Elevator Mechanic Exam 2025 | Questions with Correct
Answers | Updated | Guaranteed A+
/. A contractor wants to raise the car speed from 100fpm to 125fpm, it currently has a
12" sheave. What sheave is required? - Answer-✅Diam=12" 12/4=3" 25fpm=3" 100fpm
+ 25fpm= 12"+3"= 15" sheave
/.A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or
resistance. What should you do? - Answer-✅Replace it with a larger MOV
/.On a Ward-Leonard circuit the break is set, but the motor is trying to slip through the
break. What is the issue? - Answer-✅Suicide Circuit
/.You have an old DC motor and are adding an SCR drive, what do you do to the
interpoles? - Answer-✅Leave the interpoles alone. When adding a SCR drive to the
generator, the series loop is removed, as are the 3 resistors. Everything else remains
the same
/.A hydro runs up with no load, but will not run with a full load. What is the issue? -
Answer-✅The relief valve is set too low
/.Runby for a 1:1 hits the CWT buffer 4" below the top landing. CWT runby should be
set at 18". How much should the ropes be shortened? - Answer-✅22"
/.You need to work on a freight door retiring cam, you LOTO the main line but there is
still power on the cam. What circuit is still hot? - Answer-✅Door Operator Disconnect/
Main Line Disconnect
/.The contractor requests that the vertical center of a Rack and Pinion hoist be moved.
How do you do this? - Answer-✅Adjust Tie Downs and Wall Ties
/.Working pressure on a Hydro is 400psi. What is the maximum relief valve setting? -
Answer-✅400psi x 150%= 600psi
/.What must be installed on a false car before operation? - Answer-✅Spring Loaded
Safeties.
,/.There is slight arcing between the brush and commutator. What action must be taken?
- Answer-✅None.
Heavy arcing=Light brush pressure. Heavy bush pressure=mechanical wear
/.If rigging gear is roped 3:1 and a BEAM CLAMP is used to lift a 6,000lb load. What is
the beam capacity? - 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
/.How much resistance is measured over a normally closed switch? - Answer-
✅1.2ohms. should be zero, but will never be that low
/.A car traveling in the hoistway always stops at the same spot and blows a fuse. What
causes this? - Answer-✅Traveling cable has a cut/exposed wire or a short
/.How is a class 1 yearly buffer test preformed? - Answer-✅Car at bottom landing and
on inspection, jump out direction and final limits. With pit clear, run down to compress
buffers, buffers should fully extend within 90 seconds.
5yr: Full load Full speed
CWT: Full speed Empty
/.How many strain supports are required on a 350ft raceway? - Answer-✅4. 1 every
100ft
/.How is stainless steel drilled out? - Answer-✅Slow speed and constant pressure
/.What is the required amount of retainer clips for wedge shackles and what is the
spacing? - Answer-✅Minimum 2 clips. 1st at a maximum 4x the diameter of the rope
2nd at a maximum 8x the diameter above the 1st clip
/.A 300ohm resistor burns out, but you don't have another one. How can you make one?
- Answer-✅2 600ohm resistors in parallel is 300ohms. Resistance is half of highest
resistor in parallel circuit.
3 225ohm resistors in parallel is 75ohms.
