Ultimate NEIEP Mechanics Brand New Revised Study Guide Exam latest 2026 Actual Exam Questions and Correct Detailed Answers | with Rationales

Ultimate NEIEP Mechanics Brand New Revised Study Guide Exam latest 2026 Actual Exam Questions and Correct Detailed Answers | with Rationales How do you calculate the number of counterweights needed to balance a car? - ANSWER-Use the formula LxWxHx.25, where the weight of the counterweight is 25 lbs per foot cubed. Who is responsible for providing the MSDS on a construction site? - ANSWER-Your employer. If a pump pulley is 6" and the motor pulley is 12", how do you determine the size pulley needed to achieve a speed of 125' per minute? - ANSWER-Cross multiply based on the pulley sizes and motor speed. In a dump switch question, if the switches are in certain states, how do you determine the car's position? - ANSWER-Find the switch in the neutral position; the answer is believed to be the second floor. How many gallons of oil are needed to raise a car with a 6" diameter piston and a 25' rise? - ANSWER-It would take 37 gallons of oil. How do you convert 1 inch to millimeters? - ANSWER-1 inch is equal to 25.4 mm. What is the correct method to measure a handrail? - ANSWER-Measure in flat sections on the incline only. When is an escape hatch required for residential lifts? - ANSWER-When there are no controls inside the car and it must open to the outside. How many wires are needed to wire a COP? - ANSWER-You need 10% extra wires, considering multiple common terminals. What could be the cause if a brake doesn't pick fully upon acceleration? - ANSWER-It could be related to the brake circuit. Mechanics Mechanics Mechanics What is the formula for calculating the time constant of a capacitor? - ANSWER-TC = RxC, and capacitors take 5 times to charge. What issue arises if doors open and close immediately? - ANSWER-It indicates a problem with the off delay circuit. What should you ask for when installing rails? - ANSWER-Fish plates. When is the first tie down required for 2'x8' scaffolding? - ANSWER-At 4 times the smallest base diameter, find the closest header above. What hole should you drill first when dropping in machine beams? - ANSWER-Drill the deflector sheave hole first. At what speeds do mechanical and electrical trips occur for cars running at 300-350 fpm? - ANSWER-For 300 fpm, mechanical trip at 395 and electrical at 355; for 350 fpm, mechanical trip at 454 and electrical at 407. What types of safeties should be equipped for cars running at 300 fpm? - ANSWER Type A safeties (no more than 150 fpm) and Type B wedge clamp. What is an acceptable way to test oil buffers? - ANSWER-Test for 90 seconds at high speed/inspection speed. If a car is at the bottom normally, which way will it not run? - ANSWER-The car will not run down; it will run up. How do you test safeties annually? - ANSWER-Conduct a low speed no load Category one elevator test. What is the proper method for drilling into stainless steel doors? - ANSWER-Use eye protection, drill slowly and steadily with a sharp bit and cutting oil. What is the method for drilling into sand? - ANSWER-Use a rotary drill. What is the resistance of the door lock circuit in a highrise gate circuit? - ANSWER-1.8 ohms. What happens to a series parallel circuit if one of the resistors drops out? - ANSWER Resistance increases and current decreases. What could be the issue with omega rails? - ANSWER-They were probably over tightened; check the engineer's guidelines. What are phantom line and visible line questions? - ANSWER-These relate to the different types of lines used in technical drawings. Mechanics Mechanics How many PI's are needed for a three bank of elevators on nine floors, excluding floors 3, 5, and 7? - ANSWER-27 PI's in total. What is the danger of a counterweight in an elevator system? - ANSWER-It moves in the opposite direction silently. What is the first thing to do when working on an escalator? - ANSWER-Set barricades at the top and bottom. How do you test if the normal limit is okay? - ANSWER-Kill the main line and put a meter on ohms. What effect does reducing the vertical angle have when rigging? - ANSWER-Strength gets weaker; the best angle is a bridal hitch with 4 slings at 60 degrees. What type of nut is used for double