BOILERMAKER MAINTENANCE EXAM (NCCER
EXAM) | QUESTIONS AND CORRECT ANSWERS
| GRADED A+ | LATEST VERSION | VERIFIED
ANSWERS
In the end of a tube sheet of an exchanger had been smashed this is
caused by all of the following except? ---------CORRECT ANSWER-----------
------partition plate being too short
Which of the following should be removed when pressure testing the vessel
---------CORRECT ANSWER-----------------Relief valve
All of the following are safety hazards associated with vessel confined
space except? ---------CORRECT ANSWER-----------------Improper
inspection
Valves used to relief pressure in a pipe line? ---------CORRECT ANSWER--
---------------Safety valve
What tool can be used to generate force making tightening amid loosing
easier? ---------CORRECT ANSWER-----------------Impact
Title blocks are found where? ---------CORRECT ANSWER-----------------
Bottom right corner
,Taps are used to cut what type of threads? ---------CORRECT ANSWER----
-------------Internal
Oxyfuel torch what valve must be turned off first? ---------CORRECT
ANSWER-----------------Acetylene
What does SWL stand for? ---------CORRECT ANSWER-----------------Safe
working load
When tighten up a manway or tower that has 1" 1/4 by 8" stud bolts what
size wrench should you use? ---------CORRECT ANSWER-----------------2"
What valve can start and stop without regulating flow? ---------CORRECT
ANSWER-----------------Gate valve
What valve can start & stop & WILL regulate flow? ---------CORRECT
ANSWER-----------------Globe valve
Why should boilermakers crack the cylinder valve before connecting the
regulator to the oxyacetylene cylinder ---------CORRECT ANSWER-----------
------To clean the cylinder valve of foreign matter
How many people can tie off to a vertical lifeline ---------CORRECT
ANSWER-----------------1
,Where should the wire plate be installed ---------CORRECT ANSWER--------
---------Top of the trays
What can replace a shackle pin ---------CORRECT ANSWER-----------------
Nothing
What are lifting lugs ---------CORRECT ANSWER-----------------Eyelets
welded to a steel plate for lifting
What is dog plate used for ---------CORRECT ANSWER-----------------Buffers
to align vertical plates
What is the proper way to attatchl 2 slings together ---------CORRECT
ANSWER-----------------Shackle
What characteristic must be checked before a gasket is installed ---------
CORRECT ANSWER-----------------Material
How should you determine the proper size gasket should be put in a set of
flanges ---------CORRECT ANSWER-----------------Size and rating stamped
on flange
Where can the pass partition of an exchanger be found ---------CORRECT
ANSWER-----------------Channel head
, The most commonly used wrench size for tray work is ---------CORRECT
ANSWER-----------------9/16
Most common rigging hardware ---------CORRECT ANSWER-----------------
Eye bolts
Which of the following tools is used to shape a tube to fit a penetration ------
---CORRECT ANSWER-----------------Tube roller
Which of the following is a typical characteristic of a yoke vice ---------
CORRECT ANSWER-----------------They are hinged to open vertically
Insulation should be assumed to be asbestos if ---------CORRECT
ANSWER-----------------It is not marked otherwise
Plumb means ---------CORRECT ANSWER-----------------Vertically aligned
In the top and bottom of an acetylene cylinder are safety plugs with a
melting point of ---------CORRECT ANSWER-----------------220 degrees
A gasket that has holes is a ---------CORRECT ANSWER-----------------Full
face gasket
EXAM) | QUESTIONS AND CORRECT ANSWERS
| GRADED A+ | LATEST VERSION | VERIFIED
ANSWERS
In the end of a tube sheet of an exchanger had been smashed this is
caused by all of the following except? ---------CORRECT ANSWER-----------
------partition plate being too short
Which of the following should be removed when pressure testing the vessel
---------CORRECT ANSWER-----------------Relief valve
All of the following are safety hazards associated with vessel confined
space except? ---------CORRECT ANSWER-----------------Improper
inspection
Valves used to relief pressure in a pipe line? ---------CORRECT ANSWER--
---------------Safety valve
What tool can be used to generate force making tightening amid loosing
easier? ---------CORRECT ANSWER-----------------Impact
Title blocks are found where? ---------CORRECT ANSWER-----------------
Bottom right corner
,Taps are used to cut what type of threads? ---------CORRECT ANSWER----
-------------Internal
Oxyfuel torch what valve must be turned off first? ---------CORRECT
ANSWER-----------------Acetylene
What does SWL stand for? ---------CORRECT ANSWER-----------------Safe
working load
When tighten up a manway or tower that has 1" 1/4 by 8" stud bolts what
size wrench should you use? ---------CORRECT ANSWER-----------------2"
What valve can start and stop without regulating flow? ---------CORRECT
ANSWER-----------------Gate valve
What valve can start & stop & WILL regulate flow? ---------CORRECT
ANSWER-----------------Globe valve
Why should boilermakers crack the cylinder valve before connecting the
regulator to the oxyacetylene cylinder ---------CORRECT ANSWER-----------
------To clean the cylinder valve of foreign matter
How many people can tie off to a vertical lifeline ---------CORRECT
ANSWER-----------------1
,Where should the wire plate be installed ---------CORRECT ANSWER--------
---------Top of the trays
What can replace a shackle pin ---------CORRECT ANSWER-----------------
Nothing
What are lifting lugs ---------CORRECT ANSWER-----------------Eyelets
welded to a steel plate for lifting
What is dog plate used for ---------CORRECT ANSWER-----------------Buffers
to align vertical plates
What is the proper way to attatchl 2 slings together ---------CORRECT
ANSWER-----------------Shackle
What characteristic must be checked before a gasket is installed ---------
CORRECT ANSWER-----------------Material
How should you determine the proper size gasket should be put in a set of
flanges ---------CORRECT ANSWER-----------------Size and rating stamped
on flange
Where can the pass partition of an exchanger be found ---------CORRECT
ANSWER-----------------Channel head
, The most commonly used wrench size for tray work is ---------CORRECT
ANSWER-----------------9/16
Most common rigging hardware ---------CORRECT ANSWER-----------------
Eye bolts
Which of the following tools is used to shape a tube to fit a penetration ------
---CORRECT ANSWER-----------------Tube roller
Which of the following is a typical characteristic of a yoke vice ---------
CORRECT ANSWER-----------------They are hinged to open vertically
Insulation should be assumed to be asbestos if ---------CORRECT
ANSWER-----------------It is not marked otherwise
Plumb means ---------CORRECT ANSWER-----------------Vertically aligned
In the top and bottom of an acetylene cylinder are safety plugs with a
melting point of ---------CORRECT ANSWER-----------------220 degrees
A gasket that has holes is a ---------CORRECT ANSWER-----------------Full
face gasket
