Elevator Mechanic Exam Prep Elevator Mechanic Exam Prep Page 1 of 25
Elevator Mechanic Exam Prep
12 Floor Building with three cars, 3 floors will not get PI's. How many PI's in total do you need to
order for this job? - ANSWER ✔ 12 Floors x 3 Elevators= 36 PI's - (3 from 3 floors)9 =27
a 75 Ohm resistor has blow and you don't have a replacement, What can you use? - ANSWER ✔
3 - 225 Ohm resistors in parallel or 3 - 25 Ohm in series
A car keeps blowing a 3(Amp) fuse at the same point in the hoist way, What is the problem? -
ANSWER ✔ Exposed traveling Cable
A class C fire extinguisher can put out what type of fires?
136 Pg 22 - ANSWER ✔ Electrical equipment including motors and switches
A fire needs thee elements to burn
What are they?
136 Pg 4 - ANSWER ✔ Fuel, Oxygen, Heat
A mechanic has a car that weighs 7000 Lbs. with a capacity load of 3500 Lbs. The counter
weight balance is 40%, What does the counterweight weigh?
204 Pg 14 - ANSWER ✔ Counterweights typically are hung to counter balance the weight of the
car plus 40% of capicity load.
3500 (Capacity) x 40 ÷ 100 = 1400 Lbs
Elevator Mechanic Exam Prep Elevator Mechanic Exam Prep.pdf Page 1 of 25
,Elevator Mechanic Exam Prep Elevator Mechanic Exam Prep Page 2 of 25
1400 (40 % of capcity) + 7000 (Car Weight) = 8400Lbs.
A newly modernized car has a noticeable vibration, The application engineer has asked you to
determine the frequency (HZ) of your 24" drive sheave. (Roped 1:1 with a contract speed of 500
Fpm.) What is the frequency? - ANSWER ✔ 500fpm/3.1416=159.15
Convert size of sheave 24" to ft=2'
159.15/2=79.58
79.58/60 hz=1.33 hz
A team is installing a 200Fpm. car with spring buffers. What is the minimum stroke?
215 Pg 4 Figure 5 - ANSWER ✔ 4" inches
100 or less 1½
101 to 150 2½
151 to 200 4
Area of a plunger
815 Pg 15 - ANSWER ✔ (Pi) 3.1416 x (R)radius ²(squared)
Plunger diameter is 10"
So you divide ÷ by 2 = 5
3.1416 x 5² (25)= 78.54 inches
As a mechanic, you are sent to install an escalator.
What point of reference would you use to square the unit?
Elevator Mechanic Exam Prep Elevator Mechanic Exam Prep.pdf Page 2 of 25
, Elevator Mechanic Exam Prep Elevator Mechanic Exam Prep Page 3 of 25
825 Pg 5 - ANSWER ✔ Column Line
Category 1 Oil Buffer test, How many seconds should it take for the buffer to fully come back.
215 Pg 10 - ANSWER ✔ 90 seconds no load slow speed
Does a residential lift require an Escape Hatch
845 Pg 6 - ANSWER ✔ An Escape Hatch is not necessary UNLESS manual operation is not
provided!
During Hydraulic pit maintenance, what are the three major hazards? - ANSWER ✔ Oil, Tripping
and electricity
Encoder Waveform
Question : You get a Sawtooth reading on oscilloscope out of encoder. Is it good?
350 Pg 16,17 630 Pg 18,19 - ANSWER ✔ A perfect Encoder Wave Form will have a square wave.
A Sawtooth Wave Form is produced when the rise and fall of the Encoder has a fault,
Escalator is 10 inches too low, what was wrong?
825 Pg 12 - ANSWER ✔ Incorrect column mark
Escalator Step Level Switch
Elevator Mechanic Exam Prep Elevator Mechanic Exam Prep.pdf Page 3 of 25
Elevator Mechanic Exam Prep
12 Floor Building with three cars, 3 floors will not get PI's. How many PI's in total do you need to
order for this job? - ANSWER ✔ 12 Floors x 3 Elevators= 36 PI's - (3 from 3 floors)9 =27
a 75 Ohm resistor has blow and you don't have a replacement, What can you use? - ANSWER ✔
3 - 225 Ohm resistors in parallel or 3 - 25 Ohm in series
A car keeps blowing a 3(Amp) fuse at the same point in the hoist way, What is the problem? -
ANSWER ✔ Exposed traveling Cable
A class C fire extinguisher can put out what type of fires?
136 Pg 22 - ANSWER ✔ Electrical equipment including motors and switches
A fire needs thee elements to burn
What are they?
136 Pg 4 - ANSWER ✔ Fuel, Oxygen, Heat
A mechanic has a car that weighs 7000 Lbs. with a capacity load of 3500 Lbs. The counter
weight balance is 40%, What does the counterweight weigh?
204 Pg 14 - ANSWER ✔ Counterweights typically are hung to counter balance the weight of the
car plus 40% of capicity load.
3500 (Capacity) x 40 ÷ 100 = 1400 Lbs
Elevator Mechanic Exam Prep Elevator Mechanic Exam Prep.pdf Page 1 of 25
,Elevator Mechanic Exam Prep Elevator Mechanic Exam Prep Page 2 of 25
1400 (40 % of capcity) + 7000 (Car Weight) = 8400Lbs.
A newly modernized car has a noticeable vibration, The application engineer has asked you to
determine the frequency (HZ) of your 24" drive sheave. (Roped 1:1 with a contract speed of 500
Fpm.) What is the frequency? - ANSWER ✔ 500fpm/3.1416=159.15
Convert size of sheave 24" to ft=2'
159.15/2=79.58
79.58/60 hz=1.33 hz
A team is installing a 200Fpm. car with spring buffers. What is the minimum stroke?
215 Pg 4 Figure 5 - ANSWER ✔ 4" inches
100 or less 1½
101 to 150 2½
151 to 200 4
Area of a plunger
815 Pg 15 - ANSWER ✔ (Pi) 3.1416 x (R)radius ²(squared)
Plunger diameter is 10"
So you divide ÷ by 2 = 5
3.1416 x 5² (25)= 78.54 inches
As a mechanic, you are sent to install an escalator.
What point of reference would you use to square the unit?
Elevator Mechanic Exam Prep Elevator Mechanic Exam Prep.pdf Page 2 of 25
, Elevator Mechanic Exam Prep Elevator Mechanic Exam Prep Page 3 of 25
825 Pg 5 - ANSWER ✔ Column Line
Category 1 Oil Buffer test, How many seconds should it take for the buffer to fully come back.
215 Pg 10 - ANSWER ✔ 90 seconds no load slow speed
Does a residential lift require an Escape Hatch
845 Pg 6 - ANSWER ✔ An Escape Hatch is not necessary UNLESS manual operation is not
provided!
During Hydraulic pit maintenance, what are the three major hazards? - ANSWER ✔ Oil, Tripping
and electricity
Encoder Waveform
Question : You get a Sawtooth reading on oscilloscope out of encoder. Is it good?
350 Pg 16,17 630 Pg 18,19 - ANSWER ✔ A perfect Encoder Wave Form will have a square wave.
A Sawtooth Wave Form is produced when the rise and fall of the Encoder has a fault,
Escalator is 10 inches too low, what was wrong?
825 Pg 12 - ANSWER ✔ Incorrect column mark
Escalator Step Level Switch
Elevator Mechanic Exam Prep Elevator Mechanic Exam Prep.pdf Page 3 of 25
