HVAC Excellence Electricity Exam Practice Test & Study Guide 2025

HVAC Excellence - ELECTRICITY Exam NEWEST 2025-
2026 COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS)|ALREADY GRADED
A+||BRAND NEW VERSION!!




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