BOILERMAKER NCCR TEST EXAM
QUESTIONS AND ANSWERS GRADED A+
2026
When are steel chain slings recommended? - ANS When rigging from three points
A big control valve is pulled who is responsible for the rigging? - ANS 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? - ANS 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? - ANS Choker Hitch
When should rigging material be attached to a bean that is being demolished? - ANS 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? - ANS Asbestos
Which type of insulation is required before a vessel is entered? - ANS Locking, Tagging, and
Blinding lines that feed the vessel
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
1
, According to OSHA, oxygen and acetylene cylinders in storage must be separated at what
minimum distance? - ANS 20 Ft
What is the first thing a boilermaker should do before cutting into a tank or vessel? -
ANS Determine the content
What tool is normally used to check the alignment on the horizontal seams of the shell plates? -
ANS A 2-foot level
What is used to expand tubes inside mud and steam drums? - ANS Rolling motors and
espanders
What does a grooved nut on an Acetylene rig indicate? - ANS The left hand thread is for
acetylene use only
Thermal beveling of pipe in preparation for welding requires use of an? - ANS 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? - ANS Acetylene is unstable above this pressure
What action should be taken if a boiler tube fails? - ANS Replace the failed tube
Before a wall burner is pulled for inspection - ANS The fuel gas valve must be shut
Which of the following is a type of insulation used inside furnaces? - ANS Fire Brick
What does "MTW" mean in reference to boiler tubing? - ANS Minimum Wall Thickness
On a drawing, what is used to record any changes to the drawing? - ANS Revision Block
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
2
QUESTIONS AND ANSWERS GRADED A+
2026
When are steel chain slings recommended? - ANS When rigging from three points
A big control valve is pulled who is responsible for the rigging? - ANS 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? - ANS 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? - ANS Choker Hitch
When should rigging material be attached to a bean that is being demolished? - ANS 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? - ANS Asbestos
Which type of insulation is required before a vessel is entered? - ANS Locking, Tagging, and
Blinding lines that feed the vessel
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
1
, According to OSHA, oxygen and acetylene cylinders in storage must be separated at what
minimum distance? - ANS 20 Ft
What is the first thing a boilermaker should do before cutting into a tank or vessel? -
ANS Determine the content
What tool is normally used to check the alignment on the horizontal seams of the shell plates? -
ANS A 2-foot level
What is used to expand tubes inside mud and steam drums? - ANS Rolling motors and
espanders
What does a grooved nut on an Acetylene rig indicate? - ANS The left hand thread is for
acetylene use only
Thermal beveling of pipe in preparation for welding requires use of an? - ANS 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? - ANS Acetylene is unstable above this pressure
What action should be taken if a boiler tube fails? - ANS Replace the failed tube
Before a wall burner is pulled for inspection - ANS The fuel gas valve must be shut
Which of the following is a type of insulation used inside furnaces? - ANS Fire Brick
What does "MTW" mean in reference to boiler tubing? - ANS Minimum Wall Thickness
On a drawing, what is used to record any changes to the drawing? - ANS Revision Block
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
2
