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NCCER TEST BOILERMAKER
QUESTIONS WITH CORRECT
ANSWERS LATEST UPDATE 2026
- Which organization requires a person to be trained in order to operate personal lifting equipment a. osha b. ansi c. nfpa d. asme - correct answer-A. OSHA
- Where would the usage of a RTJ Gasket be found e. High pressure system f. Low pressure system g. Water system h. Air system - correct answer-e. High pressure system
- All of the following are examples of internal manway hardware except i. Football washer j. Slide fastener
k. Half washer l. Bellville washer - correct answer-J. Slide fastener 4.What type of wrench measures how much a fastener is being tightened m. combination n. crescent o. torque - correct answer-O. Torque 5.the fitting that makes it easy to disassemble threaded piping is p. coupling q. union r. tee s. nipple - correct answer-Q. Union 6.what is the purpose of a gasket t. to create a seal between 2 stationary parts u. to fill excessive gap v. to hold bolts on the proper spacing
- ring gaskets may be affected by all of the following except ii. torque on the bolts jj. number of bolts kk. system temperature - correct answer-jj. Number of bolts
- CHAIN slings should be visually inspected ll. annually mm. quarterly nn. before each use oo. monthly - correct answer-ll. Annually
- which way should the teeth face on a hack saw blade pp. away from stem qq. toward the handle rr. away from the handle ss. towards the wingnut - correct answer-rr. Away from the handle
- to prevent injury due to crushing between crane sand other objects what must be used tt. synthetic slings uu. barricades vv. whip line - correct answer-uu. Barricades
- which is true when comparing head pressure if a 1" pipe and a 10" pipe when both are 20' tall ww. the 1" pressure is more xx. the 10" PRESSURE IS 5x MORE yy. the pressure is the same zz. the 10" pressure is 10x more/ - correct answer-yy. The pressure is the same
- when making a threaded connection the fitting stops on the 2nd thread the next step is aaa. stop the connection is done bbb. stop something is wrong ccc. continue tightening - correct answer-bbb. Stop something is wrong
mmm. the channel head not being in the correct orientation nnn. the partition plate being too short ooo. The bundle not being level - correct answer-nnn. The partition plate being too short
- which of the following should be removed when pressure testing the vessel ppp. relief valve qqq. gate valve rrr. plugs sss. internals - correct answer-ppp. Relief valve
- what components are attached to the baffle on an exchanger tube bundle ttt. tie-rods uuu. plugs vvv.bell head www. toggle bolts - correct answer-ttt. Tie rods
- all of the following are safety hazards associated with vessel confined space except
xxx.improper lighting yyy. improper inspection zzz.inadequate oxygen aaaa. explosive atmosphere - correct answer-yyy. improper inspection
- the department that governs standard workplace safety proc bbbb. osha cccc. asme dddd. nccer - correct answer-bbbb. OSHA
- valves used to relieve pressure in a pipeline, tank, vessel are called eeee. control valve ffff. butterfly valve gggg. needle valve hhhh. safety valve - correct answer-hhhh. Safety valve
- the following threaded fittings require a thread lubricant except uuuu. compression nut vvvv. stainless nipple wwww. carbon steel elbow xxxx. brass bushing - correct answer-Uuuu. Compression nut
- asbestos can be found in all of the following except yyyy. gaskets zzzz. fireproofing aaaaa. rubber bbbbb. insulation - correct answer-aaaaa. Rubber
- taps are used to ccccc. cut interior threaded ddddd. cut exterior threads eeeee. ream interior of pipe - correct answer-ccccc. Cut interior threaded
- chain hoist are primarily used for what type of lifting fffff. horizontal lifting
ggggg. lifting in any location hhhhh. vertical lifting - correct answer-hhhhh. Vertical lifting
