1
BOILERMAKER NCCR TEST NEWEST ACTUAL
2025/2026 WITH COMPLETE QUESTIONS AND
ANSWERS
When are steel chain slings recommended? - (ANSWER)When rigging from three
points
A big control valve is pulled who is responsible for the rigging? - (ANSWER)Crane
operator and rigger
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
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
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.
Which of the following has a greater possibility of being a respiratory hazard? -
(ANSWER)Asbestos
Which type of insulation is required before a vessel is entered? -
(ANSWER)Locking, Tagging, and Blinding lines that feed the vessel
,2
According to OSHA, oxygen and acetylene cylinders in storage must be separated
at what minimum distance? - (ANSWER)20 Ft
What is the first thing a boilermaker should do before cutting into a tank or
vessel? - (ANSWER)Determine the content
What tool is normally used to check the alignment on the horizontal seams of the
shell plates? - (ANSWER)A 2-foot level
What is used to expand tubes inside mud and steam drums? - (ANSWER)Rolling
motors and espanders
What does a grooved nut on an Acetylene rig indicate? - (ANSWER)The left hand
thread is for acetylene use only
Thermal beveling of pipe in preparation for welding requires use of an? -
(ANSWER)Oxyfuel Torch
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
What action should be taken if a boiler tube fails? - (ANSWER)Replace the failed
tube
, 3
Before a wall burner is pulled for inspection - (ANSWER)The fuel gas valve must
be shut
Which of the following is a type of insulation used inside furnaces? -
(ANSWER)Fire Brick
What does "MTW" mean in reference to boiler tubing? - (ANSWER)Minimum
Wall Thickness
On a drawing, what is used to record any changes to the drawing? -
(ANSWER)Revision Block
Scales on a drawing are usually written in - (ANSWER)inches and feet
Dimensional measurements can be found on all of the following except -
(ANSWER)Mechanical flow diagram
All vessels elevations are taken from the - (ANSWER)top of steel on the embed
ring (base plate)
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
What is a spud wrench most commonly used for? - (ANSWER)Aligning flanges
BOILERMAKER NCCR TEST NEWEST ACTUAL
2025/2026 WITH COMPLETE QUESTIONS AND
ANSWERS
When are steel chain slings recommended? - (ANSWER)When rigging from three
points
A big control valve is pulled who is responsible for the rigging? - (ANSWER)Crane
operator and rigger
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
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
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.
Which of the following has a greater possibility of being a respiratory hazard? -
(ANSWER)Asbestos
Which type of insulation is required before a vessel is entered? -
(ANSWER)Locking, Tagging, and Blinding lines that feed the vessel
,2
According to OSHA, oxygen and acetylene cylinders in storage must be separated
at what minimum distance? - (ANSWER)20 Ft
What is the first thing a boilermaker should do before cutting into a tank or
vessel? - (ANSWER)Determine the content
What tool is normally used to check the alignment on the horizontal seams of the
shell plates? - (ANSWER)A 2-foot level
What is used to expand tubes inside mud and steam drums? - (ANSWER)Rolling
motors and espanders
What does a grooved nut on an Acetylene rig indicate? - (ANSWER)The left hand
thread is for acetylene use only
Thermal beveling of pipe in preparation for welding requires use of an? -
(ANSWER)Oxyfuel Torch
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
What action should be taken if a boiler tube fails? - (ANSWER)Replace the failed
tube
, 3
Before a wall burner is pulled for inspection - (ANSWER)The fuel gas valve must
be shut
Which of the following is a type of insulation used inside furnaces? -
(ANSWER)Fire Brick
What does "MTW" mean in reference to boiler tubing? - (ANSWER)Minimum
Wall Thickness
On a drawing, what is used to record any changes to the drawing? -
(ANSWER)Revision Block
Scales on a drawing are usually written in - (ANSWER)inches and feet
Dimensional measurements can be found on all of the following except -
(ANSWER)Mechanical flow diagram
All vessels elevations are taken from the - (ANSWER)top of steel on the embed
ring (base plate)
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
What is a spud wrench most commonly used for? - (ANSWER)Aligning flanges
