Electric current that reverses direction at regular intervals is called:
A) Natural current (NC). B) Alternating current (AC).
C) Modulating current (MC). D) Direct current (DC).
B
You might also like to view...
____________________ are designed to open and close a circuit.
Fill in the blank(s) with the appropriate word(s).
A bin definition is not necessary for making a histogram.
Answer the following statement true (T) or false (F)
How is the condensate from the evaporator disposed of in a basement installation?
A) Condensate does not form on the coil when it is installed in a cool location. B) By using a condensate pump C) The air pressure in the system pushes the condensate up no more than 3 feet above the drain pan. D) The condensate drain can be plugged to prevent water from leaving, eliminating the need for a drain.
The footing is the base of the foundation system and is used to displace the building loads over the soil.
Answer the following statement true (T) or false (F)