HVAC Excellence -
ELECTRICITY Exam
LATEST 2025-2026
WITH QUESTIONS
AND CORRECT
VERIFIED
ANSWERS GRADED
A+
,Which of the following meters must use its
internal power to check a load or circuit? -
ANSWER-Ohmmeter
Current flow is: - ANSWER-The flow of
electrons in the circuit.
Impedance is: - ANSWER-Opposition to
alternating current flow.
Like charges; - ANSWER-repel each other.
Any material that will readily release electrons
is called; - ANSWER-A conductor
The symbol for current is; - ANSWER-I
Which of the following materials would be best
suited for use as a semi-conductor? -
ANSWER-silicon
The safety ground conductor is usually color
coded; - ANSWER-green or bare.
An electron has; - ANSWER-a negative charge.
, Resistance is: - ANSWER-Opposition to current
flow.
How many watts of power are used by a heater
operating at 240 volts and drawing 5 amps? -
ANSWER-1200 watts
In electrical wiring, a black colored wire in an
alternating current circuit usually indicates; -
ANSWER-the hot conductor.
Fuses are sized by: - 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? -
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? - ANSWER-
2880 Watts
ELECTRICITY Exam
LATEST 2025-2026
WITH QUESTIONS
AND CORRECT
VERIFIED
ANSWERS GRADED
A+
,Which of the following meters must use its
internal power to check a load or circuit? -
ANSWER-Ohmmeter
Current flow is: - ANSWER-The flow of
electrons in the circuit.
Impedance is: - ANSWER-Opposition to
alternating current flow.
Like charges; - ANSWER-repel each other.
Any material that will readily release electrons
is called; - ANSWER-A conductor
The symbol for current is; - ANSWER-I
Which of the following materials would be best
suited for use as a semi-conductor? -
ANSWER-silicon
The safety ground conductor is usually color
coded; - ANSWER-green or bare.
An electron has; - ANSWER-a negative charge.
, Resistance is: - ANSWER-Opposition to current
flow.
How many watts of power are used by a heater
operating at 240 volts and drawing 5 amps? -
ANSWER-1200 watts
In electrical wiring, a black colored wire in an
alternating current circuit usually indicates; -
ANSWER-the hot conductor.
Fuses are sized by: - 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? -
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? - ANSWER-
2880 Watts
