Exam (elaborations)
Mechanics Exam NEIEP 2024 Questions and Answers (Verified Answers by Expert)
- Course
- Elevator Mechanic
- Institution
- Liberty University
Mechanics Exam NEIEP 2024 Questions and Answers (Verified Answers by Expert)
[Show more]
2 reviews
By: anthonyp • 2 weeks ago
not happy. my mech review class gave me this for free
By: mkmurphy1011 • 3 months ago
Content preview
NEIEP Mechanics Exam1. ** An MOV burns out, you replace it but cannot read voltage or
resistance. What should you do?: Replace it with a larger one (630)
2. * On a Ward-Leonard circuit, the brake is set but the motor is trying to
slip through the brake. What circuit is the issue?: Suicide circuit (425)
3. ** A Hydro runs up with no load but does not run up with a full load.
What is the issue?: The relief valve is set too low (805)
4.** Runby for a 1:1 car hits the CWT buffer 4" below the top landing. The
CWT runby should be set at 18". How much should the ropes be
shortened?: 22" for 1:1.
For a 2:1 with the same issue is 44".
5. ** You need to work on a freight door retiring cam. You LOTO the
mainline disconnect but there is still power to the cam. What circuit is still
hot?: Main- line disconnect (535)
6. ** The contractor requests that the vertical center of the Rack and Pinion
hoist be moved. How is this accomplished?: Adjust Tie downs/Wall ties
,(805)
7. ** Working pressure on a Hydro is 400 PSI. What is the correct Relief
Valve Setting?: 600 PSI Max. (805)
400 psi x 150% = 600 psi
8. ** A contractor wants to raise the car speed from 100 FPM to 125 FPM.
It currently has a 12" sheave. What size sheave is required?: 15"
(125 /100 = 1.25 1.25 x 12 = 15)
9. ** There is slight arcing at the Brushes and Commutator. What
actions must be taken?: None. (430)
"Heavy arcing is due to light brush pressure. Mechanical wear
indicates heavy brush pressure.
10.** How much resistance is normally measured across a normally
closed switch ?: 1.2 ohms or 1 to 2 ohms
11.** A car traveling in the hoistway always stops at the same point
and blows a fuse. What is the problem?: Traveling cable has a cut or
short
12.** How is a Class 1 (yearly) buffer test performed?: At slow speed and
the buffer must return in 90 seconds. (555) *(60 seconds is
, acceptable) (90 seconds is code)
5 year test (Class 5) is car at rated load and speed. Buffer must
return in 90 seconds. CWT at rated speed and buffer must return
in 90 seconds.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller TIPSCORE. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
71184 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now