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NCCER BOILERMAKER MAINTENANCE EXAM NEWEST 2025/2026
ACTUAL EXAM WITH COMPLETE QUESTIONS AND CORRECT
DETAILED ANSWERS (100% VERIFIED ANSWERS) |ALREADY
GRADED A+| ||PROFESSOR VERIFIED||
When plugging a straight tube exchanger in the shell all of the
following heads need to be removed except? L - ANSWER-Tube
Head
Find the wrench size using the bolt diameter equation? -
ANSWER-Turn it into a fraction, find common denominator, divide
in half, add 1/8th, then add it to the whole fraction and complete
the fraction
Which organization requires a person to be trained to operate
personal lifting equipment - ANSWER-OSHA
Where would the usage of a RTJ Gasket be found - ANSWER-
high pressure system
All of the following are examples of internal manway hardware
except - ANSWER-Slide fastener
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The fitting that makes it easy to dissemble threaded pipe is -
ANSWER-Union
What type of wrench measures how much a fastener is being
tightened - ANSWER-Torque
What is the purpose of a gasket? - ANSWER-to create a seal
between 2 stationary parts
What is the first consideration when making a gasket - ANSWER-
material compatibility
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
ring gaskets may be affected by all of the following except -
ANSWER-Number of bolts
Which way should the teeth face on a hacksaw blade - ANSWER-
Away from handle
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Pressure of a 1" and 10" pipe when both are 20" tall - ANSWER-
The pressure is both the same
When making a threaded connection and it stops on 2nd thread....
- ANSWER-Stop, something is wrong
When using a sealing ring on heat exchanger, what material is
used to seal off in between the floating tube sheet and test ring? -
ANSWER-Permatex
For duct bolted together there is usually some kind of - ANSWER-
gasket
If the end of a tube sheet of an exchanger has been smashed this
is caused by all of the following except - ANSWER-The partition
plate being to short
Which of the following should be removed when pressure testing
the vessel - ANSWER-relief valve
NCCER BOILERMAKER MAINTENANCE EXAM NEWEST 2025/2026
ACTUAL EXAM WITH COMPLETE QUESTIONS AND CORRECT
DETAILED ANSWERS (100% VERIFIED ANSWERS) |ALREADY
GRADED A+| ||PROFESSOR VERIFIED||
When plugging a straight tube exchanger in the shell all of the
following heads need to be removed except? L - ANSWER-Tube
Head
Find the wrench size using the bolt diameter equation? -
ANSWER-Turn it into a fraction, find common denominator, divide
in half, add 1/8th, then add it to the whole fraction and complete
the fraction
Which organization requires a person to be trained to operate
personal lifting equipment - ANSWER-OSHA
Where would the usage of a RTJ Gasket be found - ANSWER-
high pressure system
All of the following are examples of internal manway hardware
except - ANSWER-Slide fastener
,2|Page
The fitting that makes it easy to dissemble threaded pipe is -
ANSWER-Union
What type of wrench measures how much a fastener is being
tightened - ANSWER-Torque
What is the purpose of a gasket? - ANSWER-to create a seal
between 2 stationary parts
What is the first consideration when making a gasket - ANSWER-
material compatibility
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
ring gaskets may be affected by all of the following except -
ANSWER-Number of bolts
Which way should the teeth face on a hacksaw blade - ANSWER-
Away from handle
, 3|Page
Pressure of a 1" and 10" pipe when both are 20" tall - ANSWER-
The pressure is both the same
When making a threaded connection and it stops on 2nd thread....
- ANSWER-Stop, something is wrong
When using a sealing ring on heat exchanger, what material is
used to seal off in between the floating tube sheet and test ring? -
ANSWER-Permatex
For duct bolted together there is usually some kind of - ANSWER-
gasket
If the end of a tube sheet of an exchanger has been smashed this
is caused by all of the following except - ANSWER-The partition
plate being to short
Which of the following should be removed when pressure testing
the vessel - ANSWER-relief valve
