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NEIEP 700 Final Exam V1 Questions and Correct Answers Graded Highest 100% A++ $8.59   Add to cart

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NEIEP 700 Final Exam V1 Questions and Correct Answers Graded Highest 100% A++

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10k ohm resistor - CORRECT ANSWER -Safely discharges electrical energy from a capacitor AC elevator brakes - CORRECT ANSWER -Early brakes inferior to DC brakes AC relays hum or chatter - CORRECT ANSWER -Due to AC cycle reversal American Society of Mechanical Engineers - CORRECT ANSWER -Reg...

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  • August 16, 2024
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Eddiestudy
NEIEP 700 Final Exam V1 Questions and Correct

Answers Graded Highest 100% A++

10k ohm resistor - CORRECT ANSWER ✔✔ -Safely discharges electrical energy from a

capacitor


AC elevator brakes - CORRECT ANSWER ✔✔ -Early brakes inferior to DC brakes


AC relays hum or chatter - CORRECT ANSWER ✔✔ -Due to AC cycle reversal


American Society of Mechanical Engineers - CORRECT ANSWER ✔✔ -Regulatory body for

US elevator operations


Blown AC fuse - CORRECT ANSWER ✔✔ -Causes decrease in DC voltage in rectifier


Broken tape switch - CORRECT ANSWER ✔✔ -Not commonly used on hydraulic elevators


Bull rope - CORRECT ANSWER ✔✔ -Endless looped rope powering early elevators


Capacitor - CORRECT ANSWER ✔✔ -Stores and discharges electrical energy


Capacitor failure - CORRECT ANSWER ✔✔ -Commonly due to dielectric shorting


Check valve - CORRECT ANSWER ✔✔ -Prevents hydraulic elevator piston from descending


Collapsing field - CORRECT ANSWER ✔✔ -Creates short delay time when connected across a

coil


Contact wipe - CORRECT ANSWER ✔✔ -Rubbing motion to keep relay contacts clean

, Dashpot overload - CORRECT ANSWER ✔✔ -Overload with coil, plunger, and silicon fluid

reservoir


Dashpots - CORRECT ANSWER ✔✔ -Timers using oil flow for tripping time control


DC generators - CORRECT ANSWER ✔✔ -Different from motors, turned by an external source


Digital meter advantage - CORRECT ANSWER ✔✔ -Automatic range selection over analog

meters


Diode - CORRECT ANSWER ✔✔ -Allows current flow in one direction


Direction selection - CORRECT ANSWER ✔✔ -Determines elevator movement based on

contacts and position


Door reversal - CORRECT ANSWER ✔✔ -Achieved by pressing buttons or interrupting sensors


Double wound coils - CORRECT ANSWER ✔✔ -Two coils wrapped in opposite directions


Duplex system - CORRECT ANSWER ✔✔ -Two elevators using one set of hall push buttons


Electrical interlock - CORRECT ANSWER ✔✔ -Prevents multiple relays from energizing

simultaneously


Elevator logic sequence - CORRECT ANSWER ✔✔ -Similar across systems, differing in

input/output functions


Exciter - CORRECT ANSWER ✔✔ -Regulated power supply producing almost pure DC


Exciters - CORRECT ANSWER ✔✔ -Self-excited generators with shunt and series fields

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