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IRONWORKER NCCER EXAM 2025 | ALL QUESTIONS
AND CORRECT ANSWERS | GRADED A+ | VERIFIED
ANSWERS | LATEST EXAM | JUST RELEASED
Most of the SMAW weld applications encountered will______beads when welding a single pass weld or on the first pass of a multiple pass weld. ------ ---CORRECT ANSWER-----------------stringer If the notation for a wide-flange beam is W12×14×8'6", the 14 indicates______. ---------CORRECT ANSWER-----------------weight per foot of the beam in pounds. During the shaking out, which of the following should be marked on each piece, in addition to the fabricators mark? ---------CORRECT ANSWER------ -----------the centerline or balance point of the piece. Before a column can be erected, the shims or leveling nuts in place should be checked to ensure that they are set at the proper______. --------- CORRECT ANSWER-----------------elevation The location of the anchor bolt in relation to other anchor bolts in the same pattern should not deviate more than + or - ---------CORRECT ANSWER---- -------------1/ When columns are erected ironworkers should only erect______. --------- CORRECT ANSWER-----------------as many as can be tied together with beams that day.
When can plumbing of structural members start? ---------CORRECT ANSWER-----------------As soon as the raising gang erects the first elevation of columns and beams or a tier of columns and beams. The simplest plumbing tool, consisting of a line with a brass weight on it is a______. ---------CORRECT ANSWER-----------------plumb bob The main difference between A325 and A490 bolts is______. --------- CORRECT ANSWER-----------------the amount of tensile strength they can withstand before failure. The formula for calculating the length of the bolt needed is______. --------- CORRECT ANSWER-----------------Length of bolt = thickness of metal(grip)
- bolt diameter +1/4" + thickness of washer(if used) The most tension a bolt can take without failing is called______strength. --- ------CORRECT ANSWER-----------------tensile To minimize the number of times a connection must be pinned, and ironworker should place the pin in the most difficult connection to be held first. This is usually the hole______. ---------CORRECT ANSWER------------- ----with the least amount of daylight showing through. When using the turn-of-nut method to tension bolts, the amount of turn beyond the snug position required varies from a______. ---------CORRECT ANSWER-----------------1/3 turn to a 2/3 turn.
The two commonly used natural fiber ropes are Manila and sisal, but the only type suitable for construction rigging is______. ---------CORRECT ANSWER-----------------number 1 grade Manila Which of the following types of rope is the strongest? ---------CORRECT ANSWER-----------------nylon Which of the following ropes is most likely to lose considerable tensile strength if it is wet before coiling? ---------CORRECT ANSWER----------------- natural fiber rope What is the appropriate factor of safety for a ropes capacity in terms of breaking strengths? ---------CORRECT ANSWER-----------------10 when hoisting personnel What is a bend or U-shaped curve in a line? ---------CORRECT ANSWER--- --------------bight What knot is the universal knot that never jams or slips if properly tied? ----- ----CORRECT ANSWER-----------------clove hitch Blocks, when Reeved, work like a machine and are not 100% efficient because of______. ---------CORRECT ANSWER-----------------friction
