ELEVATOR MECHANICS EXAM
2024/2025 ACTUAL EXAM QUESTIONS
AND DETAILED CORRECT ANSWERS
(VERIFIED ANSWERS) | A+ GRADE
What are SCR's good for? Correct Answer They are
quieter and make less vibration then motor generator set
You have a 200 ohm resistor at 200 Watts what do you
replace it with? Correct Answer 75 ohm 200 watt
adjustable resistor
Pump overload keeps tripping. How do you measure
amperage? Correct Answer Clamp on meter separately
each wire
Customer complains about a third floor PI bulb burned out,
why? Correct Answer Shorted resistor
There are three elevators, 12 floors, customer does not
want PI's on second, seventh, and eighth floor. How many
total PI 's? Correct Answer 27 PI's
10k ohm resistor with 500mF. How long will it take to
charge capacitor? Correct Answer 5 sec
,What do you do before running a Hydro after car is built?
Correct Answer Check piston for debris and make sure
head is tight
How to tell which side is right or left hand doors? Correct
Answer Inside looking out
If you get a complaint that all floors make noise, what
should you check? Correct Answer Car doors
What is the issue if you add power to a generator but the
motor doesn't gain any more speed? Correct Answer
Generator is saturated
If a handrail switch is tripped and you reset it but the
escalator immediately turns back on, what's the problem?
Correct Answer Start switch is stuck in the on position
How many Crosbys do you use on half inch rope Correct
Answer 3
What do U grooves need? Correct Answer Double wrap
What do you hold machine beams down with? Correct
Answer Tie downs
When working on a PC board, what must you do? Correct
Answer Grounded wristband
What is the boom out signal? Correct Answer Arms out,
thumbs out
, If there is high screeching, what should you check?
Correct Answer SCR drive
What do you install first on a running platform? Correct
Answer Governor
You have 52 traveling cables terminating in the controller
how many total wires do you need? Correct Answer 58
If rigging a motor into overhead, what type of rigging to
prevent it from spinning? Correct Answer Tagline, hoisting
jack
To run a freight car bi-parting doors must be? Correct
Answer Closed and locked
Lula clearance per code? Correct Answer 3/4"
A circuit that has permitted the elevator bypass up calls as
the elevator travels down and vice versa? Correct Answer
Selective collective control
How many millimeters in 1 inch? Correct Answer 25.4
What drawings are for physical components? Correct
Answer Final layout
Relieve pressure on a Hydro? Correct Answer 150% of
working pressure
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