Page 1 of 22
NCCER BOILERMAKER MAINTENANCE EXAM***
(2026/027) ACTUAL QUESTIONS AND VERIFIED
ANSWERS TO PASS THE EXAM
What tool can be used to generate force making tightening or
loosening easier
❖ Impact
When tightening up a manway or tower that has 1 1/4" x 8"
stud bolts, what size wrench should you use
❖ 2"
Washers are used to prevent fasteners from marrying?
❖ surface
Title blocks are found where
,Page 2 of 22
❖ Bottom right corner
The following threaded fitting requires a thread lubricant
except
❖ rubber
Taps are used to cut what type of threads?
❖ internal threads
chain hoist are primarily used for what type of lifting
❖ vertical lifting
Oxyfuel torch what valve must be turned off first
❖ Acetylene
, Page 3 of 22
What does SWL stand for?
❖ Safe Working Load
On a variable can (spring can) support, when are the load
straps removed
❖ Just prior to energizing the system
When rigging a valve the spring should be placed around the
❖ body
Minimum required oxygen and fuel gas storage separation
when not in use and stored in open areas
❖ 20'
NCCER BOILERMAKER MAINTENANCE EXAM***
(2026/027) ACTUAL QUESTIONS AND VERIFIED
ANSWERS TO PASS THE EXAM
What tool can be used to generate force making tightening or
loosening easier
❖ Impact
When tightening up a manway or tower that has 1 1/4" x 8"
stud bolts, what size wrench should you use
❖ 2"
Washers are used to prevent fasteners from marrying?
❖ surface
Title blocks are found where
,Page 2 of 22
❖ Bottom right corner
The following threaded fitting requires a thread lubricant
except
❖ rubber
Taps are used to cut what type of threads?
❖ internal threads
chain hoist are primarily used for what type of lifting
❖ vertical lifting
Oxyfuel torch what valve must be turned off first
❖ Acetylene
, Page 3 of 22
What does SWL stand for?
❖ Safe Working Load
On a variable can (spring can) support, when are the load
straps removed
❖ Just prior to energizing the system
When rigging a valve the spring should be placed around the
❖ body
Minimum required oxygen and fuel gas storage separation
when not in use and stored in open areas
❖ 20'