Which of the following is a sign that the blocks are being overloaded? ------- --CORRECT ANSWER-----------------hook shows signs of opening. If reeving a pair of tackle blocks, one of which has more than two sheaves, which sheave should the lead line go? ---------CORRECT ANSWER---------- -------center sheave of the upper block. The kindling temperature of steel is ---------CORRECT ANSWER-------------- ---1600 degrees One advantage of the OFC process is that it is ---------CORRECT ANSWER-----------------portable The materials that can be cut with OFC are limited primarily to _______materials ---------CORRECT ANSWER-----------------ferrous A welder opens the cylinder valve slightly and closes it immediately. what process did he/she perform? ---------CORRECT ANSWER----------------- cracking the cylinder A device that prevents the reverse flow of gasses that would result in a combustible mixture in the welding hose is a ---------CORRECT ANSWER-- ---------------check valve A condition in which the flame burns inside the tip, torch or hose is known as a ---------CORRECT ANSWER-----------------flashback
what is the term for the weight of all moving and constantly acting loads? --- ------CORRECT ANSWER-----------------live load which of the following is not one of the three basic components of concrete? ---------CORRECT ANSWER-----------------lime which of the following is the most accurate range of strengths for concrete? ---------CORRECT ANSWER-----------------3000 to 20,000 psi when reinforcing concrete, what does the steel add to the concrete? --------- CORRECT ANSWER-----------------tensile strength what size wire is used to tie most rebar? ---------CORRECT ANSWER-------- --------- 16 which of the following is a low foundation wall of sufficient depth to extend below the frost line? ---------CORRECT ANSWER-----------------grade beam concrete is strong in compression and______, but weak in______. --------- CORRECT ANSWER-----------------shear, tension what are the small "U" or "W" shaped bars placed across a beam to resist diagonal tension known as? ---------CORRECT ANSWER----------------- stirrups
Bar supports are also referred to as ---------CORRECT ANSWER-------------- ---accessories the function of the______is to safely transmit the superstructure loads to the ground without causing settlement. ---------CORRECT ANSWER---------- -------foundation in order to connect the column to its supports,______are required. --------- CORRECT ANSWER-----------------dowels in erecting a wall where the footings have been previously doweled, it is necessary for all dowels to be______and______. ---------CORRECT ANSWER-----------------straight, in-line columns are made up of vertical bars and ---------CORRECT ANSWER------ -----------bands or ties what are the end supports for a beam bridge called? ---------CORRECT ANSWER-----------------abutments SMAW uses which of the following electrode polarities? ---------CORRECT ANSWER-----------------all of the above
