What type of electrical device is a relay?

A) A load B) A control
C) A combination load and control D) A relay is not an electrical device.

C

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In which division of the MasterFormat® is electronic safety covered?

a. Division 24 b. Division 25 c. Division 26 d. Division 28

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There are two systems of measurement used in the North American construction industry: the traditional English units and metric units.

Answer the following statement true (T) or false (F)

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Find the circumference of a circle with a diameter of 12 inches

A. 37.68" B. 12.21" C. 24.12" D. 36.14"

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Low-reluctance materials are called ____.

A. magnets B. electromagnets C. magnetic shields D. magnetic fields

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