/.When cutting laminated panels, which direction should the finish side face? - Answer-
✅Finish side facing the cutting edge of the tool. Blade will burr the backside
/.How do you cut a finished floor? - Answer-✅Cutting blade away from finished side
/.A 480vac stepdown 240vac transformer is connected to a 3 phase rectifier, what is the
output voltage? - Answer-✅320vac
3 phase full wave = 1.33x output voltage
/.A car is loaded with 125% and sinks, why? - Answer-✅Slipping through the break
, /.If you find a broken or missing barricade what should you do? - Answer-✅Write up a
formal inspection request
/.What are the consequences of misaligned joints on a Rack and Pinion? - Answer-
✅Broken Gear teeth. CWT derailment. Excessive wear/ crease the surface of the tube
/.A dumbwaiter is 9sqft in area, 4ft high, and capacity is 13.9lb/ft3. What is total
capacity? - Answer-✅9 x 4 x 13.9= 500lbs Max capacity
/.You must enter a pit with a toxic atmosphere, how do you proceed? - Answer-
✅Following proper OSHA procedure with proper training and PPE
/.When changing a 1:1 car rated at 600fpm and 2,000lb capacity to a 2:1, what are the
new ratings? - Answer-✅300fpm 4,000lbs capacity
Half the speed, Double the capacity
/.A vertical platform lift has a clearance of 1 inch. How much will it have to move to meet
code? - Answer-✅Move in ¼ inch. Code is ¾ inch
/.A car weighs 2500lbs with a capacity of 2500lbs, the CWT is weighted at 40%, how
much is the motor lifting when the car is fully loaded? - Answer-✅2500(car) +
1000(40%) 3500. 5000-3500=1500lbs lifted by the machine
/.How must Oxygen and Acetylene tanks be stored? - Answer-✅Vertically, 12 feet
apart, or on a cart with a ½ hour fire barrier between them
/.What is code for sill to sill distance? - Answer-✅Minimum ½ inch Maximum 1 ½ inches
/.When drilling a jack hole in sandy conditions what type of drill rig is required? -
Answer-✅Rotary or Auger bit. Rotary=Soft Percussion=Rocky Combo=Solid
/.A customer does not want an escape hatch on a residential elevator, under what
condition is this legal? - Answer-✅Manual operation must be provided
/.Your helper wired the down direction and final limit switches, now the car will only
travel up, what is the issue? - Answer-✅The down direction limit was wired incorrectly.
/.What are the effects of one rope sitting deeper in the sheave groove? - Answer-✅The
rope wears out and breaks faster
/.There is a noise coming from a freight door. The sheave is moving, but the chain is
not. What is the problem? - Answer-✅Oil on the drive chain
Answers | Updated | Guaranteed A+
/. A contractor wants to raise the car speed from 100fpm to 125fpm, it currently has a
12" sheave. What sheave is required? - Answer-✅Diam=12" 12/4=3" 25fpm=3" 100fpm
+ 25fpm= 12"+3"= 15" sheave
/.A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or
resistance. What should you do? - Answer-✅Replace it with a larger MOV
/.On a Ward-Leonard circuit the break is set, but the motor is trying to slip through the
break. What is the issue? - Answer-✅Suicide Circuit
/.You have an old DC motor and are adding an SCR drive, what do you do to the
interpoles? - Answer-✅Leave the interpoles alone. When adding a SCR drive to the
generator, the series loop is removed, as are the 3 resistors. Everything else remains
the same
/.A hydro runs up with no load, but will not run with a full load. What is the issue? -
Answer-✅The relief valve is set too low
/.Runby for a 1:1 hits the CWT buffer 4" below the top landing. CWT runby should be
set at 18". How much should the ropes be shortened? - Answer-✅22"
/.You need to work on a freight door retiring cam, you LOTO the main line but there is
still power on the cam. What circuit is still hot? - Answer-✅Door Operator Disconnect/
Main Line Disconnect
/.The contractor requests that the vertical center of a Rack and Pinion hoist be moved.
How do you do this? - Answer-✅Adjust Tie Downs and Wall Ties
/.Working pressure on a Hydro is 400psi. What is the maximum relief valve setting? -
Answer-✅400psi x 150%= 600psi
/.What must be installed on a false car before operation? - Answer-✅Spring Loaded
Safeties.
,/.There is slight arcing between the brush and commutator. What action must be taken?
- Answer-✅None.