An electrode is classified as E7024. What does the 2 stand for? --------- CORRECT ANSWER-----------------flat and horizontal An electrode is classified as E6010. What does the 60 stand for? --------- CORRECT ANSWER-----------------tensile strength Which of the following is the first step to follow when choosing a SMAW electrode for a specific welding application? ---------CORRECT ANSWER--- --------------select the required tensile strength What can be the result of low hydrogen rods picking up moisture in the coating? ---------CORRECT ANSWER-----------------hydrogen-induced cracking of the weld. What SMAW technique is used to force the arc to stay ahead of the puddle? ---------CORRECT ANSWER-----------------drag angle In figure 8.1, the A is the______angle and B is the______angle. --------- CORRECT ANSWER-----------------travel, work figure 3.2 illustrates a______. ---------CORRECT ANSWER----------------- seven-part fall
within the round strand classification, the wires may be arranged in certain geometric patterns called______. ---------CORRECT ANSWER----------------- constructions For rigging ropes, the minimum acceptable factor of safety is______. --------
- CORRECT ANSWER----------------- 5 Using the rule of thumb formula, what is the safe working load for a wire rope with a 1/2" diameter? ---------CORRECT ANSWER-----------------2 tons There should be at least 3 full turns of rope on the drum when the hook or load is at its______ point. ---------CORRECT ANSWER-----------------lowest If a hook has been overloaded or is beginning to weaken, the______. ------- --CORRECT ANSWER-----------------throat will open Spreader beams are usually used to support______loads during lifts. ------- --CORRECT ANSWER-----------------long Seemingly insignificant changes in sling angle drastically affects the______. ---------CORRECT ANSWER-----------------loading The load in each leg of a sling will increase as the______. --------- CORRECT ANSWER-----------------angle is decreased
BEFORE BUNDLES OF DECK CAN BE LANDED ON A BAR JOIST,
WHAT ACTION MUST BE COMPLETED? ---------CORRECT ANSWER-----
------------JOIST MUST HAVE BRIDGING INSTALLED
WHEN MATERIALS ARE BEING HOISTED TO AN UPPER LEVEL, A
TAG LINE IS USED TO: ---------CORRECT ANSWER-----------------HELP
CONTROL THE LOAD
ITEMS SUCH AS FIELD WELDING INSTRUCTIONS, HANGERS, AND
CONNECTION DETAILS ARE GENERALLY FOUND ON: ---------
CORRECT ANSWER-----------------THE DETAIL DRAWINGS
THE ABILITY OF A STRUCTURAL STEEL COMPONENT TO RESIST
PULLING FORCES IS KNOWN AS: ---------CORRECT ANSWER-------------
----TENSILE STRENGHT
WHAT TYPE OF DECKING HAS IMPRESSIONS FORMED ON ITS RIB? -
--------CORRECT ANSWER-----------------COMPOSITE DECK
THE GROUND FLOOR ELEVATION IS SHOWN AS +100.25. THE ROOF
TOP ELEVATION IS SHOWN AS +130.50. WHAT IS THE DIFFERENCE
IN ELEVATION? ---------CORRECT ANSWER-----------------30'
IN WHAT DRAWING WOULD ONE FIND THE CORRECT BOLT SIZE
FOR A BEAM BEING BOLTED? ---------CORRECT ANSWER-----------------
DETAIL DRAWING
WHAT SHOULD ALWAYS BE USED TO IGNITE A CUTTING TORCH? ---
------CORRECT ANSWER-----------------STRIKER
EQUILIZING THE WEIGHT OF THE LOAD AT VARIOUS LIFTING
POINTS IS CALLED: ---------CORRECT ANSWER-----------------
CONFIGURATION
A COMBINATION SQUARE WITHOUT A PROTRACTOR HEAD IS USED
TO LAYOUT: ---------CORRECT ANSWER----------------- 45 DEGREE LINES
PRIOR TO INSPECTION IT IS GOOD PRACTICE TO TEST ALL STUDS
WITH WHAT METHOD? ---------CORRECT ANSWER-----------------PING
TEST
WHERE IS THE FULCRUM OR PIVOT POINT ON A FORKLIFT? ---------
CORRECT ANSWER-----------------THE FRONT AXLE
A DOCUMENT THAT OUTLINES WEIGHTS,CRANE CONFIGURATION
AND RIGGING REQUIREMENTS FOR A LIFT IS CALLED AN: ---------
CORRECT ANSWER-----------------LIFT PLAN
WHERE CAN THE BOLTING METHODS REGARDING STRUCTURAL
STEEL USUALLY BE FOUND? ---------CORRECT ANSWER-----------------
IN THE GENERAL NOTES OF THE STRUCTURAL DRAWINGS
