No-voltage drop-out or two-wire control circuit should indicate a possible ____ to the electrician, because a mechanically held closed pilot device could automatically restart the load motor when the power is restored.
a. safety concern
b. power restart
c. magnetic charge
d. controlled condition
a. safety concern
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Plates lined with friction material are called ________.
A) Friction disc B) Simply frictions C) Friction plates D) Any of the above
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Chillers can be classified as:
A) Natural-draft or induced-draft. B) Fire tube or water tube. C) Flooded or direct expansion. D) Hyperbaric or hypobaric.
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Sheet metal thickness generally ranges between .03 in. (0.75 mm) and .5 in. (12 mm).
Answer the following statement true (T) or false (F)
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If more than one symbol is located immediately adjacent to another, it usually means that a multigang box for multiple wiring devices and ____ are to be installed.
What will be an ideal response?
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