NEIEP 600 exams Questions and Answers 2024

NEIEP 600 exams Questions and Answers 2024 when a cam or vane is moved close to a magnetic levleing switch what occurs? - Answer-the switch changes its satate what is meant by the normal state of relay contacts? -Answer-contact state without current applied to the coil what type of wave form is generated by two pole ac generator in one complete revolution? -Answer-one full AC cycle what defines the the period of a ac waveform ? -Answer-the time it takes to complete one full cycle . what is the period of a 120 hz -Answer-.00833 seconds a sine wave beginning at 0 degrees will reach positive and negative peaks at what two points ? -Answer-90 and 270 degrees what is it meant by the term peak to peak voltage ? -Answer-voltage between positive and negative peaks the expression 0.636Xpeak voltage best describes what? -Answer-voltage or current average what best describes the term AC effective voltage ? -Answer-the AC voltage required to produce the same power as a DC voltage what is the peak voltage of a waveform with 480 VAC RMS? -Answer-679 volts what effect an inductor has on current flow ? -Answer-it opposes change what is the secondary voltage of a 5 to 1 step down transformormer whith a primary voltage of 125 volts -Answer-25 volts the primary of a 5 to 1 step down transformer has 1 amp . what is the secondary current? -Answer-5 amps how can three phase voltage be stepped down using transformer ? -Answer-by using a three phase transformer or three single phase transformers in capacitors , what is the purpose of the dielectric ? -Answer-prevent acring within the capacitor which of the following is true about capacitors in ac CUIRCUITS .? -Answer-current leads voltage all the time what describes a capacitor's ability to store an electrical charge -Answer-capacitance what is the time constant for a circuit with 150 k ohms and 2 microfarad capacitor? - Answer-.3 seconds