NCCER Boilermaker Maintenance – Study
Questions and Answers, NCCER Craft
Training, Boilermaker Program (Practice
Exam Material)
Introduction:
This document contains a comprehensive collection of NCCER
Boilermaker Maintenance questions with correct answers,
covering core topics such as rigging, heat exchangers, valves,
gaskets, piping, safety, and oxyfuel operations. It is well suited
for exam preparation, refresher study, and on-the-job
knowledge reinforcement for NCCER boilermaker assessments.
Exam Questions and Answers:
The fitting that makes it easy to dissemble threaded pipe is ---
Correct Answer---Union
What type of wrench measures how much a fastener is being
tightened ---Correct Answer---Torque
,What is the purpose of a gasket? ---Correct Answer---to create
a seal between 2 stationary parts
What is the first consideration when making a gasket ---
Correct 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 ---Correct Answer---
drift pin
ring gaskets may be affected by all of the following except ---
Correct Answer---Number of bolts
Which way should the teeth face on a hacksaw blade ---Correct
Answer---Away from handle
Pressure of a 1" and 10" pipe when both are 20" tall ---Correct
Answer---The pressure is both the same
When making a threaded connection and it stops on 2nd
thread.... ---Correct 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? ---Correct Answer---Permatex
For duct bolted together there is usually some kind of ---
Correct Answer---gasket
If the end of a tube sheet of an exchanger has been smashed
this is caused by all of the following except ---Correct Answer-
--The partition plate being to short
Which of the following should be removed when pressure
testing the vessel ---Correct Answer---relief valve
What components are attached to the baffle on an exchanger
tube bundle ---Correct Answer---Tie rods
All of the following are safety hazards associated with vessel
confined space except ---Correct Answer---improper
inspection
Valves used to relieve pressure in a pipeline ---Correct
Answer---safety valve
Questions and Answers, NCCER Craft
Training, Boilermaker Program (Practice
Exam Material)
Introduction:
This document contains a comprehensive collection of NCCER
Boilermaker Maintenance questions with correct answers,
covering core topics such as rigging, heat exchangers, valves,
gaskets, piping, safety, and oxyfuel operations. It is well suited
for exam preparation, refresher study, and on-the-job
knowledge reinforcement for NCCER boilermaker assessments.
Exam Questions and Answers:
The fitting that makes it easy to dissemble threaded pipe is ---
Correct Answer---Union
What type of wrench measures how much a fastener is being
tightened ---Correct Answer---Torque
,What is the purpose of a gasket? ---Correct Answer---to create
a seal between 2 stationary parts
What is the first consideration when making a gasket ---
Correct 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 ---Correct Answer---
drift pin
ring gaskets may be affected by all of the following except ---
Correct Answer---Number of bolts
Which way should the teeth face on a hacksaw blade ---Correct
Answer---Away from handle
Pressure of a 1" and 10" pipe when both are 20" tall ---Correct
Answer---The pressure is both the same
When making a threaded connection and it stops on 2nd
thread.... ---Correct 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? ---Correct Answer---Permatex
For duct bolted together there is usually some kind of ---
Correct Answer---gasket
If the end of a tube sheet of an exchanger has been smashed
this is caused by all of the following except ---Correct Answer-
--The partition plate being to short
Which of the following should be removed when pressure
testing the vessel ---Correct Answer---relief valve
What components are attached to the baffle on an exchanger
tube bundle ---Correct Answer---Tie rods
All of the following are safety hazards associated with vessel
confined space except ---Correct Answer---improper
inspection
Valves used to relieve pressure in a pipeline ---Correct
Answer---safety valve
