HVAC ELECTRIC TEST EXAM QUESTIONS AND ANSWERS
HVAC ELECTRIC TEST EXAM QUESTIONS AND ANSWERS How much resistance must be placed in a 120 volt circuit in order to limit the current to 2 amps? - ANS When current flow in a tow wire circuit (such as 120 volts), if a clamp on amp meter is clamped around both wires, what measurement would you expect? - ANS Current flow is - ANS Which of the following is the symbol for impedance in AC circuit? - ANS Impedance is - ANS If contacts become badly pitted, it is acceptable to - ANS Relays are generally used to control inductive loads up to _______ amps - ANS When resistors are wired in parallel - ANS Contactors are rated according to the maximum amperage through the - ANS The ____ drawing illustrates where the components are located in small appliances. - ANS When the temperature of a positive temper
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