HVAC EXCELLENCE ELECTRICITY Exam
(New 2026/ 2027 Update) Questions &
Answers {Grade A} 100% Correct (Verified
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
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.
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.
When testing a capacitor with an analog or digital ohmmeter, the meter should; -
Correct answer measure low resistance then return to high reading.
What is the term used to describe the output side of a transformer? - Correct answer
Secondary side.
(New 2026/ 2027 Update) Questions &
Answers {Grade A} 100% Correct (Verified
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
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.
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.
When testing a capacitor with an analog or digital ohmmeter, the meter should; -
Correct answer measure low resistance then return to high reading.
What is the term used to describe the output side of a transformer? - Correct answer
Secondary side.
