BOILERMAKER NCCER EXAM ACTUAL EXAM COMPLETE QUESTIONS AND VERIFIED SOLUTIONS LATEST UPDATE THIS YEAR.pdf

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BOILERMAKER NCCER EXAM ACTUAL EXAM 2026-2027
COMPLETE QUESTIONS AND VERIFIED SOLUTIONS
LATEST UPDATE THIS YEAR




QUESTION: What is the first thing a boilermaker should do before cutting into a tank or vessel?

- ANSWER-Determine the content




QUESTION: What tool is normally used to check the alignment on the horizontal seams of the

shell plates? - ANSWER-A 2-foot level




QUESTION: What is used to expand tubes inside mud and steam drums? - ANSWER-Rolling

motors and espanders




QUESTION: What does a grooved nut on an Acetylene rig indicate? - ANSWER-The left hand

thread is for acetylene use only

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QUESTION: Thermal beveling of pipe in preparation for welding requires use of an? - ANSWER-

Oxyfuel Torch




QUESTION: A 1-inch plate is to be cut. Why should an acetylene gerulator on a cutting rig not be

adjusted over 15 PSI? - ANSWER-Acetylene is unstable above this pressure




QUESTION: What action should be taken if a boiler tube fails? - ANSWER-Replace the failed

tube




QUESTION: Before a wall burner is pulled for inspection - ANSWER-The fuel gas valve must be

shut




QUESTION: Which of the following is a type of insulation used inside furnaces? - ANSWER-Fire

Brick




QUESTION: What does "MTW" mean in reference to boiler tubing? - ANSWER-Minimum Wall

Thickness

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QUESTION: On a drawing, what is used to record any changes to the drawing? - ANSWER-

Revision Block




QUESTION: Scales on a drawing are usually written in - ANSWER-inches and feet




QUESTION: Dimensional measurements can be found on all of the following except - ANSWER-

Mechanical flow diagram




QUESTION: All vessels elevations are taken from the - ANSWER-top of steel on the embed ring

(base plate)




QUESTION: A gate valve is being removed from a product line. All of the following procedures

must be performed except? - ANSWER-Valve must be in closed position




QUESTION: What is a spud wrench most commonly used for? - ANSWER-Aligning flanges

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QUESTION: What type of valves are typically used on a sight glass to direct flow? - ANSWER-3

way valves




Q; When are steel chain slings recommended? - ANSWER-When rigging from three points




QUESTION: A big control valve is pulled who is responsible for the rigging? - ANSWER-Crane

operator and rigger




QUESTION: What should be used to hold the pipe when setting up two 40-foot joints of 16-inch

STD WT pipe? - ANSWER-4 legged roller top jacks




QUESTION: The hitch made by wrapping the sling around the load, then passing one eye of the

sling throughout a shackle is called? - ANSWER-Choker Hitch




QUESTION: When should rigging material be attached to a bean that is being demolished? -

ANSWER-Before any bolts are removed or any cutting is done on the beam.