Numerical control is a method of controlling a machine tool using ____.
A. coded computer language
B. variable speeds
C. keyboard input
D. voice commands
E. none of the above
Answer: A
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Which of the following is true concerning the starting current of an induction motor at the moment the circuit is energized?
a. The current rises rapidly. b. The current rises slowly. c. The current decreases rapidly. d. The current decreases slowly.
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Using the bulb table below, which bulb is brightest?
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If two angles of a triangle are equal to two angles of another triangle, the triangles are congruent.
Answer the following statement true (T) or false (F)
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The frequency of the ac utility voltage is 60 Hz. What is the period?
What will be an ideal response?
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