Elevator Mechanic Exam Review Questions with Complete Solutions (Latest 2025) A contractor wants to raise the car speed from 100fpm to 125fpm, it currently has a 12" sheave. What sheave is required? - Correct Answers ✅125/100=1.25x12"=15" sheave A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or resistance. What should you do? - Correct Answers ✅Check circuit voltage On a Ward-Leonard circuit the break is set, but the motor is trying to slip through the break. What is the issue? - Correct Answers ✅Suicide Circuit You have an old DC motor and are adding an SCR drive, what do you do to the interpoles? - Correct Answers ✅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? - Correct Answers ✅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? - Correct Answers ✅1:1-22" 1 / 4
Elevator Mechanic Exam Review Questions with Complete Solutions (Latest 2025)
2:1-44"
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? - Correct Answers ✅Door circuit is still hot, 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? - Correct Answers ✅Adjust Tie Downs and Wall Ties Working pressure on a Hydro is 400psi. What is the maximum relief valve setting? - Correct Answers ✅400psi x 150%= 600psi What must be installed on a false car before operation? - Correct Answers ✅Spring Loaded Safeties.There is slight arcing between the brush and commutator.What action must be taken? - Correct Answers ✅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? - Correct Answers 2 / 4
Elevator Mechanic Exam Review Questions with Complete Solutions (Latest 2025) ✅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? - Correct Answers ✅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? - Correct Answers ✅Traveling cable has a cut/exposed wire or a short How is a class 1 yearly buffer test preformed? - Correct Answers ✅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? - Correct Answers ✅4-1 every 100ft How is stainless steel drilled out? - Correct Answers ✅Slow speed and constant pressure 3 / 4
Elevator Mechanic Exam Review Questions with Complete Solutions (Latest 2025) What is the required amount of retainer clips for wedge shackles and what is the spacing? - Correct Answers ✅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? - Correct Answers ✅2 600ohm resistors in parallel is 300ohms. Resistance is half of highest resistor in parallel circuit.
- 225ohm resistors in parallel is 75ohms.
- phase full wave = 1.33x output voltage of transformer
- phase full wave= .9 x output voltage of transformer
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When cutting laminated panels, which direction should the finish side face? - Correct Answers ✅Finish side facing the cutting edge of the tool. Blade will burr the backside How do you cut a finished floor? - Correct Answers ✅Cutting blade away from finished side A 480vac stepdown 240vac transformer is connected to a 3 phase rectifier, what is the output voltage? - Correct Answers ✅320vac