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Boilermaker NCCR Test Questions with Explanations of Answers | latest upate 2024
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Boilermaker NCCR Test Questions with Explanations of Answers | latest upate 2024
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Boilermaker NCCR TestWhen are steel chain slings recommended? - When rigging from three points
A big control valve is pulled who is responsible for the rigging? - 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? - 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? - Choker Hitch
When should rigging material be attached to a bean that is being demolished? - 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? -
Asbestos
Which type of insulation is required before a vessel is entered? - 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? - 20 Ft
What is the first thing a boilermaker should do before cutting into a tank or vessel? -
Determine the content
What tool is normally used to check the alignment on the horizontal seams of the shell
plates? - A 2-foot level
What is used to expand tubes inside mud and steam drums? - Rolling motors and
espanders
What does a grooved nut on an Acetylene rig indicate? - The left hand thread is for
acetylene use only
Thermal beveling of pipe in preparation for welding requires use of an? - 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? - Acetylene is unstable above this pressure
What action should be taken if a boiler tube fails? - Replace the failed tube
Before a wall burner is pulled for inspection - The fuel gas valve must be shut
Which of the following is a type of insulation used inside furnaces? - Fire Brick
What does "MTW" mean in reference to boiler tubing? - Minimum Wall Thickness
On a drawing, what is used to record any changes to the drawing? - Revision Block
Scales on a drawing are usually written in - inches and feet
Dimensional measurements can be found on all of the following except - Mechanical
flow diagram
All vessels elevations are taken from the - 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? - Valve must be in closed position
What is a spud wrench most commonly used for? - Aligning flanges
What type of valves are typically used on a sight glass to direct flow? - 3 way valves
Handhole cap and plug material is verified by the - P4 report
What are the four major components of a gate valve? - Body, Bonnet, gate, and stem
What is the most commonly used fasteners in boiler construction? - Threaded
On site, who determines what grade of material to be used for repair? - QA/QC
What is the best tool to be used to prepare XXH 2-inch tubing for welding? - Milling
Motor
All of the following tools are used in preparation of the butt weld of a tube except? -
Chipping Gun
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