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NEIEP 400 Final Review/ 78 Questions with Certified Solutions

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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 What is the purpose of interpoles in a motor? - Answer: Helps prevent neutral planes from shifting In the basic loop circuit generator armature supplies DC power to what DC elevator hoist motor component? - Answer: Motor Armature If you have leakage resistance to ground, what will you use to test? - Answer: Megger What kind of device would you use to measure current without disconnecting wiring? - Answer: Clamp on ammeter What is the synchronous speed of 3 phase, 60 Hz, 6 pole motor? - Answer: 1200 RPM Before attempting to measure resistance in an unknown resistor in a circuit, what must be done? - Answer: Isolate from one side What is the method used to resolve residual magnetism to an exitor? - Answer: Flashing the field What is the inherent current limiter present for a rotating motor armature called? - Answer: CEMF In order to protect internal circuits, how is the 10 amp input jack on a digital multimeter usually protected? - Answer: Fused What is the field protective relay in series with? - Answer: Motor shunt field What material is used as insulation between the commutator and the armature shaft? - Answer: Mica What elements make up commutator film? - Answer: Copper oxide film, graphite film, free graphite particles and waters vapor components

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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 plumb lead of the compensating rope from the
compensating sheave should be from the - Answer: Counterweight


The location of the governor tension sheave is determined... - Answer: from the final layout
drawing



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, The finished pit floor is normally poured to the - Answer: lower web of the buffer channel


The ASME safety code requires oil buffers for elevators when traveling at a car speed of -
Answer: Over 200 FPM


How are the ends of rails made so they may be joined together? - Answer: The ends have a
tongue and groove


What is the main link between the hoistway walls or building structural steel and the rails? -
Answer: Rail brackets


Where are spreaders used? - Answer: B/w brackets on counterweight rails


Which is the best fire extinguisher to cover all types of fires in the machine room? - Answer:
ABC


You are responsible for storing 64 standard 15 lb. T-rails on one of the floors of a high rise
building. What is the total weight it will put on the floor where it will be stored? - Answer:
15,360 lbs.


You are on a T-rail job and have been told to stagger them. Which of the following should be
done? - Answer: One side of the installed T-rail job has the groove up, while the other side has
the tongue up.


If the distance b/w the face of two T-rails brackets (DBB) is 8' 11" what is the back-to-back guide
(BBG) distance? - Answer: 8-10 1/2"


What is the most important piece of equipment you have when using a power saw? - Answer:
Safety Glasses




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