HVAC EXCELLENCE ELECTRICITY EXAM ENGINEERING
TECHNOLOGY COURSE 2026/2027 | COMPLETE MASTER
REVIEW | GRADED A+ | 100% CORRECT | VERIFIED STUDY
SET FOR GUARANTEED SUCCESS | HIGH-YIELD
ELECTRICAL THEORY, TROUBLESHOOTING & TECHNICAL
SKILLS FOR EXCELLENCE
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.
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
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.
One horsepower is equal to __________ watts. - CORRECT ANSWER - 746
TECHNOLOGY COURSE 2026/2027 | COMPLETE MASTER
REVIEW | GRADED A+ | 100% CORRECT | VERIFIED STUDY
SET FOR GUARANTEED SUCCESS | HIGH-YIELD
ELECTRICAL THEORY, TROUBLESHOOTING & TECHNICAL
SKILLS FOR EXCELLENCE
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.
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
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.
One horsepower is equal to __________ watts. - CORRECT ANSWER - 746
