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Elevator Mechanic Exam Review/ 216 Qs with Definitive Ans/ . A contractor wants to raise the car speed from 100fpm to 125fpm, it currently has a 12" sheave. What sheave is required? - Answer: Diam=12" 12/4=3" 25fpm=3" 100fpm + 25fpm= 12"+3"= 15" sheave 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 On a Ward-Leonard circuit the break is set, but the motor is t...

NEIEP 305/310/315/320 Multi-Unit Exam STUDY GUIDE, Q&A. A 13 ft. I-beam needs to be cut into 4 equal pieces for blocking beams. What should each beam measure? (Unit 305) - Answer: 3.25 ft. The plans for the installation of cab walls call for two different size panels. The large panels require 12 bolts and the small panels require 8 bolts. If each car has 6 large panels and 4 small panels, how many bolts will be needed? One amp is equal to 6,240,000,000,000,000,000 electrons per second...

NEIEP 100 Elevator Final Exam/ 160 Quizzes with Definitive Solutions Which of the following is a term used to describe a body harness used in conjunction with a shock absorbing lanyard? - Answer: Personal fall arrest system A mechanic is working on a construction job, and finds the carpenter using a powder activated tool to anchor wall track. Of the following, which precaution should the mechanic take? - Answer: Wear hearing protection Which is the best way to communicate with your cow...

NEIEP 800 Final Review Exam/ 55 Qs & Ans, Newly Updated. The total weight of your elevator (force) is 8100 lbs. and its plunger area is 50 square inches. What is the system pressure? - Answer: 162 psi Refer to the NEIEP Moving Walk Final Layout. What is the correct wellway-to-wellway distance? - Answer: 134' 11" Electrolysis is caused by which of the following? - Answer: Stray current corrosion and Galvanic corrosion BOTH ARE CORRECT Safety hooks are best described by which ...

NEIEP/ Questions with Certified Solutions (New) what increases strength of magnetic field? - Answer: increase current how is poutput of elementary generator electrically connected "? - Answer: slip rings and brushes A conductor is moving through magetic field, what is the result? - Answer: reduced emf what type of DC generator is shown - Answer: seperately excited compound after repairing dc motor how will starting resistance affect motor operation? - Answer: speed working ...

600 Final Review Neiep/ 51 Quizzes & Correct Answers Refer to figure 1. If the load resistance R2 is reduced by half what happens what happens to zener diode? Zener current will decrease 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 4v 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 sheave turns 1 rpm. What is the actual ...

NEIEP 400 Final Review/ Questions with Definitive Solutions. What material should be used for seating brushes? - Answer: Sandpaper Readings on the meter appear to be inaccurate, what should you do? - Answer: Test meter A machine that converts mechanical energy into electrical energy - Answer: Generator What material is used as insulation between the commutator and the armature shaft? - Answer: Mica On the resistance scale of a digital meter, what does the lazy 8 symbol signify? - A...

NEIEP 400 Final Review/ 78 Questions with Certified Solutions What material should be used for seating brushes? - Answer: Sandpaper Readings on the meter appear to be inaccurate, what should you do? - Answer: Test meter A machine that converts mechanical energy into electrical energy - Answer: Generator 0.790 MΩ indicates? - Answer: 790 kΩ AC voltage on a voltmeter is always indicated as? - Answer: RMS 0 on voltmeter when testing a known power source indicates? - Answer: In...

NEIEP 200 Final Review/ 73 Questions with Certified Answers. Which lay of wire rope has the strand wires in line with the rope axis? - Answer: Regular Lay At what speed should the counterweight safeties be set to trip? - Answer: Up to 10% higher than the car governor Which type of safety uses an oil buffer between the car and safety planks? - Answer: Type C If the compensating sheave diameter is smaller than the distance between the car and counterweight compensating rope hitches, the...

815, 845, 840, NEIEP 800 Final/ 920 Quizzes & Ans/ Complete Study Guide. If a hydraulic elevator will not run down, what is the first thing you should try? - Answer: See if it will run down by opening the manual lowering valve When calculating hydraulic system pressure, the force is expressed in pounds and the area of the plunger is measured in square inches. How is the pressure expressed? - Answer: In pounds per square inch What is the name of the scientific principle that allows a hydr...