Heavy arcing=Light brush pressure. Heavy bush pressure=mechanical wear
/.If rigging gear is roped 3:1 and a BEAM CLAMP is used to lift a 6,000lb load. What is
the beam capacity? - 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
/.How much resistance is measured over a normally closed switch? - Answer-
✅1.2ohms. should be zero, but will never be that low
/.A car traveling in the hoistway always stops at the same spot and blows a fuse. What
causes this? - Answer-✅Traveling cable has a cut/exposed wire or a short
/.How is a class 1 yearly buffer test preformed? - Answer-✅Car at bottom landing and
on inspection, jump out direction and final limits. With pit clear, run down to compress
buffers, buffers should fully extend within 90 seconds.
5yr: Full load Full speed
CWT: Full speed Empty
/.How many strain supports are required on a 350ft raceway? - Answer-✅4. 1 every
100ft
/.How is stainless steel drilled out? - Answer-✅Slow speed and constant pressure
/.What is the required amount of retainer clips for wedge shackles and what is the
spacing? - Answer-✅Minimum 2 clips. 1st at a maximum 4x the diameter of the rope
2nd at a maximum 8x the diameter above the 1st clip
/.A 300ohm resistor burns out, but you don't have another one. How can you make one?
- Answer-✅2 600ohm resistors in parallel is 300ohms. Resistance is half of highest
resistor in parallel circuit.
3 225ohm resistors in parallel is 75ohms.
/.When cutting laminated panels, which direction should the finish side face? - Answer-
✅Finish side facing the cutting edge of the tool. Blade will burr the backside
/.How do you cut a finished floor? - Answer-✅Cutting blade away from finished side
/.A 480vac stepdown 240vac transformer is connected to a 3 phase rectifier, what is the
output voltage? - Answer-✅320vac
3 phase full wave = 1.33x output voltage
/.A car is loaded with 125% and sinks, why? - Answer-✅Slipping through the break
, /.If you find a broken or missing barricade what should you do? - Answer-✅Write up a
formal inspection request
/.What are the consequences of misaligned joints on a Rack and Pinion? - Answer-
✅Broken Gear teeth. CWT derailment. Excessive wear/ crease the surface of the tube
/.A dumbwaiter is 9sqft in area, 4ft high, and capacity is 13.9lb/ft3. What is total
capacity? - Answer-✅9 x 4 x 13.9= 500lbs Max capacity
/.You must enter a pit with a toxic atmosphere, how do you proceed? - Answer-
✅Following proper OSHA procedure with proper training and PPE
/.When changing a 1:1 car rated at 600fpm and 2,000lb capacity to a 2:1, what are the
new ratings? - Answer-✅300fpm 4,000lbs capacity
Half the speed, Double the capacity
/.A vertical platform lift has a clearance of 1 inch. How much will it have to move to meet
code? - Answer-✅Move in ¼ inch. Code is ¾ inch
/.A car weighs 2500lbs with a capacity of 2500lbs, the CWT is weighted at 40%, how
much is the motor lifting when the car is fully loaded? - Answer-✅2500(car) +
1000(40%) 3500. 5000-3500=1500lbs lifted by the machine
/.How must Oxygen and Acetylene tanks be stored? - Answer-✅Vertically, 12 feet
apart, or on a cart with a ½ hour fire barrier between them
/.What is code for sill to sill distance? - Answer-✅Minimum ½ inch Maximum 1 ½ inches
/.When drilling a jack hole in sandy conditions what type of drill rig is required? -
Answer-✅Rotary or Auger bit. Rotary=Soft Percussion=Rocky Combo=Solid
/.A customer does not want an escape hatch on a residential elevator, under what
condition is this legal? - Answer-✅Manual operation must be provided
/.Your helper wired the down direction and final limit switches, now the car will only
travel up, what is the issue? - Answer-✅The down direction limit was wired incorrectly.
/.What are the effects of one rope sitting deeper in the sheave groove? - Answer-✅The
rope wears out and breaks faster
/.There is a noise coming from a freight door. The sheave is moving, but the chain is
not. What is the problem? - Answer-✅Oil on the drive chain
