A(n) ____ is an electrical device by which alternating current of one voltage is changed to another voltage.

a. alternating
b. direct
c. transformer
d. electric


c. transformer

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What is used to retain friction bearings?

A. tangs B. spread C. thrust D. crush

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EMT is _____.

a. steel conduit coated with a black enamel b. conduit that is constructed of metal thick enough to permit the cutting of pipe threads at each end c. often referred to as thinwall conduit and too thin to be threaded d. conduit that has been given a thin coating of PVC

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Konica Minolta plans to sell a copier that prints documents on both sides simultaneously, cutting in half the time it takes to complete big commer­cial jobs. The faster copier is expected to increase profit by $2,500,000 per year, regardless of which of the following rollers the company uses in its copiers. The estimated costs associated with chem­ically treated vinyl rollers and fiber-impregnated rubber rollers are shown below. Determine which of the roller types should be selected on the basis of an ROR analysis assuming the company’s MARR is 25% per year.

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The datums shown in alphabetical order that appear in the feature control frame are not chosen for in any particular reason.

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

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