Boilermaker NCCR Test 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
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
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
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
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
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
