Elevator Mechanic Exam Review Questions with Complete Solutions Graded A+
11 views 0 purchase
Course
Mechanics NEIEP
Institution
Mechanics NEIEP
If rigging gear is roped 3:1 and a BEAM CLAMP is used to lift a 6,000lb load. What is the beam capacity? - Answer: 18,000lbs. Beam capacity is cut in half with use of clamp, when rigging all blocks, rope, and clamps will be Equal to the lowest load rating
What are the consequences of misaligne...
Elevator Mechanic
Exam Review
Questions and
Complete Solutions
Graded A+
Denning [Date] [Course title]
, If rigging gear is roped 3:1 and a BEAM CLAMP is used to lift a 6,000lb load. What is the beam capacity? -
Answer: 18,000lbs. Beam capacity is cut in half with use of clamp, when rigging all blocks, rope, and
clamps will be Equal to the lowest load rating
What are the consequences of misaligned joints on a Rack and Pinion? - Answer: Broken Gear teeth.
CWT derailment. Excessive wear/ crease the surface of the tube
There is a noise coming from a freight door. The sheave is moving, but the chain is not. What is the
problem? - Answer: Oil on the drive chain
What is the effect when you change a sling angle from 60 degrees to 30 degrees? - Answer: More
tension, less capacity. Any angle 30 or less is dangerous
Generator runs at 600rpm and has 4 poles, what is the output frequency? - Answer: 20hz
600/60=10 10x2=20 RPM 60 x frequency / pole/2
How many wires are needed for the following circuit? Exclude spares.
BCE---SPI/BCD---SP2/BCD---SP4/BCD---UR1/BCE---UR2/BCE---DR1/CRE--- DR2/GRD - Answer: 11 wires.
You do not need the duplicates
How must a 9 lead 480/240 motor be wired for High Voltage? - Answer: L1(1) L2(2) L3(3) Low Voltage
L1(1-7) L2(2- 8) L3(3-9) 7-4 8-6 9-5 4 5 6 + 120v______0-------
0_______R2________A_________R1_______GRD
There is voltage at the switch, but none at A, what is wrong? - Answer: Open at R2 or R1
The close door limit switch is not working, you have power at points 35-8, no voltage at 1-S2 why? -
Answer: Door limit switch malfunction
The step level switch on an escalator has been tripped, where do you check? - Answer: Upper and
Lower Truss assemblies, trips if step sags more than 1/8th inch
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 YourExamplug. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.
