A pig exposing its belly is _____
a. being submissive
b. feeling content with the situation
c. showing loyalty
d. reinforcing its dominance
D
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Technician A says that magnetic lines of force can be seen by placing iron filings on a piece of paper and then holding them over a magnet. Technician B says that the effects of magnetic lines of force can be seen using a compass. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Part winding starting is another method of increasing the starting current of squirrel-cage induction motors.
Answer the following statement true (T) or false (F)
Heat is our perception of atomic vibrations within a material. Our means of expressing the intensity of these vibrations is called ____.
a. harmonics b. temperature c. cellular reaction d. tuning
A current magnetic relay opens and closes its contacts based on the ____.
A. current in the start winding B. voltage across the start winding C. voltage across the run winding D. current in the run winding