Switches and relays are classified according to their poles and throws. The number of ____ is the number of independent and simultaneous electrical paths through the switch.
a. poles
b. throws
c. contacts
d. wires
a. poles
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A sure sign of contact failure is discoloration on the contact surfaces.
Answer the following statement true (T) or false (F)
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Animal products have both positive and negative effects on the consumer
Indicate whether the statement is true or false
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Where is evaporative cooling the most effective?
What will be an ideal response?
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Commercial air conditioning refers to air-conditioning applications in:
A) Food and product storage. B) Automobiles and trucks. C) Private homes and apartments. D) Retail stores and office buildings.
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