8/10/25, 7:45 AM CLASS 5 BOILER TEST STUDY GUIDE EXAM Questions & Answers | 100% Verified solutions | 2025\2026 Latest!! Flashcards | Q…
CLASS 5 BOILER TEST STUDY GUIDE EXAM
Questions & Answers | 100% Verified solutions |
2025\2026 Latest!!
Save
Terms in this set (710)
branch connections to is the angle of insertion what the code allows
piping systems "made in does the connection require reinforcement
the field" and are of did the engineer approve it
welded assembly being of
pipe to pipe require what
considerations...
B31.1 Power Piping - High Pressure Steam - over 15 psi
B31.9 Building Services - Low Pressure Steam - under 15 psi
B31.5 Refrigeration Code
Normal Fluid Systems - Catagory M - co-ax
B31.3
sleeves/permit required
DCEN Direct Current Electrode Negative (TIG)
DCEP Direct Current Electrode Positive (Stick)
Formula for circumference pi x diameter
A friction lighter is a striker True
What type of fitting is Crosses
installed at every right
angle?
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,8/10/25, 7:45 AM CLASS 5 BOILER TEST STUDY GUIDE EXAM Questions & Answers | 100% Verified solutions | 2025\2026 Latest!! Flashcards | Q…
The included angle of a 60 degrees
center punch is:
example of "Place of College campus
Public Assembly"
What is the minimum size 1"
pipe allowed on a control
loop of a steam boiler?
Inspection of Catagory M True
piping is not required by a
state inspector, if the
authorized owner
representative performs
the inspection...
The Chief Inspector may Private Residences
enter all buildings at
reasonable hours for
inspections, except:
When there are two blow One quick opening and one slow opening
down valves they will be
which type?
Which of the following is vessels in storage - those of a federal agency -
an example of vessels Hydronic in a private residence
exempt from annual
inspection?
The place on an isometric Bill of Material
drawing which shows the
components being used is
called:
Brazing is covered under IX (nine)
ASME section
When cutting pipe with BEFORE cutting
heat number, transfer the
number....
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,8/10/25, 7:45 AM CLASS 5 BOILER TEST STUDY GUIDE EXAM Questions & Answers | 100% Verified solutions | 2025\2026 Latest!! Flashcards | Q…
The letter "F", in A53F pipe Furnace Welded
stands for:
Repair permits are issued Licensed contractor doing the work
to the:
Adding a pipe branch by The need for reinforcements has been calculated
means of welding is
allowed if...
Under B31.5, pipe larger 2"
than what size is covered?
When welding stainless Nickel and Chromium
steel, what are the
potentially dangerous
oxides that are produced?
What extinguishing agent Water
is used in Class A fires?
Medical sterilized smaller 1 1/2 cu. ft.
than ______cu. ft. are
exempt?
There is a $1,000 fine for True
anyone working, without a
license, on pressure
piping.
Pool boilers are exempt the burner is wired in series with the pump
if......
What class of fire is Class D
burning magnesium?
Refrigerant or a/c units 3
containing _____ cu. ft. or
less of non-corrosive
gases are exempt.
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, 8/10/25, 7:45 AM CLASS 5 BOILER TEST STUDY GUIDE EXAM Questions & Answers | 100% Verified solutions | 2025\2026 Latest!! Flashcards | Q…
Pressure relief devices ASME (American Society of Mechanical Engineers)
must be approved by
what agency?
When hydro testing NBEP 1 1/2
(Non-Boiler External
Piping), it must be off from
the boiler and tested at
how many times the
operating pressure?
When securing wire rope, Saddle on live end
the clips are applied:
**A stop valve CANNOT TRUE
be installed btwn the
boiler and the relief
valve....
When the weld symbol is Weld on the other sider
on the top of the welding
symbol (arrow), it means ...
What type of stuffing box Lantern type rigging
is used on high
pressure/temp. valve?
If you hold a Class IV or class VI
Class V license, you are
allowed to supervise ....
Under B31.5, A1 and B1 True
refrigerant is classified by
its toxicity and
flammability.
How many automatic low- Two
water fuel cutoff devices
shall there be on each
automatically fired high-
pressure steam boilers?
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CLASS 5 BOILER TEST STUDY GUIDE EXAM
Questions & Answers | 100% Verified solutions |
2025\2026 Latest!!
