Boilermaker NCCR Test (Latest) Questions With 100% Correct Ans..
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
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
What type of valves are typically used on a sight glass to direct flow? Answer- 3 way
valves
Handhole cap and plug material is verified by the Answer- P4 report
What are the four major components of a gate valve? Answer- Body, Bonnet, gate, and stem
What is the most commonly used fasteners in boiler construction? Answer- Threaded
On site, who determines what grade of material to be used for repair? Answer- QA/QC
What is the best tool to be used to prepare XXH 2-inch tubing for welding? Answer- Milling Motor
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
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
What type of valves are typically used on a sight glass to direct flow? Answer- 3 way
valves
Handhole cap and plug material is verified by the Answer- P4 report
What are the four major components of a gate valve? Answer- Body, Bonnet, gate, and stem
What is the most commonly used fasteners in boiler construction? Answer- Threaded
On site, who determines what grade of material to be used for repair? Answer- QA/QC
What is the best tool to be used to prepare XXH 2-inch tubing for welding? Answer- Milling Motor
