Find the speed of the rotating field of a six-pole, three-phase motor connected to
(a) a 60-Hz line and
(b) a 50-Hz line, in revolutions per minute and radians per second.
Analysis:
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____ lines represent an imaginary cut through the object. They are used to expose the details of internal parts that would not be shown clearly with hidden lines.
A. Section B. Cutting plane C. Break D. Phantom
Technician Asays a diamond frame condition affects vehicle directional stability. Technician B says a diamond frame condition causes the wheelbase to be unequal on the two sides of the vehicle. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
Any exposed live parts must be guarded if they are operating at _____.
a. 15V or more between terminals b. 50V or more between terminals c. 240V or more between terminals d. 600V or more between terminals
79.06 รท 7.4 =
A) 10.68 B) 11.69 C) 10.69 D) 11.68