When pulsating currents are connected to a three-phase four-wire system, triplen harmonic frequencies disrupt the normal phasor relationship of the phase currents and can cause the phase currents to add in the neutral conductor.
Answer the following statement true (T) or false (F)
True
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These gears have their teeth cut at an angle that allows more than one tooth to be in contact, and they carry more load and are quieter than equally sized spur gears.
a. bevel gear b. helical gear c. spur gear d. worm gear
If the diode in a half-wave rectifier shorts, the ________
A) output ripple would be very small B) output voltage would be zero C) output voltage would not change D) output voltage would equal the transformer secondary voltage
Under what circumstances would you replace the webbing of a seat belt with a new assembly?
What will be an ideal response?
A periodic signal x(t) with a fundamental period of 2 seconds is described over one period by 
Plot the signal and find its CTFS description. Then plot on the same scale approximations to the signal 
given by 
forN = 1,2 and 3. (In each case the time scale of the plot should cover at least two periods of the original signal.)
What will be an ideal response?