MECHANICS EXAM NEIEP (2024/2025) VERIFIED QUESTIONS WITH ACCURATE DETAILED ANSWERS || 100% GUARANTEED PASS UPDATED VERSION

You are taking a night call and your troubleshooting leads you to find a burnt out resistor. The original resistor was 215Ohms. You do not have a 215Ohm resistor on site. Which combination of resistors could you use to get the car running again? - Answer️90Ohm, 75Ohm, and 50Ohm wired in series The ease with which magnetic lines of force distrubute themselves throughout a material is known as ____ - Answer️Permeability The point at which a given piece of material contains all the lines of force it can hold is called ____. - Answer️Saturation Current flows from left to right on a conductor, what is true of the magnetic lines of force? - Answer️The magnetic lines of force will be in the counterclockwise direction. ____ measures current in a circuit without disconnecting wires. - Answer️Clamp-on meter The moveable portion of a relay is referred to as the ____ - Answer️Armature The period of a sine wave is .0083 seconds. What is the frequency? - Answer️120 Hz f= 1/t With an effective value of 20.2 amps of AC current, what is the peak value - Answer️28.6 A waveform that has unequal rise and fall times with one being instantaneous is called a - Answer️Sawtooth Like Magnetic Poles - Answer️Repel Total Resistance is... - Answer️always less than the resistance of any one branch. Current in a parallel circuit - Answer️Is shared between branches I= E/R for each branch. What stays the same throughout a series circuit - Answer️Current In a Wye Stator connection... - Answer️There is a neutral or common for all three phases. When using a portable working platform during rail installation... - Answer️The hoisting cable and operational controls should be inspected daily prior to using the working platform When laying out the rail locations for a bank of elevators... - Answer️use the column line to locate the two outermost rails in the bank. When installing formed guide rails... - Answer️the brackets do not require any shim What must you do when hoisting rails? - Answer️Ensure that your rope block or well wheel has an operational safety latch What is a bayonet gauge used for? - Answer️to check DBG on a T-rail install. What is the best fire extinguisher to cover all types of fires in the machine room? - Answer️ABC What is the main function of the car overspeed governor? - Answer️Grips the rope which mechanically trips the car safety. Electrical safeties must trip at ___ of mechanical tripping speed for cars that travel above 150 to 500fpm - Answer️90% The jaw side of the governor must be plumb to the... - Answer️Releasing carrier of the car. overspeed down condition Governors must be tested - Answer️every 5 years with rated load at rated speed in the down direction Group Controllers - Answer️coordinate the movement of multiple cars. If a gearless machines drive sheave has a circumferance of 6 feet, approximately how many RPMs would be required of the drive motor to run 800fpm - Answer️133 On a geared worm machine, where must the oil level be kept? - Answer️At the center of the worm shaft` Which drive groove confirguatrion requires the use of a double-wrapped secondary sheave? - Answer️U Groove What devices would you use to prevent the machine bedplate from lifting on one end as the elevator starts or stops? - Answer️Tie downs If you had a 14,500lb machine to lift up the hoistway, what kind of reeving would be used for a 4,000lb capacity portable gas hoist? - Answer️4 to 1 What's the advantage of lang lay ropes over regular lay rope? - Answer️They are most flexible When using rope wedge sockets... - Answer️Use a wedge and socket sized correctly for the rope. If a hoist machine roped 1:1 is capable of running at 650fpm with a capacity of 4500lbs, what would the capability be if roped 2:1? - Answer️325 fpm at 9000lbs More torque. Less speed. Double the reeve, double the weight and half the speed. What rope has wires preshaped to fit the twist in the strands and preshaped to fit the twist in the ropes? - Answer️Preformed What is it called when a load is added to a wire rope,it stretches, and when the load is removed, it returns to its original length? - Answer️Elastic Stretch What wire rope construction is the most wear resistant? - Answer️6 x 19 Seale What is the construction stretch of a 500ft fiber core, 8 strand rope rated at 3/4% (.0075) of rope stretch per hundred foot? - Answer️3.75FT 500 x .0075=3.75 Which lay of wire rope has the strand wires in line with the rope axis? - Answer️Regular Lay At what speed should counterweight safeties be set to trip? - Answer️UP TO 10% higher than the car governor What type of safety uses an oil buffer btween the car and safety planks? - Answer️Type C If you have a 3500lb car rated at 4000lbs capacity, how much should the counterweight assembly weigh for a normal 40% install? - Answer️5100lbs When an occupiable space below the pit, what additional equipment is required on the counterweight? - Answer️Safeties What functions can load weighing transducers perform? - Answer️Adjust door times, bypass hall calls, and adjust motor control. How high would you block up a counterweight frame before roping that had a counterweight buffer height of 32", rope stretch of 12"; bottom counterweight run by of 18"; and pit depth of 8 feet? - Answer️62 inches What document may be the only place to look for information such as the type of fixtures, car panel, fire service floor, etc? - Answer️Job abstract Which type of diagram shows the simplified path from positive to negative for all components in a circuit - Answer️Straight Line What term best describes typing all metal parts at ground potential to minimize electrical shock hazards? - Answer️Bonding When bending conduit, what is the maximum number of degrees of bend allowed between access points? - Answer️360 degrees You are working with motor-gengerator leads. WHat is the maximum length that may be connected directly to the controller without being run inside a raceway? - Answer️6 feet What is the regerence point on the thinwall bender for the finish line of a back to back bend? - Answer️The start point You have a 10' length of 3/4" rigid conduit, which needs to have a 90 degree bend with a 16" stub height. With a 7" take up, what is the distance from the end of the pipe to the mark where the hickey arrow is aligned? - Answer️9" What color insulation s used to indicate a ground wire? - Answer️Green What type of core would be used in traveling cable over 200ft long? - Answer️Steel Why are new traveling cables allowed to hang free for a time? - Answer️To relieve torsional stress What do cable grippers depend on to grip the cable tight? - Answer️Tension On a two or three stop elevator, how will the traveling cables probably be suspended? - Answer️On spools When using a hoisting line to install cables, what device could be used to prevent twisting? - Answer️Swivel LInk Where must high rise traveling cables be anchored? - Answer️Building structure What is the smallest gauge wire permitted in a traveling cable? - Answer️20 gauge When replacing traveling cables in an occupied building, what is the most important consideration? - Answer️Safety of occupants and visitors What purpose does a fish tape serve? - Answer️It is used to pull wires in conduit