- when turning off an oxyfuel torch what valve must be turned off first iiiii. acetylene jjjjj. CO kkkkk. Oxygen lllll. argon - correct answer-iiiii. Acetylene
- what does SWL represent mmmmm. safe working load nnnnn. system weight limit ooooo. shackle weight load - correct answer-mmmmm. Safe working load
- on a variable spring can support when are the load stops be removed ppppp. as they are being installed
- When tightening up a manway on a tower that has 1 1/4'" X 8" stud bolts what size wrench should you use bbbbbb. 1 1โ4" cccccc. 2" dddddd. 1 5/8" eeeeee. 1 7/16" - correct answer-cccccc. 2"
- What should a worker do before removing the flange bolts on the exchanger channel head ffffff. Remove pressure gauges and open bleeder valves gggggg. Verify blinds are in a bleeders are open and loto is complete hhhhhh. Rod the pressure gauges pull the dollar plate and block open the bleeder valves - correct answer-gggggg. Verify blinds are in a bleeders are open and loto is complete
- In a pipe threading machine equipped with NPT dies is designed to cut which type of threads
iiiiii. Machine bolt threads jjjjjj. National pipe threads kkkkkk. New pipe threads - correct answer-jjjjjj. National pipe threads
- Flange protector should be removed from the valve when llllll. Received on site mmmmmm.Removed from warehouse nnnnnn. Staged at worksite oooooo. Ready for installation - correct answer-oooooo. Ready for installation
- Which sling configuration has the greatest capacity pppppp. vertical qqqqqq. choker rrrrrr. basket ssssss. double wrap choke - correct answer-pppppp. vertical
ddddddd. Carbon steel eeeeeee.stainless aluminum fffffff. Aluminum - correct answer-ddddddd. Carbon steel
- when doing a hydrostatic test according to code where should the gauge be installed on the system ggggggg. lowest point hhhhhhh. highest point iiiiiii. near the pump - correct answer-hhhhhhh. Highest point
- which of the following is NOT a purpose of chemically cleaning a vessel jjjjjjj. to make welds look better kkkkkkk. to prepare for entry lllllll. to unplug nozzles mmmmmm. To remove contaminants - correct answer-jjjjjjj. To make welds look better
- All of the following would be reasons for rejecting a sling except nnnnnnn. Missing id tag ooooooo. Tear or cut ppppppp. Id tag on the wrong side - correct answer-ppppppp. ID tag on the wrong side
- Which of the special markings on the head of a bolt can be used to determine the quality of the fastener qqqqqqq. machine rrrrrrr. grade sssssss. cap ttttttt. stud - correct answer-rrrrrrr. Grade
- what type of a tray has a flat perforated plate with a riser or chimney fitted over each hole and a cap that covers the riser uuuuuuu. ballast vvvvvvv. Bubble
- according to OSHA the fall protection tie off point must have a minimum rating of iiiiiiii. 5000lbs jjjjjjjj. 3000lbs kkkkkkk. 100lbs - correct answer-iiiiiii. 5000lbs
- All of the following are standard methods for thread identification except llllllll. Nominal size mmmmmmmm. Packing series symbol nnnnnnnn. Thread series symbol oooooooo. Thread class symbol - correct answer-mmmmmmmm. Packing series symbol
- When plugging a straight tube exchanger in the shell all of the following heads need to be removed except pppppppp. Dollar plate qqqqqqqq. Channel head rrrrrrrr.floating head
ssssssss. Tub head - correct answer-sssssss. Tub head
Under which circumstances are the shell and tube sides of an exchanger pressurized at the same time ttttttt. When bleeding low pressure system uuuuu. When preforming a different hydro test vvvvvv. When purging high pressure system wwwww. When preforming key commissioning test - correct answer-uuuuuuu. When preforming a different hydro test
Where can exchangers operating pressure be found xxxxxxxx. On the permit yyyyyyyy. With the supervisor zzzzzzz. On the nameplate - correct answer-zzzzzzz. On the nameplate
What is the combined total weight of a 965lb channel head and 735 lb. dollar plate aaaaaaaaa. 785lb
