The basic use for the contactor is for ____ in resistance heating elements, lighting, magnetic brakes, or heavy industrial solenoids.

a. switching of power
b. time delay
c. increasing impedance
d. regulating voltage


a. switching of power

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A _____ is defined as a round terra-cotta or fired clay insert that fits into the flue lining from the heating source acting as a sleeve in the chimney to receive the furnace or stove pipe.

A. flue ring B. thimble C. receptacle D. sock

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Programmed decisions are used primarily to deal with unique, one-of-a-kind situations

Indicate whether the statement is true or false.

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Capacity decisions must be made with great care for which of the following reasons?

a. too much capacity can result in underutilization of resources b. capacity impacts employee fringe benefits such as retirement options c. government agencies closely regulate organization’s capacities d. All of these are involved. e. None of these are involved.

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Current water policy discourages waste and encourages efficient use of water

Indicate whether the statement is true or false

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