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Boilermaker NCCR Test/158 Questions with Answers/A+ Graded
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Boilermaker NCCR Test/158 Questionswith Answers/A+ Graded
When 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
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