(Electricity Fundamentals) EXAM
REVIEW QUESTIONSWITH CORRECT
SOLUTIONS UPDATED 2025/2026
SYLLABUS ALREADY GRADED!!100%
GUARANTEED PASS!!!<<BRAND
NEW VERSION>>
23.1.) If you suspected that a motor was about to go off on overload, which
electrical test device would you use to confirm this condition? - ANSWER ✓
ammeter
23.2.) Ohm's law describes the relationship between; voltage, current and
resistance. What are the units used to measure these electrical quantities? -
ANSWER ✓ amperes, volts, ohms
23.3.) The unit of electrical power is the watt. Electrical utilities base their rates on
kilo-watts-hours (kwh) of consumption. How many watts are there is a kilowatt? -
ANSWER ✓ 1000
23.4.) Which value expresses the power factor of an electrical system when its
voltage and current sine waves are said to be "in-phase with each other? -
ANSWER ✓ 1
23.5.) Which of the following best describes the relationship between current and
voltage as it relates to energy that is consumed by equipment in the refrigeration
plant or fan room? - ANSWER ✓ current lags the voltage
23.6.) In a three phase power source how many electrical degree separate the
individual sine-waves? - ANSWER ✓ 120 degrees