MASSACHUSETTS JOURNEYMAN PIPEFITTER
LICENSE EXAM 2025 WITH 500 REAL EXAM
QUESTIONS AND CORRECT ANSWERS/
JOURNEYMAN PIPEFITTER TEST MA (BRAND NEW!)
A Massachusetts pipefitting license is required to work on heating systems with a
BTU heat input greater than - ANSWER-700,000 btu
The Pipefitter license is governed by chapter 146 of MGL the section of this law is
section what - ANSWER-81
If you wanted to know the installation requirements for control devices for
automatically fired boilers, you would read which one of the following
Massachusetts regulations? - ANSWER-522 CMR 16
When is a Pipefitter license required and under what law - ANSWER-Anything
over 700,000 BTU (522) CMR
High Pressure Pipe Welding and Welders must be qualified to which section of the
ASME code? - ANSWER-9
Which stamp is required for the assembly of high pressure boilers? - ANSWER-A
Stamp
When piping low water fuel cutoff devices to a boiler, the devices must be piped to
what height in relation to the level of the gauge glass? - ANSWER-Lowest visible
part of the water gauge glass
pg. 1
,The ASME Boiler and Pressure vessel code is law in Massachusetts. When
installing a high pressure boiler, you will refer to which ASME code section? -
ANSWER-1
ASME Power Piping Code requires that when the boiler steam outlet is over what
size NPS an OS&Y valve shall be used. - ANSWER-2"
ASME B31.1 Power Piping Code, Part 6, boiler external piping, requires the
attachment of slip-on flanges shall be by what type welds? - ANSWER-Double
Fillet
You are piping a low pressure steam cast iron boiler requiring 2 low water cut-off
controls. The boiler only has one set of 1" equalizing tapping's for a combination
low water cut-off pump controller. You must also install an auxiliary low water
cut-off with manual reset. Which of the following alternatives is the most
acceptable installation application for the auxiliary low water cut-off? - ANSWER-
Install the device in the tapped openings available for attaching the water gauge
glass direct to the boiler using 1/2" non-ferrous tee's or Y's.
The return pipe connections of each boiler supplying a gravity return steam heating
system shall be so arranged as to form a loop so that the water in each boiler
cannot be forced below the safe water level. This loop is most commonly known as
a ________________. - ANSWER-Hartford Steam Loop
Steam safety valves may be installed on the steam pipes between the boiler drum
and the inlet to the superheater, provided that the steam main between the boiler
and points where a safety valve or valves may be attached has a cross-sectional
area at least how many times the combined areas of the inlet connections to the
safety valves applied to it. - ANSWER-3 1/2
pg. 2
,The safety valve or safety relief valve or valves shall be connected to the boiler
independently of any other connection, and attached as close as possible to the
boiler or the normal steam flow path, without any unnecessary intervening pipe or
fitting. Such intervening pipe or fitting shall not be longer
than__________________. - ANSWER-face to face dimension of the
corresponding tee fitting of the same diameter and pressure
The discharge outlet of a safety valve must - ANSWER-Be as short and straight as
possible and arranged to avoid stress on the pipe
An altitude gauge is required on a hot water supply boiler when the altitude is more
than how many feet - ANSWER-20
The most appropriate valve application for a surface blow down system would be
what valve - ANSWER-Meter valve
a safety valve over 3" and over 15 psig shall have what type of inlet connection? -
ANSWER-flanged or welded
The appropriate valve application for a boiler blow off valve on a high pressure
boiler is a - ANSWER-Y- Type Globe Valve
Which form of Safety Valve mounting is not permissible in the Heating Boiler
Code? - ANSWER-To an internal pipe in the boiler
Which is true regarding a boiler water column - ANSWER-Reduces the turbulence
of the water to give a more accurate reading in the gauge glass
Two Low Water cut-offs are required on a steam heating boiler when - ANSWER-
The Boiler has pumped condensate returns and has an input over 200,000 BTU
pg. 3
, A 3/4 blow off may be used on a high pressure boiler if the boiler heating surface
is less than how many square feet on the heating surface - ANSWER-100'
Which device shall cause a safety shutdown (lockout) requiring a manual reset -
ANSWER-Auxiliary low water cut-off with a manual reset
The required boiler feedwater stop valve on a high pressure boiler is located
between what - ANSWER-The boiler and the check valve
The return pipe connections of each boiler supplying a gravity return steam heating
system shall be so arranged as to form a loop so that the water in each boiler
cannot be forced out below the safe water level. This loop is most commonly
known as - ANSWER-The Hartford steam loop
When are steam valves required - ANSWER-Each boiler outlet
The bourdon tube of a steam pressure gauge must be protected by - ANSWER-
Loop seal, siphon, pigtail
What is the minimum size of the drain pipe and the blow off valve required on a
low water cutoff that has a separate float chamber - ANSWER-3/4"
The valve that offers the least resistance to flow is what - ANSWER-Gate Valve
What type of fitting must be placed in the water piping connection at every right
angle to facilitate cleaning and inspection of a water column of low water cutoff -
ANSWER-Cross fitting
pg. 4
LICENSE EXAM 2025 WITH 500 REAL EXAM
QUESTIONS AND CORRECT ANSWERS/
JOURNEYMAN PIPEFITTER TEST MA (BRAND NEW!)
