Technician A says that a traction (AC synchronous) motor used in a hybrid electric vehicle is controlled by varying the voltage to the motor. Technician B says that the frequency of the current is controlled. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
C
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Individual moveable showcases can be connected by ____.
A. flexible cord to permanently installed receptacles B. permanent wiring (contained in a raceway) to a junction box C. rigid wiring to permanently installed receptacles D. flexible cord to a power strip
Which tool measures how much current a load is consuming?
What will be an ideal response?
What is the purpose of cooling tower fill material?
A) Increases the rigidity of the cooling tower structure B) Slows the falling water and increases the surface exposure for evaporation C) Provides a growing surface for algae and plants that help clean the water D) Filters out dirt and debris from the cooling tower water
Express 210 3/8 inches in feet and inches.
What will be an ideal response?