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NEIEP 800 Final Exam Version 2 (GRADED A) Questions and
Verified Answers (100 out of 100)
Hydro elevators in low rise applications do not need an room. overhead machine
Some advantages of hydros are lower equipment and building construction costs because the load of a hydro is carried to the where as the load of a traction car is carried by the . ground, building structure
When drilling the jack hole, the only proper way to determine if the hole is plumb is to remove the drill stem and bit and use a. Spider Bob
To plumb the hole, a spider bob is attached to a length of piano wire suspended from as near as possible to the top of the or from a fixed point on the drill rig. Hoistway
When welding a joint, lay inch tack welds degrees apart, shift it 90 degrees and lay two more 1 inch tack welds 180 degrees apart. 1, 180
On power units having the motor beneath the tank, the pump may be either driven or coupled. belt, direct
The purpose of the / is to silence the effect of any pulsations in the pump output and should be as close to the pump as possible. silencer, muffler
On Bolsters/Bolster Assembly, the plunger is fastened to the which is then mounted to the center of the Bolster Assembly. platen plate
With wye-delta, reduced current starting is accomplished without the need for. resistors
run buttons should run the platform and sling at leveling speeds only. Temporary
A consists of a piston held closed by an adjustable spring and must open at a certain pressure to prevent any further increase in pressure. relief valve
A lowering valve allows the car to be lowered at a speed not exceeding 20fpm in case of power failure. manual
As the oil temperature changes, the will change as well and will effect the performance, more specifically, the leveling and approach of the elevator. viscosity
Be sure wellways are properly to avoid accidental injury to you, your team or anyone working outside of our industry. barricaded
Barricades around the wellway must be inches high and be capable of withstanding a lb force. 42, 200
Belted walkways use a tensioning device at the tail end to maintain the proper tension on the treadway belt and is normally maintained at lbs. 3000
(True/False) The speed governor switch on moving walks not driven by an induction motor directly connected to the driving machine (aka AC squirrel cage), will cause power to be removed from the motor and brake if the treadway speed exceeds a predetermined value, not to exceed 20% of maximum designed speed. This device shall be manually resettable. True
Ensure comb segment teeth are set in the slots of the treadway deep enough so the teeth are always the upper surface of the treads. below
(True/False) LULA's must provide a permanent mechanical holding device to mechanically stop and hold the car between 35 and 79 inches above the pit floor and must be held 24 inches minimum above the bottom sill. True
LULA maximum rise is ft 25
Residential elevator maximum platform area is sq ft 15
Hydraulic overspeed valves will stop a downward traveling car if it exceeds speeds rated between and percent. 110, 140
Car door switches are required to operate no more than inches from full closed. 2
With chairlifts, there needs to be at least inches of free passage width remaining on the stairway, per code. If the lift has a seat, it can be measured with the seat in the folded position. 20
The short radius spiral is a type of short radius spiral. double 90
The capacity of a chairlift shall not exceed two persons. The rated load shall not be less than lbs for a one seat lift and not less than lbs for a two seat lift. The speed shall not exceed fpm. 250, 400, 40
(True/False) With platform lifts, codes require a handrail between 1 and 3 inches in diameter, 1 1/2 inches minimum from the wall and 34 to 38 inches above the stair tread nosing. True
Per code, where the actuation of the safeties is by a governor, the safety shall be set at a maximum speed of fpm 75
With platform lifts, the is referring to the space occupied by the lifts' travel whether it is enclosed, partially enclosed or open construction. Runway
Routine tests and inspections are to be made every months for LULA's in buildings other than private residences and every for private residences. 6, year
What is the minimum height of a barricade in place around an open wellway?
Highersystempressure
Howdo youpreventrustingoftheplungerifthejackunitisinstalledin thewellholelongbeforethe elevator willbecompleted? Fillitwith*oil
(True/False)Thepressurereliefvalveisoperatedelectronically. *False
Whatpreventstheplungerfromleavingthe*cylinder? *The stopring
Theadvantageofwye-deltastartingiswhat? Starting currentislower
A* cushionspulsationsin theoilcausedbythepump. *silencer
Youcanlowerahydraulic* elevatorwithoutpowerbyusingthe . manualloweringvalve
The* assemblysupportstheplatformofahydraulic*elevator. bolsterchannel
Itisnecessarytorunagroundwiretothecarslingofahydraulicelevatortopreventwhat? electricalshock
What * conditionwilltripaGFCI? Ifasupplylead * isshortedto ground
Whenusingabeamclamp,* agoodruleofthumbisto * never * loadthelower * flangeto * morethan %oftheload which could be * handled * bythe * fullareaofthe*beam. 50
1 *lb equals how manyKg? .
2,000Kg= lbs *4,
Whatisthebestriggingequipmentto useforcontrollinghorizontalmovementoftheescalatorasitis beingliftedintopositioninthewellway? lever*hoist
Whatisthemostcommonshackleused? Screw pinbowtype
Theangleofinclinationcan* 30 degreesby* amaximumof* degreesat theinstallationsite. exceed;* 1
Themaximumdistancebetweenanti-slidedeviceson anescalatoriswhat? *6'
Whathappensifastepofanescalatordropsmorethan*1/8"? The escalatorstopsautomatically
Themaximumplatformareaforaresidential* elevator* is* sq.*ft..
Whatistheleastamountoffreepassagewidthrequiredonthestairwayfora*chairlift? *20"
Thespeedasmeasured alongtheinclineofa* chairliftshallnotexceed .* 40 *ft/min
Thehandrailheightfora* residentialplatformliftmustbebetween to* inchesabovethestair*tread nosing. 34; 38
For* aresidentialplatformliftthe* governorshallset* at* amaximumspeedof .* 75 *fpm
What * wewouldnormallyrefer toasahoistwayorhatchwayinelevatorterms iscalleda when discussingplatformlifts. *runway
Routineperiodictestsand inspectionsaretobemade* atintervalsnolongerthan* for LULA'sinbuildingsother* thanprivate residencesandnolongerthan* for*private *residences. 6 months; 1 * year
ANSIA10.4maybeusedforaRackandPinioninstallationwhenitisusedasa*what? Personnellift duringconstruction
(True/False)TheframeofaRackandPinionelevatorissimilar * to atraditionalelevatorcarsling.True
Spacingoftowerwallties* generally* fallbetween to* feet. 10; 30
ThetypicalmaximumspeedforR&Phoistsis .* 300 *fpm
RacksectionsforRackandPinionhoistsarealignedbydoingwhat? Placingroll pinsinthe*ends
Changes * inthe * viscosityoftheoilina * hydraulic* elevatorwill * mainlyeffectthe and oftheelevator. leveling; approach
Ifahydraulicelevatortrips* itslowoiltimerwhatshould youcheckiftheoillevelis*good? pumpbelts
Submersiblepumpsarealways , conventionalpumpsareusually*belt driven. directcoupled
Thecarmustrun at* speed onlywhenusingtemporaryrunbuttons. *leveling
A* canbecaused ifthecasingisweldedcrookedordrillingoftheholegoesoffcenter. dogleg
