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Download Ironworker NCCER Exam Prep: Door Installation Q&A and more Exams Industrial Engineering in PDF only on Docsity!
IRONWORKER NCCER FINAL QUESTIONS
AND ANSWERS 2025 GRADED A+
The area on the wall where a door can be placed is more properly known as the - ANSWER. doorway the purpose of a door closer is to- ANSWER control the s closes eed at which the door opens and How does a door help to control the physical atmosphere of a space - ANSWER-By enclosing an arca so thal the intcrior may be more effectively healed or cooled The most common doors installed by Ironworkers are .- ANSWER-Both A and B The door swing, or handing, is always determined from the .- ANSWER. Side of the door you used the key on Tf the hinges are on the lef. and door opens in its a- ANSWER-Icfi hand door if the hingos are on the right and the door opens out ils a- ANSWEF-right hand revorse door An exterior siding door usually has - ANSWER a movable and a fixed pancl A revalving door consists of three or four doors called .- ANSWEFRlcaves A keeps people from spinning a revolving door too fast. - ANSWER-governor Service doors roll upward and are stored .- ANSWER-on a coil above the opening Modular reinforced panels used in modern bank vaults are made using a special blend of .- ANSWER-concrete and additivies The first step in installing a modern bank vault is to .- ANSWER-Become familiar with the manufactures drawings and instructions Which of the folowing is a common Lype of hangar door thal Ironworkers install? - ANSWER. Vertical litt Which of the following is a type of hangar door most likely to be used with smaller hangars and buildings? - ANSWER-Bi-fold Which of the following types of hangar doors provides a canopy when the doors is in the open position - ANSWER-Singlc panel Which of the following types of hangar doors is most likely to be used when a large or even super-wide door is needed? - ANSWER-Rolling Which of the following types of hangar doors includes intermediate, horizontal aluminum sections fitted between fabrics? - ANSWER-Vertical lift. A horizontal measure is referred to as length or __- ANSWER-width The term level means having a flat or even surface with no part higher than another. TRUE/FALSE - ANSWER True Although some drawings refer to sea level, it is usually changed to_____ - ANSWER- an elevation above finished floor The term “plumb” means that the work is truly perpendicular to - ANSWER level A benchmark is marked point on a movable obiect. TRUE /False - ANSWER-Palse Transferring a benchmark may be accomplished with the use of a .- ANSWER. rotating laser The horizontal starting points for column lines and other measurements are called .- ANSWER-control lines Wood Lripods uscd to support a theodolite are preferred over mclal ones because thoy are not affected by the sun. TRUE OR False - ANSWER-True An angle is the space between twa diverging from a common point. - ANSWER- lines A circular are is a segment of the diamctor of a circle TRUE / FALSE - ANSWER-False A compass may be used to draw a divide circles larger than those made by a regular pair of compassed. - ANSWEF-beam A bound field book should be used by ironworkers to keep records of changes made to reference points. TRUE/ False - ANSWER-TRUE Anarrow, often elevated walkway used to provide safe acess is a - ANSWER. catwalk walking surface - ANSWER-non-skid 2) The floor of a catwalk has a(n) What prevents workers from accidentally overstepping the edge of the catwalk or tools or other items from falling off the catwalk? - ANSWER-toe boards If stcel cables arc used to install a catwalk, the catwalk likcly - ANSWEF-suspended from overhead To prevent injury or death duc to falling, make sure that all persons on the calwalk during installation are - ANSWERusing a fall arrest system A fixed frame of bars covering an opening to exclude persons, animals, coarse material, or objects while admitting light, air, or fine material and allowing water to drain through is known as. - ANSWER-grating The cross bars on the outer edges of th - ANSWER-band tion or pieces of grating are _ bars. Welded steel bar grating is easy to work with but is not cost-efficient. TRUE / FALSE - ANSWER ‘alse When installing grating, ensure that the cross bars are on top. TRUE/False - ANSWERtrue When installing grating use metal for all grating supports and shims true / false - ANSWER-True When installing grating, cut the grating to prevent obstrucions or objects from coming through the grating. True/false - ANSWER-false When attachments are installed and attached metal to metal, the support steel may be attached by bolling and /or - ANSWER-welding Which of the folowing ombeds is best used on the top or botlom