NEIEP- Mechanics Exam, Comprehensive Questions with Answers 100% Solved 2023 Update

1. A contractor wants to raise the car speed from 100 fpm to 125 fpm, it currently has a 12" sheave. What is required? ANSWER-100 fpm/125 fpm= 12"/ X =15 2. A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or resistance. What should you do? ANSWER-Replace it with a larger MOV – 630 3. On a Ward-Leonard circuit the brake is set, but the motor is trying to slip through the brake. What is the issue? ANSWER-Suicide Circuit – 425 4. You have an old DC motor and are adding an SCR drive, what do you do to the interpoles? ANSWER-Leave the interpoles alone. When adding a SCR drive to the generator, the series loop is removed, as are the 3 resistors. Everything else remains the same 5. A hydro runs up with no load but will not run with a full load. What is the issue? ANSWER-The relief valve is set too low - 815