Save
Terms in this set (710)
branch connections to is the angle of insertion what the code allows
piping systems "made in does the connection require reinforcement
the field" and are of did the engineer approve it
welded assembly being of
pipe to pipe require what
considerations...
B31.1 Power Piping - High Pressure Steam - over 15 psi
B31.9 Building Services - Low Pressure Steam - under 15 psi
B31.5 Refrigeration Code
Normal Fluid Systems - Catagory M - co-ax
B31.3
sleeves/permit required
DCEN Direct Current Electrode Negative (TIG)
DCEP Direct Current Electrode Positive (Stick)
Formula for circumference pi x diameter
A friction lighter is a striker True
What type of fitting is Crosses
installed at every right
angle?
https://quizlet.com/1064826842/class-5-boiler-test-study-guide-exam-questions-answers-100-verified-solutions-20252026-latest-flash-cards/?new 1/82
,8/10/25, 7:45 AM CLASS 5 BOILER TEST STUDY GUIDE EXAM Questions & Answers | 100% Verified solutions | 2025\2026 Latest!! Flashcards | Q…
The included angle of a 60 degrees
center punch is:
example of "Place of College campus
Public Assembly"
What is the minimum size 1"
pipe allowed on a control
loop of a steam boiler?
Inspection of Catagory M True
piping is not required by a
state inspector, if the
authorized owner
representative performs
the inspection...
The Chief Inspector may Private Residences
enter all buildings at
reasonable hours for
inspections, except:
When there are two blow One quick opening and one slow opening
down valves they will be
which type?
Which of the following is vessels in storage - those of a federal agency -
an example of vessels Hydronic in a private residence
exempt from annual
inspection?
The place on an isometric Bill of Material
drawing which shows the
components being used is
called:
Brazing is covered under IX (nine)
ASME section
When cutting pipe with BEFORE cutting
heat number, transfer the
number....
https://quizlet.com/1064826842/class-5-boiler-test-study-guide-exam-questions-answers-100-verified-solutions-20252026-latest-flash-cards/?new 2/82
,8/10/25, 7:45 AM CLASS 5 BOILER TEST STUDY GUIDE EXAM Questions & Answers | 100% Verified solutions | 2025\2026 Latest!! Flashcards | Q…
The letter "F", in A53F pipe Furnace Welded
stands for:
Repair permits are issued Licensed contractor doing the work
to the:
Adding a pipe branch by The need for reinforcements has been calculated
means of welding is
allowed if...
Under B31.5, pipe larger 2"
than what size is covered?
When welding stainless Nickel and Chromium
steel, what are the
potentially dangerous
oxides that are produced?
What extinguishing agent Water
is used in Class A fires?
Medical sterilized smaller 1 1/2 cu. ft.
than ______cu. ft. are
exempt?
There is a $1,000 fine for True
anyone working, without a
license, on pressure
piping.
Pool boilers are exempt the burner is wired in series with the pump
if......
What class of fire is Class D
burning magnesium?
Refrigerant or a/c units 3
containing _____ cu. ft. or
less of non-corrosive
gases are exempt.
https://quizlet.com/1064826842/class-5-boiler-test-study-guide-exam-questions-answers-100-verified-solutions-20252026-latest-flash-cards/?new 3/82
, 8/10/25, 7:45 AM CLASS 5 BOILER TEST STUDY GUIDE EXAM Questions & Answers | 100% Verified solutions | 2025\2026 Latest!! Flashcards | Q…
Pressure relief devices ASME (American Society of Mechanical Engineers)
must be approved by
what agency?
When hydro testing NBEP 1 1/2
(Non-Boiler External
Piping), it must be off from
the boiler and tested at
how many times the
operating pressure?
When securing wire rope, Saddle on live end
the clips are applied:
**A stop valve CANNOT TRUE
be installed btwn the
boiler and the relief
valve....
When the weld symbol is Weld on the other sider
on the top of the welding
symbol (arrow), it means ...
What type of stuffing box Lantern type rigging
is used on high
pressure/temp. valve?
If you hold a Class IV or class VI
Class V license, you are
allowed to supervise ....
Under B31.5, A1 and B1 True
refrigerant is classified by
its toxicity and
flammability.
How many automatic low- Two
water fuel cutoff devices
shall there be on each
automatically fired high-
pressure steam boilers?
https://quizlet.com/1064826842/class-5-boiler-test-study-guide-exam-questions-answers-100-verified-solutions-20252026-latest-flash-cards/?new 4/82