af a conercle slab or on concrete walls for the attachment of building materials or machinery? - ANSWEF¢steel plate with studs Which of the following embeds is best used on the edge of a slab for the attachment of building matcrials or as a bulkhead to act as formwork for concrete? - ANSWEF-bent plate with sinds Which of the folowing embeds has a cold formed or hol rolled channel body with Lanchors welded to the back of the channel? - ANSWER-halfen A canopy is a(n) area which extends from the wall ofa building. - ANSWER- covered The vertical surface of a canopy that spans across the top of columns or across the tap of a wall is - ANSWER fascia The major components of a canopy may be fabricated from which of the following materials? - ANSWERSteel Which of the following is most likely to be fully assembled on the ground and erected in one piece? - ANSWER-light poles Why should the separate parts of a highway sign be inspected by the erection contractor prior to erection? - ANSWEF-the structure can be damaged during shipment Fatigue cracks in fabricated structures will generally occur - ANSWER-along the toe of the welds parallel to the weld axis Erecting highway signs generally requires - ANSWER_lane closures The actual erection process for a highway sign begins by .- ANSWER-placing and leveling the leveling nuts The bare mast arms of a cantilever structure with no attachments are vulnerable to - ANSWER-wind forces Anchors may be anchored or fastened mechanically and/or through the use of - ANSWER-adhesives Safety precautions for installing anchors require that, at a minimum, all installers must use safety glasses and - ANSWER-gloves Adhesive anchor systems work by drilling a hole in the base material, cleaning the hole, injecting the adhesive, and inserting a - ANSWER-threaded rod Fast cure systems generally cure in at room temperature. - ANSWER-one hour The cure time of an adhesive is the time it takes for the adhesive to harden enough to a - ANSWEF-attach the nut and washer The gel and full cure times of an adhesive both vary with the of the base matcrial. - ANSWER-lomporature Over the life ofa lastcening, an adhesive may deform to a certain extent. The deformation of the adhesive is known as .- ANSWER-creep which of the following failures of adhesive and mechanical fasteners in concrete occurs when the applied load is greater than the friction produced by the expansion mechanism? - ANSWER- anchor pullout e and mechanical fasteners in concrete occurs when 2 - ANSWER- Which of the following failures of adhe the anchor is placed and loaded near a free edge causing a rupture of the conere edge failure Which of the following failures of adhesive and mechanical fasteners in concrete occurs when the base matorial’s ullimale strength is exceeded by the applied load? - ANSWEF-anchor material failure To properly clean a hole drilled for an anchor, the Ironworker should - ANSWER-blow out the dust, brush the hale, and blow it out again When cleaning holes drilled for anchors, a wire brush handle extension is used _ - ANSWER-4o properly clean deep holes for larger anchors Injectable adhesive anchor systems typically use the same basic components. They include an adhesive cartridge, a dispenser which is designed for use with the chosen adhesive, and .- ANSWER-a static mixing nozzle When using a new cartridge and nozzle to inject adhesive into an anchor hole, it is important to - ANSWER-discard the first few trigger pulls An anchor hole should be filled with adhesive to the maufacuures’s instructions. This is usually = - ANSWER-1/2 to 2/3 full Tf any adhesive suddenly squirts from the hole while inserting the threaded rod, then that is an indication that _. - ANSWER-air voids may be present A screw is classified as: # 10-12 x 11/4" PPH. The "12" refers to the __-ANSWER- number of threads per inch Which of the following screws is used for unsupported sheeting? - ANSWEI¢lap screw with sealing washer Which of the following is true when selecting the screw and type of thread pltch ta be used? - ANSWER-+the thinner the material the finer the threads must be Storing chemicals outside of the manufactures’s specified temperature range results in shorter shelf life. TRUE/False - ANSWER-true The compressed air method for cleaning a drilled hole is more effective than cleaning with mamual blow out pump. T/Ll- ANSWER-\ruc Adhesive anchor systoms are generally "closed" sysloms. This mcans that there arc no parts Lo attach. t/f- ANSWEF-false Air voids increase the bonded area and improve the performance of the anchor. Uf- ANSWER-lalso Adhesive anchor systems also allow for anchorage into hollow base material, such as hollow block and brick. t/f- ANSWER-true Expansion anchors are generally limited to installation