HVAC EXCELLENCE ACTUAL FINAL EXAM | WITH
COMPLETE QUESTIONS AND ANSWERS | 2025/2026
LATEST UPDATED | 100 % RATED AND VERIFIED
SOLUTIONS | GET AN A+
Current flow is: - (ANSWERS)The flow of electrons in the circuit.
Impedance is: - (ANSWERS)Opposition to alternating current flow.
Like charges; - (ANSWERS)repel each other.
Any material that will readily release electrons is called; - (ANSWERS)A
conductor
The symbol for current is; - (ANSWERS)I
Which of the following materials would be best suited for use as a semi-
conductor? - (ANSWERS)silicon
The safety ground conductor is usually color coded; - (ANSWERS)green or
bare.
An electron has; - (ANSWERS)a negative charge.
Resistance is: - (ANSWERS)Opposition to current flow.
How many watts of power are used by a heater operating at 240 volts and
drawing 5 amps? - (ANSWERS)1200 watts
Which of the following meters must use its internal power to check a load
or circuit? - (ANSWERS)Ohmmeter
, HVAC EXCELLENCE ACTUAL FINAL EXAM | WITH
COMPLETE QUESTIONS AND ANSWERS | 2025/2026
LATEST UPDATED | 100 % RATED AND VERIFIED
SOLUTIONS | GET AN A+
In electrical wiring, a black colored wire in an alternating current circuit
usually indicates; - (ANSWERS)the hot conductor.
Fuses are sized by: - (ANSWERS)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? -
(ANSWERS)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? - (ANSWERS)2880
Watts
Which of the following is generally considered to be within the maximum
allowable (plus or minus) supply voltage variation? - (ANSWERS)5%
Capacitors are rated in - (ANSWERS)Microfarads & Volts.
When testing a capacitor with an analog or digital ohmmeter, the meter
should; - (ANSWERS)measure low resistance then return to high reading.
What is the term used to describe the output side of a transformer? -
(ANSWERS)Secondary side.
One horsepower is equal to __________ watts. - (ANSWERS)746
How much resistance must be placed in a 120 volt circuit in order to limit
COMPLETE QUESTIONS AND ANSWERS | 2025/2026
LATEST UPDATED | 100 % RATED AND VERIFIED
SOLUTIONS | GET AN A+
Current flow is: - (ANSWERS)The flow of electrons in the circuit.
Impedance is: - (ANSWERS)Opposition to alternating current flow.
Like charges; - (ANSWERS)repel each other.
Any material that will readily release electrons is called; - (ANSWERS)A
conductor
The symbol for current is; - (ANSWERS)I
Which of the following materials would be best suited for use as a semi-
conductor? - (ANSWERS)silicon
The safety ground conductor is usually color coded; - (ANSWERS)green or
bare.
An electron has; - (ANSWERS)a negative charge.
Resistance is: - (ANSWERS)Opposition to current flow.
How many watts of power are used by a heater operating at 240 volts and
drawing 5 amps? - (ANSWERS)1200 watts
Which of the following meters must use its internal power to check a load
or circuit? - (ANSWERS)Ohmmeter
, HVAC EXCELLENCE ACTUAL FINAL EXAM | WITH
COMPLETE QUESTIONS AND ANSWERS | 2025/2026
LATEST UPDATED | 100 % RATED AND VERIFIED
SOLUTIONS | GET AN A+
In electrical wiring, a black colored wire in an alternating current circuit
usually indicates; - (ANSWERS)the hot conductor.
Fuses are sized by: - (ANSWERS)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? -
(ANSWERS)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? - (ANSWERS)2880
Watts
Which of the following is generally considered to be within the maximum
allowable (plus or minus) supply voltage variation? - (ANSWERS)5%
Capacitors are rated in - (ANSWERS)Microfarads & Volts.
When testing a capacitor with an analog or digital ohmmeter, the meter
should; - (ANSWERS)measure low resistance then return to high reading.
What is the term used to describe the output side of a transformer? -
(ANSWERS)Secondary side.
One horsepower is equal to __________ watts. - (ANSWERS)746
How much resistance must be placed in a 120 volt circuit in order to limit
