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HVAC EXCELLENCE - ELECTRICITY
EXAM 2026 QUESTIONS AND
ANSWERS | A+ GRADED | WITH
EXPERT SOLUTIONS
Current flow is: - correct answer-The flow of electrons in the
circuit.
Impedance is: - correct answer-Opposition to alternating current
flow.
Like charges; - correct answer-repel each other.
Any material that will readily release electrons is called; - correct
answer-A conductor
The symbol for current is; - correct answer-I
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Which of the following materials would be best suited for use as a
semi-conductor? - correct answer-silicon
The safety ground conductor is usually color coded; - correct
answer-green or bare.
An electron has; - correct answer-a negative charge.
Resistance is: - correct answer-Opposition to current flow.
How many watts of power are used by a heater operating at 240
volts and drawing 5 amps? - correct answer-1200 watts
Which of the following meters must use its internal power to check
a load or circuit? - correct answer-Ohmmeter
In electrical wiring, a black colored wire in an alternating current
circuit usually indicates; - correct answer-the hot conductor.
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Fuses are sized by: - correct answer-Volts & Amps
What would be the result, if a 24 volt, 20-ohm low voltage conta
ctor coil were wired in series with a 24 volt, 200-ohm control relay
coil? - correct answer-Only the control relay would operate.
Three defrost heaters, each 15 ohms are wired in parallel to a 120
volt power supply. How many watts of power will be used? -
correct answer-2880 Watts
Which of the following is generally considered to be within the
maximum allowable (plus or minus) supply voltage variation? -
correct answer-5%
Capacitors are rated in - correct answer-Microfarads & Volts.
HVAC EXCELLENCE - ELECTRICITY
EXAM 2026 QUESTIONS AND
ANSWERS | A+ GRADED | WITH
EXPERT SOLUTIONS
Current flow is: - correct answer-The flow of electrons in the
circuit.
Impedance is: - correct answer-Opposition to alternating current
flow.
Like charges; - correct answer-repel each other.
Any material that will readily release electrons is called; - correct
answer-A conductor
The symbol for current is; - correct answer-I
, Page | 2
Which of the following materials would be best suited for use as a
semi-conductor? - correct answer-silicon
The safety ground conductor is usually color coded; - correct
answer-green or bare.
An electron has; - correct answer-a negative charge.
Resistance is: - correct answer-Opposition to current flow.
How many watts of power are used by a heater operating at 240
volts and drawing 5 amps? - correct answer-1200 watts
Which of the following meters must use its internal power to check
a load or circuit? - correct answer-Ohmmeter
In electrical wiring, a black colored wire in an alternating current
circuit usually indicates; - correct answer-the hot conductor.
, Page | 3
Fuses are sized by: - correct answer-Volts & Amps
What would be the result, if a 24 volt, 20-ohm low voltage conta
ctor coil were wired in series with a 24 volt, 200-ohm control relay
coil? - correct answer-Only the control relay would operate.
Three defrost heaters, each 15 ohms are wired in parallel to a 120
volt power supply. How many watts of power will be used? -
correct answer-2880 Watts
Which of the following is generally considered to be within the
maximum allowable (plus or minus) supply voltage variation? -
correct answer-5%
Capacitors are rated in - correct answer-Microfarads & Volts.