into hollow base materials. t/f- ANSWEF-false In general, sleeve anchors may not be used in hollow base materials. t/f- ANSWEF-false When using mechanical anchors, excess dust in the hole will guarantee the anchor will be installed to the required embedment depth. t/f- ANSWEF-false Selfdrilling screws require drilling holes in the receiving member of the connection. t/f- ANSWEF-false If the flute of a selfdrilling screw becomes completely imbedded in material, the point will burn up or break. A come-along that requires the use of a __ to move a load is inadequate for the Job. - ANSWER-cheater 10) The load chain on chain hoist is unsuitable for any other use. t/f- ANSWER-true Tirfors are available with capacities ranging from .75 to _ tons. - ANSWER-3.5 12) Tirfors can be fitted with to operate the leavers. - ANSWER-hydranlic rams Pendant cranes trolley along a bridge which travels on _.- ANSWER rails Hoist operators must not try to or repair the load chain rope. - ANSWER- lengthen Where are base-mounted winches particularly useful? - ANSWER-where there is not enough headroom for cranes to operate 4) What does an independent wire rope core help to resist? - ANSWER-crushing Hoist, winches, Lirfors, and other rigging devices require secure points. - ANSWER-anchorago Beam clamps are commonly available with capacities up to___ tons. - ANSWER-12 Most beam clamps are designed for use at _ ___to the flange. - ANSWER-S0 degrees Which hitch is the preferred method used to anchor equipment to a structure? - ANSWERdouble wrap basket The fork and supporting frame on a forklift would be tilted forward to .- ANSWER pick up a load Normally forklifts should not travel with individual loads if the distance is in excess of feet. - ANSWER-200 The load capacity of the forklift. should be stenciled on the truck. t/f- ANSWER-true Drive in reverse when transporting loads up a ramp and forward when going down grades. t/f- ANSWEF-false What type of Buming system docs the Local 580 Training Facility Have? - ANSWER manifold system What was the working pressures used for both Oxygen and Acetylene while cutting the 1/2" plates in class? - ANSWER-25-3 Cased Powder loads used in all types and classes of tools cover a range of how many power load levels? - ANSWER-12 power load levels 3) Powder loads #1 through #6 are in what color cases? - ANSWEF-brass colored cases 4) Powder loads #7 through #12 are in what color cases? - ANSWEI-nickel colored cases 3) How should Powder loads be stored? - ANSWEF-main supply of ammunition shall be kept in locked metal box. ..... 6) Where must the Key for Ammunition storage be kept? - ANSWEF-on the holders ticate of fitness Son 7) What 2 purposes do sheilds provide? - ANSWERthe confine flying particles and the help hold tool perpendicular rial that is Loo hard? - ANSWER- fasiner will not be able Lo penetrate and could deflect or break What will happen if you atlompt to fasten into a base ma $) How do you perform a center punch test?- ANSWEF-use fastner as a center punch if the material shows clear fastner impression and fastner point is not blunted the material is suitable What is the general rule when fastening into steel? - ANSWER-the point of the fastner should fully penetrate the oppos side Can a fastener be installed through an existing hole in steel or any other material? - ANSWER- only if positive guide is used to assure accurate location of fastner otherwise no What distance must be maintained from the edge of masonry & edge of steel when fastening with Powder-Actuated tools? - ANSWER-not closer than 3” from the edge in mansonry and not closer than 1/2" from edge of steel how do you establish a safe zone - ANSWER-area behind work must. be evacuated or 1/2" steel plate must be placed behind work to create barrier when powder-actuated tools be tested - ANSWER-everyday What should you do with a Powder-Actuated tool that is either found not to be working properly or begins to malfunction during use? - ANSWEF-remove from use immediately tagged out and not used until repaired Only the E21 Certificate of fitness holder is authorized to service or repair a Powder-Actuated lool? TRUE OR FALSE - ANSWER-False only manualacturer’s authorised sorvicc porsonnel You can be lined by OSHA for failure to properly dispose of charges? TRUE OR FALSE - ANSWER-4rue 18) Ifa round misfires or does not fire at all when actuated in the tool, discard defective s. TRUE OR FALSE. - ANSWER-false defective rounds should be stored in bucket of water after that they should be treated the same cartridges in the trash and continue with new cartrid, as spent carlidges AL least one portable fire extinquisher with a minimum 2A raling must be provided where ammunition is stored. TRUE OR FALSE. - ANSWER-true 
