Page 1 of 151 1 ELEVATOR MECHANIC EXAM LATEST 2024 -2025 ALL 3 VERSIONS COMPLETE 400 QUESTIONS AND CORRECT DETAILED ANSWERS ALREADY GRADED A+ ELEVATOR MECHANIC EXAM A 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 Page 2 of 151 2 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 m uch is the motor lifting when the car is fully loaded? - ANSWER -2500(car) + 1000(40%) 3500. 5000 -
3500=1500lbs lifted by the machine Page 3 of 151 3 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 cu stomer 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 issu e? - 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 cha in is not. What is the problem? - ANSWER -Oil on the drive chain Page 4 of 151 4 What is the effect when you change a sling angle from 60 degrees to 30 degrees? - ANSWER -
More tension, less capacity. Any angle 30 or less is dangerous How many points of a contact must be m aintained on a ladder? How far above landing must it extend? What is proper Ratio? What steps don't we use? - ANSWER -3 points of contact. 3 foot above. 4:1. Top 2 steps You open a dumbwaiter access panel and it still runs, what is the problem? - ANSWER -Pit access switch is not working properly You perform a static load test with the pit valve closed. The car sinks 6" in 15 minutes. What is the problem? - ANSWER -Cylinder leak Where should you aim a fire extinguisher to put out a fire? - ANSWER -At the base of the fire Car with selective collective system is moving to the lobby to take a call, an up call is put in at the 2nd floor, what happens? - ANSWER -The call is bypassed until the car is traveling up During construction you land an escalator, but it is 10mm low, wha t is wrong? - ANSWER -The pit is too deep or column MARK is off
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