nutting that will crush the other nut? - ANSWER Palnut. If a jumper on a transistor reads 7.43 volts, is that good? - ANSWER-Yes, it is good; a diode reads .735 volts, indicating a .7 voltage drop. How do you test a transistor? - ANSWER-Using a digital multimeter, place a jumper across the anode and gate, and check between the base and emitter for a reading of .7 volts. How many 100 W light bulbs can be put in a circuit with a 15 amp breaker? - ANSWER 9 bulbs, considering the distance and using Ohm's law. What is Ohm's Law? - ANSWER-E = I x R, I = E/R, R = E/I; Power (P) = I (current) x E (voltage). When given a construction print, what should you remember about the rise of the car? - ANSWER-Do not count the pit. What should you do if an armature is lightly sparking? - ANSWER-Leave it alone. What is the answer for armatures regarding mica? - ANSWER-High mica. What is the purpose of sandpaper when seating motor brushes? - ANSWER-To properly seat the brushes. Why does a car trip in the same spot while traveling down? - ANSWER-There is an open traveling wire. Mechanics Mechanics What constitutes a repair job in elevator maintenance? - ANSWER-Replacing ropes or cables. What should you watch for regarding circuit direction? - ANSWER-They may switch the polarity. What could be the issue if a timing circuit fails after replacing the capacitor? - ANSWER One of the resistors may not be charging the capacitor correctly, indicating dielectric failure. What should be done if a disconnect is moved and a voltage problem arises? - ANSWER-Get bigger wires to lower resistance. What indicates a good forward biased diode? - ANSWER-A reading of .7 volts. What could be wrong if an SCR circuit with multiple resistors is failing? - ANSWER Either the transistor or a resistor is bad. What is the output of an exclusive gate to an inverter? - ANSWER-Refer to the inverter chart for input-output relationships. Where do you put the clips when using wedge shackles? - ANSWER-4x and 8x the diameter of the rope. What is used to prevent a load from spinning when rigging? - ANSWER-A swivel hook. What should you ensure when using wedge shackles? - ANSWER-Use the right size wedge insert proportional to your rope size. What is the proper way to test lines if you keep popping an overload? - ANSWER-Use a clamp-on meter across each single line. What does a VVF drive replace? - ANSWER-A DC machine. What is the benefit of a Two speed AC Motor when they first came out? - ANSWER More control over floor stops. How much distance do you have between the door and the strike? - ANSWER-¼ inch. If you need to do a rope shortening with a 24" runby roped 2-1, how many inches do you need to shorten the cables? - ANSWER-48 inches. What is the benefit of roping a 1-1 car that can lift 3000 lbs as 2-1? - ANSWER-It doubles the capacity to 6000 lbs at half the speed. Mechanics Mechanics What is true about current in series circuits? - ANSWER-The value of current is always the same. How is voltage related to resistance in series circuits? - ANSWER-Voltage is proportional to resistance. What happens to total resistance when resistors are placed in parallel? - ANSWER Total resistance decreases. What does power represent in electrical terms? - ANSWER-Heat in watts. What is the formula relating voltage (E), current (I), and resistance (R)? - ANSWER-E = Voltage, I = Current, R = Resistance. What is the function of governor overspeed switches? - ANSWER-The switch must open when tripped and be manually reset. What type of material provides better traction in a U groove on a sheave? - ANSWER Polyurethane. What does the term 'Centerline' refer to? - ANSWER-DBG. What is the maximum allowable inclination of an escalator? - ANSWER-31 degrees. What type of brake is described as permanent ceramic magnetic? - ANSWER-Disc brake. What does the lower carriage do in relation to the step chain? - ANSWER-It tightens the step chain. What is the purpose of dielectric in capacitors? - ANSWER-To prevent arching. What must be correct regarding capacitor voltage? - ANSWER-Voltage polarity must be correct. What is the formula for calculating time constant (TC) in relation to resistance (R) and capacitance (C)? - ANSWER-TC = R x C. What is the role of a safety operated switch? - ANSWER-It electrically