Single-phase power supplies always have a neutral wire.
Answer the following statement true (T) or false (F)
True
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Motor control circuits can be divided into two major categories, one of which is ____.
A. three-wire B. limit switching C. float switching D. deceleration
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A focal length of 15 mm produces a dramatic convergent ____ perspective.
A. telephoto B. viewfield C. macro D. wide-angle
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When cutting thin steel with oxyfuel cutting equipment, hold the torch so that the tip is pointing in the direction the torch is traveling at a _____ degree angle.
a. 10- to 12- b. 15- to 20- c. 21- to 25- d. 30- to 35-
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Which of the following terms is used to describe a one-piece piston?
A. crosshead B. articulating C. ceramic D. trunk
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