What are some applications of DC motors?
What will be an ideal response?
DC motors are used in applications where variable speed and strong torque are required. They are used for cranes and hoists when loads must be started slowly and accelerated quickly. DC motors are also used in printing presses, steel mills, pipe forming mills, and many other industrial applications where speed control is important.
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Which of the following cattle breeds is not British?
a. Angus c. Shorthorn b. Hereford d. Charolais
Determine the minimum green times for each approach in Problem 8-11 if the effective crosswalk width in each direction is 8 ft and the number of pedestrians crossing during an interval is 30 in the E-W direction and 25 in the N-S direction.
What will be an ideal response?
Price scanners and keyboards are examples of
a. information processors. b. expert systems. c. input devices. d. output devices. e. storage media.
Why was there such strong popular domestic political support initially for Senator Joseph McCarthy's anticommunist crusade in the early 1950s?
What will be an ideal response?