Elevator Mechanics Review Exam Questions
And Answers |Latest 2025 | Guaranteed Pass.
Car running up keep stopping why? - Answer✔Contact is not deenergizing in push button
Third-floor bulbs burn out why? - Answer✔Shorted resistor
Car will not travel to second floor without a third-floor me a call and will not go down from
three without a second-floor hall, what's the problem? - Answer✔2Fl 4/6
Why won't motor start? - Answer✔MOL1 95/96
Car doors closed and won't run what do you check? - Answer✔Check for voltage at four and
five
Bad Transistor
Top barricade can be replaced with? - Answer✔1/4" Cable
There is voltage at the switch but none at point a what's wrong? - Answer✔Either R1 or R2
open
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The door close limit switch is not working do you have power from 35 to term eight. No power
from 1 to 52 why? - Answer✔Door limit switch malfunction
Car running normally but the buzzer will not shut off why? - Answer✔EHP 2/3 shorted
Relay STR has voltage. TRU has voltage, RU has no voltage, why? - Answer✔TRU 9/8
Second floor PI illuminates then quickly extinguishes why? - Answer✔X1 4/6
On a machine, what is drilled out first? - Answer✔Secondary sheave
Dumb waiter takes off before loading why? - Answer✔Non interference
Car levels in 3 inches high in down direction why? - Answer✔Counterweight
In bi-parting doors what gap is allowed before gate switch is open? - Answer✔3/4"
Pressure switch is wired in what direction - Answer✔Down directional
What is the tripping speed of counterweight governor? - Answer✔No more than 10% higher
There is excessive sparking on generator why? - Answer✔High Micha
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How does interpoles affect the Armature? - Answer✔Reaction
What is the maximum door closing force? - Answer✔30 lbs and 7 lbs kinetic
What do you do before replacing a relay on a controller? - Answer✔LOTO, Test, and Verify
When are spring buffers used? - Answer✔Less than 200fpm
What are SCR's good for? - 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? - Answer✔75 ohm 200
watt adjustable resistor
Pump overload keeps tripping. How do you measure amperage? - Answer✔Clamp on meter
separately each wire
Customer complains about a third floor PI bulb burned out, why? - 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? - Answer✔27 PI's
10k ohm resistor with 500mF. How long will it take to charge capacitor? - Answer✔5 sec
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