Elevator Mechanic Exam Review Questions And Answers Rated A+ 2024/25.
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Course
Elevator Mechanic
Institution
Elevator Mechanic
Elevator Mechanic Exam Review Questions And Answers Rated A+ 2024/25.
If rigging gear is roped 3:1 and a BEAM CLAMP is used to lift a 6,000lb load. What is the beam capacity? - correct answer. 18,000lbs. Beam capacity is cut in half with use of clamp, when rigging all blocks, rope,...
Elevator Mechanic Exam Review Questions
And Answers Rated A+ 2024/25.
If rigging gear is roped 3:1 and a BEAM CLAMP is used to lift a 6,000lb load. What is
the beam capacity? - correct 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? - correct
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? - correct answer. Oil on the drive chain
What is the effect when you change a sling angle from 60 degrees to 30 degrees? -
correct 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? - correct
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 - correct
answer. 11 wires. You do not need the duplicates
How must a 9 lead 480/240 motor be wired for High Voltage? - correct 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? - correct 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? - correct answer. Door limit switch malfunction
The step level switch on an escalator has been tripped, where do you check? - correct
answer. Upper and Lower Truss assemblies, trips if step sags more than 1/8th inch
A motor needs a sleeve bearing replaced, what type of bearing do you need? - correct
answer. Friction bearing AKA Sleeve bearing.
Anti-Friction Bearing AKA Ball bearing
What type of safeties are required on a 300fpm car? - correct answer. Type B
wedge clamp
What stopping devices are required on vertical platforms? - correct answer. 2 pan
switches. 15lbs max pressure
What are the most common features of Load Weigh? - correct answer. Control
generator field and Inside express operation
At what distance from closed does the gate switch operate? - correct answer. 2
inches
If the DC output of a 3 phase rectifier is lower than specified, what is the problem? -
correct answer. AC fuse is blown.
1 input phase is missing
What is the overlap minimum on 2 & 3 speed doors? - correct answer. Horizontal ½
inch Vertical 1 inch
What are minimum and maximum clearance between sill and car doors? - correct
answer. ¼ inch Minimum 3/8-inch Maximum
What is maximum leading edges for center opening doors? - correct answer. ½ inch
What is minimum sill to gib engagement? - correct answer. ¼ inch
What is minimum and maximum sill to sill gap? - correct answer. ½ inch to 1 ½ inch
1 gallon equals how many cubic feet? - correct answer. .134 cubic feet
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