Neiep Study guides, Class notes & Summaries

In capacitors, what is the purpose of the dielectric? - ANSWER-Prevent arcing within the capacitor Which of the following is true about capacitors in AC circuits? - ANSWER-Current leads voltage all the time What describes a capacitor s ability to store an electrical charge? - ANSWER-Capacitance which of the following statements is correct about polarized electrolytic capacitors? - ANSWER-Voltage polarity must be correct What is the time constant for a circuit with 150k ohms and 2 mic...

NEIEP 300 2023 Exam Questions and Correct Answers How should ammeters be used to take measurements in a circuit - ANSWER Connected in series with the circuit What will happen to the current in a circuit if the resistance is doubled - ANSWER Current will be halved How do you measure voltage in a circuit - ANSWER Meter must be parallel with volt being measured What is the outermost shell of an atom called - ANSWER Valence shell The Nucleus of...

NEIEP 400 Final Exam Version 2 (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Grade A Q: What is the result of connecting an ammeter to the terminals of a power supply or other voltage source? Answer: The meter will be damaged. Q: What is correct regarding the transformer? Answer: applied voltage on the primary leads current by 90 degrees Q: What does two solid lines between two coils represent in a transformer?- Answer: Iron core transform...

NEIEP 600 Final VERIFIED 100% SOLUTIONS 2023//2024 WITH DIAGRAM ILLUSTRATIONS Zener current will decrease Refer to figure 1. If the load resistance R2 is reduced by half what happens what happens to zener diode? 4v Refer to figure 1. The zener diode is designed to breakdown at 6VDC what is the voltage drop across R1 with a constant DC supply of 10VDC 30 rpm An elevators motor rotates at 1200 rpm at contract speed and is geard at a ratio of 40:1. If the motor turns 40 rpm the...

NEIEP 600 Final Exam Version 1(Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Grade A Q: photodiode Answer: light Q: 15 bulbs,15amp breaker,14gauge,120volts Answer: 12.5A Q: 10,15,20 henries Answer: 4.61 henries Q: led symbol Answer: Q: testing transistors Answer: 7v drop collector-to-emitter=good junction Q: SCR symbol Answer: Q: 500 microfarad,10K ohm,125VDC Answer: 25secs Q...

NEIEP 600 Final Exam Version 2 (Latest 2024 / 2025 Update) Questions and Verified Answers | 100% Correct | Grade A Q: What is the time constant for a circuit with 150 K ohms and 2 microfarad capacitor? (TC = R x C) Answer: 0.3 seconds Q: How long will it take for this capacitor to be considered fully charged? Answer: 1.5 seconds Q: The voltage required to cause conduction across the junction in a germa- nium diode is? Answer: 0.3 Q: A 1.5 volt 8 milliamp light emitting diode needs to be operated...

Mechanics Exam NEIEP Questions and Answers 20232024 (Verified Answers by Expert)

NEIEP 400 Final Exam Version 1 (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Grade A Q: What is the power available from a 68 kVA transformer connected in open delta configuration ? Answer: 39.44 kVA Q: The secondary winding of an 11,000 volt to 220 volt transformer has 50 windings on the secondary How many turns are on the primary winding ? Answer: 2500 turns Q: A transformer has 728 turns on the primary winding and 56 turns on the secondary ...

NEIEP 500 Final Exam Version 2 (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Grade A Q: Proper adjustment of which of the following can reduce the effects of building compression on an elevator installation? Answer: Rail jack bolts Q: When installing passenger hoistway entrances in a rise of more than three floors without a running platform, which procedure should you follow? Answer: Build a template that you can use to measure off the door frame ...

NEIEP 215 / 220 / 225 Multi Unit Exam 2023