-in-place concrete floor systems.
What will be an ideal response?
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For a low-temperature refrigeration system with an evaporator saturation temperature of -40°F, why might R-502 be used instead of R-12?
What will be an ideal response?
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