Boilermaker NCCR Test Questions and
Answer (Correctly Solved Questions)
When are steel chain slings recommended? - Correct
Answer ✅ When rigging from three points
A big control valve is pulled who is responsible for the
rigging? - Correct 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? - Correct 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? -
Correct Answer ✅ Choker Hitch
When should rigging material be attached to a bean that is
being demolished? - Correct 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? - Correct Answer ✅ Asbestos
,Boilermaker NCCR Test Questions and
Answer (Correctly Solved Questions)
Which type of insulation is required before a vessel is
entered? - Correct 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? -
Correct Answer ✅ 20 Ft
What is the first thing a boilermaker should do before cutting
into a tank or vessel? - Correct Answer ✅ Determine the
content
What tool is normally used to check the alignment on the
horizontal seams of the shell plates? - Correct Answer ✅ A
2-foot level
What is used to expand tubes inside mud and steam drums? -
Correct Answer ✅ Rolling motors and espanders
, Boilermaker NCCR Test Questions and
Answer (Correctly Solved Questions)
What does a grooved nut on an Acetylene rig indicate? -
Correct Answer ✅ The left hand thread is for acetylene use
only
Thermal beveling of pipe in preparation for welding requires
use of an? - Correct 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? - Correct
Answer ✅ Acetylene is unstable above this pressure
What action should be taken if a boiler tube fails? - Correct
Answer ✅ Replace the failed tube
Before a wall burner is pulled for inspection - Correct
Answer ✅ The fuel gas valve must be shut
Which of the following is a type of insulation used inside
furnaces? - Correct Answer ✅ Fire Brick
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