Ncc Practice Test 1 Questions And Answers

One type of nonsinusoidal waveform is the ___ {Ans: peak wave}What is the lighting load on a 120V circuit for six 100W incandescent lights and four fluorescent fixtures with a ballast rating of 1.5A, all operating continuously for 8 hours per day? {Ans: 13.75A}What is the current flow in a purely resistive AC circuit if the resistance is 15 ohms and the voltage is 150V? {Ans: 10A}What is the total ampacity for a 120V branch circuit consisting of four duplex receptacles rated noncontinuous duty and six duplex receptacles rated continuous duty? {Ans: 17.25A}The load for 10' of multi-outlet assembly used to supply several loads simultaneously is ___ {Ans: 1800VA}According to the power triangle, the apparent power is __ {Ans: greater than the true power}