All overload relays contain a set of normally ____________________ contacts.

Fill in the blank(s) with the appropriate word(s).


closed

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In alternating current, the electrons change direction every 1/120 of a second so that the electrode and work alternate from anode to ____________________.

Fill in the blank(s) with the appropriate word(s).

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Some natural resources are considered nonexhaustible. Others are renewable. What category does minerals fall into?

What will be an ideal response?

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Available furnace cabinet configurations include:

A) Small, medium, and large. B) Flame-resistant, flameproof, and explosionproof. C) Vertical, horizontal, side-by-side, over-under, and wall mount. D) Up-flow, down-flow, horizontal, lowboy, multiposition.

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The distance measurement called taping is also referred to as _____

a. pacing b. chaining c. triangulating d. scaling

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