HVAC Excellence - ELECTRICITY EXAM ACTUAL EXAM
ALL QUESTIONS and CORRECT ANSWERS LATEST
UPDATE THIS YEAR
QUESTION: What is the term used to describe the output side of a transformer? - ANSWER-
Secondary side.
QUESTION: One horsepower is equal to __________ watts. - ANSWER-746
QUESTION: How much resistance must be placed in a 120 volt circuit in order to limit the
current to 2 amps? - ANSWER-60 Ohms
QUESTION: A parallel circuit contains a 18 ohm and a 9 ohm resistor. The total resistance
equals; - ANSWER-6 ohms.
QUESTION: In a series circuit, the voltage drop across each resistance (load) will. - ANSWER-add
up to equal the source voltage.
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QUESTION: The total resistance of a parallel circuit will be; - ANSWER-less than the smallest
resistance.
QUESTION: Which of the following statements about current is true? - ANSWER-Current flow
will increase when voltage increases.
QUESTION: When resistors are wired in parallel; - ANSWER-the voltage drop across each
resistor will be the same as the applied source
QUESTION: Which of the following is equal to 2.1KW? - ANSWER-2,100 Watts
QUESTION: Which of the following is equal to 100 milliamps? - ANSWER-0.10 amperes
QUESTION: A capacitor analyzer is designed to read; - ANSWER-the capacitive resistance of a
capacitor.
Current flow is: - ANSWER-The flow of electrons in the circuit.
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QUESTION: Impedance is: - ANSWER-Opposition to alternating current flow.
QUESTION: Like charges; - ANSWER-repel each other.
QUESTION: Any material that will readily release electrons is called; - ANSWER-A conductor
QUESTION: The symbol for current is; - ANSWER-I
QUESTION: Which of the following materials would be best suited for use as a semi-conductor?
- ANSWER-silicon
QUESTION: The safety ground conductor is usually color coded; - ANSWER-green or bare.
QUESTION: An electron has; - ANSWER-a negative charge.
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