opens the safety circuit. What is the runby distance between counterweight and buffer? - ANSWER-Runby distance. What is a Spider Bob used for? - ANSWER-To plumb holes. Mechanics Mechanics What does the platen plate connect? - ANSWER-It connects the plunger to the car. What is the distance of the sill guard in relation to the leveling zone? - ANSWER-Equal to the distance of the leveling zone plus 3 inches. What does the header do in relation to door hangers? - ANSWER-It is the horizontal support for door hangers. What is the maximum gap allowed for the drive door to latch its clutch to the hatch door? - ANSWER-½ inch. What is the significance of the brake circuit questions? - ANSWER-They require understanding of circuit behavior with added resistors. What is the condition for an AND gate to produce a high output? - ANSWER-All inputs must be high. What is the maximum capacity for residential lifts? - ANSWER-970 lbs. What is the maximum area for LULA lifts? - ANSWER-18 sqft. What is the purpose of a micrometer? - ANSWER-To measure small distances. What safety feature is needed for a false platform? - ANSWER-Spring loaded safeties. What is the spacing requirement for raceway supports? - ANSWER-Every 15 feet. What does the time constant (TC) represent in inductors? - ANSWER-The time it takes for an inductor to reach 63.2% of its final value. What is permeability in magnetic materials? - ANSWER-The ease in which a material can pass magnetic lines of force. What type of waveform is associated with an encoder? - ANSWER-Sawtooth Wave. What is the purpose of testing inductors? - ANSWER-Noise suppression. What is a possible indication of a bad inductor in a hoist motor? - ANSWER-A noisy hoist motor. What does SCR stand for in the context of static drives? - ANSWER-Silicone Controlled Rectifier. What is the employer's responsibility regarding unsafe working conditions according to OSHA standards? - ANSWER-To provide training for unsafe working conditions. Mechanics Mechanics What does a car drifting loaded at 125% indicate? - ANSWER-Worn pads. What does GFCI stand for and what does it indicate? - ANSWER-Ground Fault Current Imbalance; it indicates an imbalance between the hot and neutral. How should you test current in a circuit? - ANSWER-Put the meter in series. What is the maximum relief pressure allowed? - ANSWER-150%. What is the maximum number of 90-degree pipe bends allowed before needing a pull box? - ANSWER-Three bends, with no more than 360 degrees of bend in one conduit run. What is the required running clearance for cables? - ANSWER-No less than ½ inch and no more than 1½ inches. What is the car capacity and weight in the context of a hoist? - ANSWER-Car capacity is 2500 lbs, car weighs 2500 lbs, machine lifts 1500 lbs, total lifts 3500 lbs. What do machine kick plates do? - ANSWER-They prevent the machine from moving, often using Z brackets or tie downs. What could happen if a hoist rack and pinion is not plumb? - ANSWER-The hoist lift will go on safety extension tubes and ties, potentially dislodging the motor. What is the formula for force in relation to area and pressure? - ANSWER-Force (weight) = Area / Pressure. How do you convert inches to millimeters? - ANSWER-Multiply by 25.4. What is the maximum incline for a moving walk? - ANSWER-12 degrees. What could be the cause if a freight door motor is spinning but the doors are not moving? - ANSWER-Possible over-lubrication of chains. What is the formula for RPM in relation to frequency and pairs of poles? - ANSWER RPM = 60 x frequency / number of pairs of poles. What does a megger test for? - ANSWER-High voltage to ground. What does CWT stand for in elevator systems? - ANSWER-Weight of the car plus 40% of its capacity. What is required for vertical lifts in terms of switches? - ANSWER-A minimum of two switches, pan switches, 2 inches to stop. Mechanics Mechanics What is the Ward Leonard system? - ANSWER-A motor generator system where all three contacts close for high speed. What is the significance of a low pressure switch in a hydraulic system? - ANSWER-It acts as a low oil switch. What happens if one rope on the sheave is lower than the others? - ANSWER-The lower rope will move slower, causing extreme wear and tear on the sheave. What is a potential problem if an