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NEIEP 800 Final Review: Comprehensive Elevator and Escalator Knowledge, Exams of Engineering

Thomas Edison State University (TESU)Engineering

A comprehensive review of the neiep 800 final exam, covering a wide range of topics related to elevator and escalator systems. It includes detailed explanations and verified answers to various questions, making it a valuable resource for individuals preparing for the neiep 800 final exam or seeking to expand their knowledge in the field of vertical transportation. Essential concepts such as system pressure calculations, moving walk layout and measurements, corrosion types, wire rope requirements, motor control systems, safety features, and much more. With its thorough coverage and practical insights, this document can serve as a study guide, lecture notes, or a reference material for university students, professionals, and lifelong learners interested in the elevator and escalator industry.

Typology: Exams

2023/2024

Available from 08/21/2024

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NEIEP 800 Final Review | 100% Correct
Answers | Verified | Latest 2024 Version
The total weight of your elevator (force) is 8100 lbs. and its plunger area is 50 square inches. What is the
system pressure? - ✔✔162 psi
Refer to the NEIEP Moving Walk Final Layout. What is the correct wellway-to-wellway distance? -
✔✔134' 11"
Electrolysis is caused by which of the following? - ✔✔Stray current corrosion and Galvanic corrosion
BOTH ARE CORRECT
When using wire rope, the diameter of the sheaves must be how many times the diameter of the
suspension ropes? - ✔✔30
Wye-Delta starting is used for which of the following? - ✔✔Reduced current starting
You need the area of the plunger to calculate the pressure of the hydraulic system. Your plunger is 8
inches in diameter. What is it's area? - ✔✔50.27 square inches
Which of the following provides mechanical interlocking of contactors? - ✔✔Interlock contacts
As the certified welder on the job you must weld two cylinder pieces. How must you join the two pieces?
- ✔✔Tack welds then a fill bead
Once a plunger joint has been completed, what steps should be followed to prevent damage to the
packing? - ✔✔Sand with emery cloth
Under which of the following conditions will the buzzer (BZT) sound? - ✔✔When the handrail speed is
15% below step speed.
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Download NEIEP 800 Final Review: Comprehensive Elevator and Escalator Knowledge and more Exams Engineering in PDF only on Docsity!

NEIEP 800 Final Review | 100% Correct

Answers | Verified | Latest 2024 Version

The total weight of your elevator (force) is 8100 lbs. and its plunger area is 50 square inches. What is the system pressure? - ✔✔162 psi Refer to the NEIEP Moving Walk Final Layout. What is the correct wellway-to-wellway distance? - ✔✔134' 11" Electrolysis is caused by which of the following? - ✔✔Stray current corrosion and Galvanic corrosion BOTH ARE CORRECT When using wire rope, the diameter of the sheaves must be how many times the diameter of the suspension ropes? - ✔✔ 30 Wye-Delta starting is used for which of the following? - ✔✔Reduced current starting You need the area of the plunger to calculate the pressure of the hydraulic system. Your plunger is 8 inches in diameter. What is it's area? - ✔✔50.27 square inches Which of the following provides mechanical interlocking of contactors? - ✔✔Interlock contacts As the certified welder on the job you must weld two cylinder pieces. How must you join the two pieces?

  • ✔✔Tack welds then a fill bead Once a plunger joint has been completed, what steps should be followed to prevent damage to the packing? - ✔✔Sand with emery cloth Under which of the following conditions will the buzzer (BZT) sound? - ✔✔When the handrail speed is 15% below step speed.

Refer to the NEIEP Escalator Final Layout diagram. What is the total distance from the first floor finished floor height and the second floor finished floor height? - ✔✔13' 6" Refer to the NEIEP Escalator Final Layout diagram. What is the correct measurement to align the truss in the center of the wellway? - ✔✔7' 6 1/2" What is the function of the lower newel wheel on a moving walk with solid balustrades? - ✔✔It acts as an idler Which of the following will determine the leveling speed of an elevator? - ✔✔Rate of flow in gpm Which of the following best describes the rack and pinion drive motor brake? - ✔✔It is spring set and electrically released Car door switches in LULA elevators are required to operate no more than how many inches from full closed? - - ✔✔2" What is the maximum rated capacity of an inclined platform lift? - ✔✔750 Ibs.. Refer to the NEIEP Moving Walk Straight-Line Diagram. If both inspection switches (INSP sw.) are in the downward position, how will that affect the operation of the walkway? - ✔✔The walkway would not run. Refer to Table 2. What is the capacity of a non-fixed 5X 3%" beam that spans 9 feet and weighs 14.75 Ibs. per linear foot? - ✔✔2000 lbs Why is it important to only operate line starters with their covers in the proper location? - ✔✔To prevent flashover between contacts What is the maximum speed in ft/min. of a residential elevator?. - ✔✔40 ft/min.

ASME code permits a scavenger pump or which of the following to collect oil leaked from the gland packing? - ✔✔5 gallon container What are the most common types of drive units for stairway chairlifts? - ✔✔Winding drum and rack & pinion Approximately how many gallons are required to raise a 9" plunger 30 feet? - ✔✔99.1 gallons Which of the following practices should be followed when initially lifting a load? - ✔✔Lift the load a few inches, then recheck all rigging. What must be done to prevent hoist car run away prior to removing the motor assembly from the gear box on counter weighted hoists? - ✔✔The cage must be tied down What component of a permanent installation hoist may help prevent over speeding of the car during manual release of the motor brake? - ✔✔Centrifugal brake How is the right or left side of a stairway determined? - ✔✔Standing at the bottom and looking up. What type of pump system delivers constant volume at all pressures? - ✔✔Positive displacement gear pump What best describes the pinion of the governor safety device? - ✔✔It free wheels until the hoist exceeds tripping speed in the down direction What is the maximum allowable rated load for a LULA elevator? - ✔✔1,400 Ibs. Layout. What is the correct distance to the center of wellway from the column line? - ✔✔17' 6 3/4" The platen plate connects which two hydraulic elevator components together? - ✔✔Plunger and bolster assembly

Submersible pump units are always designed by which of the following methods? - ✔✔Direct coupled motor and pump What is the maximum angle of inclination allowable for a moving walk? - ✔✔12 degrees You are performing an acceptance test and must document the working pressure. What must be done to record this pressure? - ✔✔Run the elevator up with full load Which of the following is the minimum rated load for both a one- and a two-seat chairlift, respectively? - ✔✔250lb, 400lb If a jack or cylinder floats in the jack hole, what step may be needed to overcome this? - ✔✔Add oil to the cylinder According to code, what is the highest degree angle stairway onto which a chairlift can be installed? - ✔✔ 45 With the elevator at rest, what is the condition of the UP valve? - ✔✔Open A flexible oil line was installed to reduce the pump unit vibration felt in the elevator. What is a requirement of this elevator system? - ✔✔Replace flex line at 6-year intervals What is the purpose of a stop ring on a hydraulic elevator? - ✔✔To prevent the plunger from leaving the cylinder In a situation where a standard pit is provided for a LULA elevator and when no hoistway enclosure is provided at the lower level, how high of an enclosure must be around the pit? - ✔✔84 inches Which precaution should you take before entering the step/treadway band of an escalator or moving walk? - ✔✔Lock out and tag out the mainline disconnect.