ELEVATOR MECHANIC EXAM 2025
NEWEST QUESTIONS AND DETAILED
CORRECT ANSWERS | A+ GRADE
VERIFIED ANSWERS
What is Selective Collective System? Correct Answer
Controller that allows an elevator to bypass calls in the
opposite direction of travel.
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
If a XOR gate was connected to a NOR gate and attached
to an AND gate with a High output. What is input of the
XOR gate A&B? Correct Answer Both must be High
Using BINARY logic, what DIP switches must be on for a
128 bit 30 second timer set at 150% Correct Answer
1,3,4,6=45 seconds
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
What does a square with a darkened upper triangle
represent? Correct Answer DC Relay
darkened lower triangle=Latching Relay
arrow=Timer
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
Car is running normally, but the Fire Service buzzer will
not shut off, Why? Correct Answer EHP 3-2 shorted
Relay STR has voltage, TRU has voltage, RU no voltage,
why? Correct Answer TRU 9/8 open
2nd floor PI lights then quickly shuts off, why? Correct
Answer X1 4-6
Car will not travel to 2 without a 3 call, and will not go
down to 3 without a 2 call? Correct Answer 2F1 4-6
Sheet 3, why wont the motor start? Correct Answer MOL1
T/B
,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
You get a trouble call for an inoperable freight door. What
must you do before you begin work? Correct Answer
Block open the door. LOTO. Barricades
You get shocked when attempting to move a car with a
temp run bug, what is the problem? Correct Answer
Ground wire not hooked up
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
7-foot platform with inside cab clearance of 6'8", what is
the thickness of the cab walls? Correct Answer 2-inch-
thick walls
You notice Roughing on the Gov and Tail Sheave. What
should you check? Correct Answer Rope Diameter
Car doors are dragging in the sill, how high should the car
doors be above the sill? Correct Answer ¼ inch
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 type of oil is required for sleeve bearings? Correct
Answer Single viscosity SAE 20
What is the maximum inclination for moving walks?
Correct Answer 12 degrees
How does a GFI work? Correct Answer Detects an
imbalance between Hot and Neutral Wires
Who is required to provide MSDS or SDS for a solvent you
are using? Correct Answer Your employer
How do emergency doors swing? Correct Answer
Outwards
You have an EMT run with 3-90s, 2-45s, and a saddle
bend. What is required? Correct Answer An Intermediate
pull box. 360 degrees is most bends for a continuous pipe
What is the maximum distance between vertical race way
supports? Correct Answer 15 feet
What is the smallest wire used inside travelers and outside
of travelers? Correct Answer #20awg
#24awg
What is the maximum distance between strain relief
supports? Correct Answer 100 feet
NEWEST QUESTIONS AND DETAILED
CORRECT ANSWERS | A+ GRADE
VERIFIED ANSWERS
What is Selective Collective System? Correct Answer
Controller that allows an elevator to bypass calls in the
opposite direction of travel.
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
If a XOR gate was connected to a NOR gate and attached
to an AND gate with a High output. What is input of the
XOR gate A&B? Correct Answer Both must be High
Using BINARY logic, what DIP switches must be on for a
128 bit 30 second timer set at 150% Correct Answer
1,3,4,6=45 seconds
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
What does a square with a darkened upper triangle
represent? Correct Answer DC Relay
darkened lower triangle=Latching Relay
arrow=Timer
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
Car is running normally, but the Fire Service buzzer will
not shut off, Why? Correct Answer EHP 3-2 shorted
Relay STR has voltage, TRU has voltage, RU no voltage,
why? Correct Answer TRU 9/8 open
2nd floor PI lights then quickly shuts off, why? Correct
Answer X1 4-6
Car will not travel to 2 without a 3 call, and will not go
down to 3 without a 2 call? Correct Answer 2F1 4-6
Sheet 3, why wont the motor start? Correct Answer MOL1
T/B
,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
You get a trouble call for an inoperable freight door. What
must you do before you begin work? Correct Answer
Block open the door. LOTO. Barricades
You get shocked when attempting to move a car with a
temp run bug, what is the problem? Correct Answer
Ground wire not hooked up
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
7-foot platform with inside cab clearance of 6'8", what is
the thickness of the cab walls? Correct Answer 2-inch-
thick walls
You notice Roughing on the Gov and Tail Sheave. What
should you check? Correct Answer Rope Diameter
Car doors are dragging in the sill, how high should the car
doors be above the sill? Correct Answer ¼ inch
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 type of oil is required for sleeve bearings? Correct
Answer Single viscosity SAE 20
What is the maximum inclination for moving walks?
Correct Answer 12 degrees
How does a GFI work? Correct Answer Detects an
imbalance between Hot and Neutral Wires
Who is required to provide MSDS or SDS for a solvent you
are using? Correct Answer Your employer
How do emergency doors swing? Correct Answer
Outwards
You have an EMT run with 3-90s, 2-45s, and a saddle
bend. What is required? Correct Answer An Intermediate
pull box. 360 degrees is most bends for a continuous pipe
What is the maximum distance between vertical race way
supports? Correct Answer 15 feet
What is the smallest wire used inside travelers and outside
of travelers? Correct Answer #20awg
#24awg
What is the maximum distance between strain relief
supports? Correct Answer 100 feet
