When a control circuit is constructed, it must have sensing devices to tell it what to do.
Answer the following statement true (T) or false (F)
True
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What is the maximum safe amount of refrigerant for a recovery cylinder with a water capacity of 50 lb, holding a refrigerant with a specific gravity of 0.9?
A) 50 lb × 0.9 = 45 lb B) 50 lb × 0.8 × 0.9 = 36 lb C) 50 lb × 0.8 = 40 lb D) 50 lb
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A device that uses electromagnetic induction to transfer electrical energy from one circuit to another is a(n) _____.
a. coil b. inductor c. transformer d. capacitor
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Why are dogs and cats the most popular companion animals?
What will be an ideal response?
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92% of milk produced in the United States is what grade?
A) B B) C C) A D) F
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