1|Page
NCCER BOILERMAKER MAINTENANCE EXAM LATEST 2025 ACTUAL
EXAM WITH COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS (100% VERIFIED ANSWERS) |ALREADY GRADED A+|
||PROFESSOR VERIFIED|| ||BRANDNEW!!!||
When making a Pipe thread connection where should you apply
liquid lubricant? - ANSWER-Male threads
When making a tight close seal on a threaded pipe which wrench
should you use? - ANSWER-Pipe Wrench
When is it allowed for the load not to have a tag line? - ANSWER-
Both OSHA and industry standards require the use of taglines
unless the load configuration and weather conditions are such
that load control is not needed
What does packing do for the valve stem? - ANSWER-Stop it
from leaking
What is the safest way to light an oxy acetylene? - ANSWER-
Friction starter
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When sealing an exchanger tube how do you seal it? - ANSWER-
Pop-A-Plug
How do you use two straps together? - ANSWER-Shackle
What way will the shackle bolt face when rigged with 4 slings? -
ANSWER-Bolt down
What is a combination square - ANSWER-(Picture)
If you were needing to make a repair on a "U"tube bundle what
needs to be removed? - ANSWER-Dollar Plate
What components are attached to the baffle on an exchanger
tube bundle? - ANSWER-Tie Rods
In order to get the bundle to line up with the shell side gasket the
best tool to use to lift the bundle is a? - ANSWER-Drift Pin
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How far should a screw eye bolt be screwed in so it's properly
seated? - ANSWER-All the way in
Pack beds are bound in all of the following except for? -
ANSWER-Furnaces
What do baffles do for an exchanger bundle? - ANSWER-Support
the tubs during assembly and operations and help prevent
vibration from flow-induced eddies
What is the proper way to place a pin in a shackle? - ANSWER-All
the way and back it out a hair
How should a gasket face when using nubbin? - ANSWER-
Smooth side towards the nubbin
What is the purpose for nubbin? - ANSWER-Predominately
machined into a heat exchanger flange to create a high stress to
produce a tighter seal
NCCER BOILERMAKER MAINTENANCE EXAM LATEST 2025 ACTUAL
EXAM WITH COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS (100% VERIFIED ANSWERS) |ALREADY GRADED A+|
||PROFESSOR VERIFIED|| ||BRANDNEW!!!||
When making a Pipe thread connection where should you apply
liquid lubricant? - ANSWER-Male threads
When making a tight close seal on a threaded pipe which wrench
should you use? - ANSWER-Pipe Wrench
When is it allowed for the load not to have a tag line? - ANSWER-
Both OSHA and industry standards require the use of taglines
unless the load configuration and weather conditions are such
that load control is not needed
What does packing do for the valve stem? - ANSWER-Stop it
from leaking
What is the safest way to light an oxy acetylene? - ANSWER-
Friction starter
,2|Page
When sealing an exchanger tube how do you seal it? - ANSWER-
Pop-A-Plug
How do you use two straps together? - ANSWER-Shackle
What way will the shackle bolt face when rigged with 4 slings? -
ANSWER-Bolt down
What is a combination square - ANSWER-(Picture)
If you were needing to make a repair on a "U"tube bundle what
needs to be removed? - ANSWER-Dollar Plate
What components are attached to the baffle on an exchanger
tube bundle? - ANSWER-Tie Rods
In order to get the bundle to line up with the shell side gasket the
best tool to use to lift the bundle is a? - ANSWER-Drift Pin
, 3|Page
How far should a screw eye bolt be screwed in so it's properly
seated? - ANSWER-All the way in
Pack beds are bound in all of the following except for? -
ANSWER-Furnaces
What do baffles do for an exchanger bundle? - ANSWER-Support
the tubs during assembly and operations and help prevent
vibration from flow-induced eddies
What is the proper way to place a pin in a shackle? - ANSWER-All
the way and back it out a hair
How should a gasket face when using nubbin? - ANSWER-
Smooth side towards the nubbin
What is the purpose for nubbin? - ANSWER-Predominately
machined into a heat exchanger flange to create a high stress to
produce a tighter seal