This basic electrical practice test is a short 10 questions and it’s designed to test your general knowledge of electrical theory concepts you’ll learn in class.
#1. Two equally valued resistors in series have a total resistance of which of the following:
None of the above is correct
#2. The most power lost in the form of heat would come from which of the following:
Resistance is correct
#3. In order to calculate watt hours, which of the following formulas must be used:
Amps/Volts is correct
#4. If a motor enclosure is designed to contain sparks or flashes that could ignite surrounding vapors or gases, then the enclosure is considered to be which of the following:
Ventilated is correct
#5. In order to change the rotation of a DC series motor, which of the following must be done:
F1 and F2 must be reversed is correct
#6. The sum of series voltage drops equals the applied voltage
False is correct
#7. A meter used to measure both AC and DC voltage and current is known as which of the following:
A multimeter is correct
#8. Inductance and capacitance are not considerations in a DC current for which of the following reasons:
DC supply carries power equally is correct
#9. During one complete rotation of 360 degrees, a three-phase 6-pole AC 34 kVA alternator on a Y- connected system will have how many cycles:
4 is correct
#10. Which of the following should be tested to check for voltage to ground?
From hot to neutral is correct
For a longer 50 question electrical theory test and an NEC practice exam try these electrical practice tests too.