Describe two ways in which electrical energy is converted into other forms in the automobile.
What will be an ideal response?
Electrical energy is converted into mechanical energy when the battery powers the starter motor, which cranks the engine when starting. Electrical energy is converted into radiant energy in light bulbs. When electricity flows through a light bulb, the bulb filament gets hot and radiates light.
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____________________ uses a ferromagnetic envelope attached to a pipeline or vessel, and electrical current flow through the envelope produces the heat.
Fill in the blank(s) with the appropriate word(s).
Sketch the symbol for a square butt weld.
What will be an ideal response?
? Identify and state the historical significance of Hurricane Katrina.
What will be an ideal response?
Concrete footings are placed on ____ to reduce the chance of the soil compacting under them.
A. unexcavated earth B. excavated earth C. topsoil D. boulders