A transformer uses this electrical principle to increase or reduce voltage with no moving parts or contacts
A) Resistance B) Electromotive force
C) Induction D) Capacitance
C
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? Identify and state the historical significance of John J. Pershing.
What will be an ideal response?
Plants, animals, and other organisms are classified according to characteristics they have in common
Indicate whether the statement is true or false
Technician A says that incandescent lights may be used when working around gasoline. Technician B says that florescent lights should be used when working around gasoline. Which technician is correct?
A) Technician A B) Technician B C) Both technicians D) Neither technician
How can a technician check to see if the coil and condensing unit on an AC split system are matched?
A) Check to see that both pieces are manufactured by the same company B) The refrigerant line stub out sizes should be the same C) The first two digits of the equipment model number should be the same D) Call the equipment supplier and provide the system model numbers