A FRICTION LIGHTER IS COMMONLY KNOWN AS A: ---------CORRECT
ANSWER-----------------STRIKER
HOW MANY PIECES OF CHECKERED PLATE CAN BE LIFTED WHEN
USING PLATE GRABS? ---------CORRECT ANSWER-----------------NO
MORE THAN ONE PLATE
WHAT IS THE MAXIMUM ALLOWABLE DEVIATION FROM A PLUMB
LINE FOR A SINGLE - COLUMN SHIPPING PIECE? ---------CORRECT
ANSWER-----------------1/
THE PROCESS OF STACKING TIMBERS IN ALTERNATE TIERS TO
SUPPORT A HEAVY WEIGHT IS CALLED: ---------CORRECT ANSWER---
--------------BLOCKING
PLUMBING UP GUYS SHOULD BE INSTALLED TO PLUMB UP A
STRUCTURE AFTER: ---------CORRECT ANSWER-----------------ALL
STEEL IS ERECTED
WHAT IS THE SURFACE AREA OF A TRIANGLE WITH A 12" BASE AND
10" HEIGHT? ---------CORRECT ANSWER-----------------60IN SQUARE
A SKIDMORE TESTER IS A DEVICE THAT MEASURES A BOLTS: --------
- CORRECT ANSWER-----------------YIELD PRESSURE
EXTENDABLE ARMS ATTACHED TO A CRANE BASE MOUNTING THAT
RELIEVE THE WHEELS OF CRANE WEIGHT AND PROVIDE STABILITY
ARE CALLED: ---------CORRECT ANSWER-----------------OUTRIGGERS
WHICH OF THE FOLLOWING ITEMS ARE USED FOR HEAVY
RIGGING? ---------CORRECT ANSWER-----------------Slings, shackles, and spreader beam WHAT IS USED TO PREVENT JOIST FROM MOVING LATERALLY? ------ ---CORRECT ANSWER-----------------X-BRIDGING RESPIRATORS SHOULD BE USED IF WELDING ---------CORRECT ANSWER-----------------IN A CONFINED SPACE THE BUILDINGS FRAME BEFORE BEING PERMANENTLY FASTENED MUST BE: ---------CORRECT ANSWER-----------------PLUMB WHAT DOES MSDS STAND FOR? ---------CORRECT ANSWER-------------- ---Material Safety Data Sheet ALL OF THE FOLOWING ARE TRUE ABOUT THE SAFE USE OF SHACKLES EXCEPT: ---------CORRECT ANSWER-----------------SCREW PINS SHOULD BE BACKED OFF TWO TURNS
HAWG WASH IS A TYPE OF: ---------CORRECT ANSWER-----------------
LUBRICANT
A WELDING ELECTRODE MARKED AS E7018 CAN BE USED TO
WELD: ---------CORRECT ANSWER-----------------IN ALL POSITIONS
JOIST RESTING ON STEEL MUST HAVE A MINIMUM BEARING OF: -----
----CORRECT ANSWER-----------------1 INCH
WHAT IS THE MINIMUM WAITING PERIOD BEFORE USING AN
ACETYLENE CYLINDER THAT HAS TIPPED OVER? ---------CORRECT
ANSWER-----------------30 MINUTES
ONE OF THE LIMIT SWITCHES ON A CRANE IS CALLED A(N): ---------
CORRECT ANSWER-----------------ANTI TWO BLOCKING DEVICE
ACETYLENE GAS REGUATORS ARE ALWAYS REDLINED AT: ---------
CORRECT ANSWER-----------------15 PSI
REMOVING A PORTION OF THE FLANGES AT THE END OF A BEAM
TO ALLOW CONNECTION OF A BEAM TO THE WEB OF A COLUMN IS
CALLED ---------CORRECT ANSWER-----------------COPING
THE RELATIONSHIP BETWEEN THE SHEAVE DIAMETER AND THE
ROPE DIAMETER IS DESCRIBING THE: ---------CORRECT ANSWER-----
------------D:D RATIO
ALL OF THE FOLLOWING CONDITIONS WOULD REQUIRE THE
REMOVAL OF RIGGING FROM SERVICE EXCEPT: ---------CORRECT
ANSWER-----------------EXCESSIVE LUBRICATION
IN CRANE OPERATIONS, WHAT IS A JIB? ---------CORRECT ANSWER--
---------------AN EXTENSION OF THE MAIN BOOM
THE MINIMUM LEVEL OF PPE THAT IS REQUIRED FOR A SPECIFIC
TASK IS DETEMINED BY: ---------CORRECT ANSWER-----------------THE
COMPANY SAFETY DEPARTMENT
WHICH OF THE FOLLOWING IS NOT A TYPE OF DECKING? ---------
CORRECT ANSWER-----------------CELLULAR DECK
WHICH OF THE FOLLOWING BOLT TYPES IS KNOWN AS A "SOFT"
BOLT THAT IS GENERALLY USED IN STATIC LOAD STRUCTURES? ---
------CORRECT ANSWER-----------------A
WHEN STACKING OR STORING JOIST, DUNNAGE OR CRIBBING
SHOULD BE PLACED UNDER THE: ---------CORRECT ANSWER------------
-----LATERAL ENDS