elevator drifts down during a static load test? - ANSWER-An underground cylinder leak. What could cause an elevator to not run at all after going up with a full load? - ANSWER-The relief valve is not adjusted properly. What is a possible issue if an elevator blows a fuse after running for months? - ANSWER-There may be an underlying electrical problem. What could cause an elevator machine to blow a fuse after running for months? - ANSWER-A dry sleeve bearing. What should you check if you are shocked while using a car top run box? - ANSWER Ensure the car top run box is grounded properly. Where should you aim a fire extinguisher when dealing with a fire? - ANSWER-At the base of the fire. What is the recommended technique for climbing a ladder? - ANSWER-Use 3 points of contact. What issue might cause an elevator to run slowly to six stops and then shut down? - ANSWER-A bad wye delta timer. What problem is indicated if a replaced fuse causes the R4 resistor to get red hot? - ANSWER-A shorted capacitor. What is the minimum size for a top rail when building a makeshift barricade? - ANSWER-A ¼" steel cable. What type of tests are Category Five tests? - ANSWER-Tests done at high speed with full weight in the cab. What type of relay should you order if the UDT relay is burnt out? - ANSWER-An AC relay. How much should elevator doors be made up before closing? - ANSWER-2 inches. Mechanics Mechanics What is the proper way to file rail joints? - ANSWER-File 18 inches above and below the joint for a smooth transition. What should you do before working in an elevator pit? - ANSWER-Always block up the hydro with standard schedule 80 pipe stands. What safety features must all elevator pits have? - ANSWER-A working pit stop switch and light. What should you do when taking out an escalator for maintenance? - ANSWER-Always barricade the top and bottom. What should you use when changing a circuit board? - ANSWER-A grounding wrist strap. What is used to connect more than one wire in a terminal? - ANSWER-A shortening bar. How are traveling cables numbered? - ANSWER-The closest cable to the rail is 1 or red. What is the fire rating for fire wire on door locks? - ANSWER-200 degrees Celsius. What is the maximum length for exposed motor leads? - ANSWER-6 feet. What is the voltage drop for silicone diodes? - ANSWER-.07, and for germanium diodes, it's .3. What should you verify after LOTO and before changing a VVF drive? - ANSWER Verify no voltage on capacitor banks. What should you use to mount rail brackets in cinder blocks? - ANSWER-Insert with brackets. What could cause a dumbwaiter to return with a load still on it? - ANSWER-A bad non reversal timer. What training is required to perform repairs in a confined space elevator pit? - ANSWER-Entrant Certification, following policy. What should you do if you find rouge on governor ropes during an inspection? - ANSWER-Measure the rope for wear; if bad, LOTO and measure for replacement. What action should you take if a data tag on an elevator is half ripped off? - ANSWER Remove the elevator from service. Mechanics What does an RC network do for relays? - ANSWER-It improves the lifespan of relays. What are dip switches used for in dual in-line packages? - ANSWER-They are used to set binary codes and can come in various prong counts. What might indicate a bad reed leveling switch in an elevator? - ANSWER-If the car is not leveling on the lobby floor and is off by about 3 inches. What is required for a 2:1 roped car compressing buffers 4 inches? - ANSWER-You need 18 inches of runby and need to shorten ropes by 44 inches. What controls the car acceleration in a car run circuit? - ANSWER-Resistors. What is usually hot in test points on prints? - ANSWER-1 is usually hot and 35 is ground. What could cause a car to drift at 125%? - ANSWER-Bad or worn brake pads. What should you do when removing the cab for modification? - ANSWER-Remove weight from the counterweight to compensate/balance. What should you do if you see a barricade out of place? - ANSWER-Put the barricade back, inform the supervisor, and make a written report. What should you know about freight doors in relation to the main line? - ANSWER Freight doors have a separate main line; if you kill the main line, you must LOTO both lines. Mechanics