A Massachusetts pipefitting license is required to work on heating systems with a
BTU heat input greater than - ANSWER-700,000 btu
The Pipefitter license is governed by chapter 146 of MGL the section of this law is
section what - ANSWER-81
If you wanted to know the installation requirements for control devices for
automatically fired boilers, you would read which one of the following
Massachusetts regulations? - ANSWER-522 CMR 16
When is a Pipefitter license required and under what law - ANSWER-Anything
over 700,000 BTU (522) CMR
High Pressure Pipe Welding and Welders must be qualified to which section of the
ASME code? - ANSWER-9
Which stamp is required for the assembly of high pressure boilers? - ANSWER-A
Stamp
When piping low water fuel cutoff devices to a boiler, the devices must be piped to
what height in relation to the level of the gauge glass? - ANSWER-Lowest visible
part of the water gauge glass
pg. 1
,The ASME Boiler and Pressure vessel code is law in Massachusetts. When
installing a high pressure boiler, you will refer to which ASME code section? -
ANSWER-1
ASME Power Piping Code requires that when the boiler steam outlet is over what
size NPS an OS&Y valve shall be used. - ANSWER-2"
ASME B31.1 Power Piping Code, Part 6, boiler external piping, requires the
attachment of slip-on flanges shall be by what type welds? - ANSWER-Double
Fillet
You are piping a low pressure steam cast iron boiler requiring 2 low water cut-off
controls. The boiler only has one set of 1" equalizing tapping's for a combination
low water cut-off pump controller. You must also install an auxiliary low water
cut-off with manual reset. Which of the following alternatives is the most
acceptable installation application for the auxiliary low water cut-off? - ANSWER-
Install the device in the tapped openings available for attaching the water gauge
glass direct to the boiler using 1/2" non-ferrous tee's or Y's.
The return pipe connections of each boiler supplying a gravity return steam heating
system shall be so arranged as to form a loop so that the water in each boiler
cannot be forced below the safe water level. This loop is most commonly known as
a ________________. - ANSWER-Hartford Steam Loop
Steam safety valves may be installed on the steam pipes between the boiler drum
and the inlet to the superheater, provided that the steam main between the boiler
and points where a safety valve or valves may be attached has a cross-sectional
area at least how many times the combined areas of the inlet connections to the
safety valves applied to it. - ANSWER-3 1/2
pg. 2
,The safety valve or safety relief valve or valves shall be connected to the boiler
independently of any other connection, and attached as close as possible to the
boiler or the normal steam flow path, without any unnecessary intervening pipe or
fitting. Such intervening pipe or fitting shall not be longer
than__________________. - ANSWER-face to face dimension of the
corresponding tee fitting of the same diameter and pressure
The discharge outlet of a safety valve must - ANSWER-Be as short and straight as
possible and arranged to avoid stress on the pipe
An altitude gauge is required on a hot water supply boiler when the altitude is more
than how many feet - ANSWER-20
The most appropriate valve application for a surface blow down system would be
what valve - ANSWER-Meter valve
a safety valve over 3" and over 15 psig shall have what type of inlet connection? -
ANSWER-flanged or welded
The appropriate valve application for a boiler blow off valve on a high pressure
boiler is a - ANSWER-Y- Type Globe Valve
Which form of Safety Valve mounting is not permissible in the Heating Boiler
Code? - ANSWER-To an internal pipe in the boiler
Which is true regarding a boiler water column - ANSWER-Reduces the turbulence
of the water to give a more accurate reading in the gauge glass
Two Low Water cut-offs are required on a steam heating boiler when - ANSWER-
The Boiler has pumped condensate returns and has an input over 200,000 BTU
pg. 3
, A 3/4 blow off may be used on a high pressure boiler if the boiler heating surface
is less than how many square feet on the heating surface - ANSWER-100'
Which device shall cause a safety shutdown (lockout) requiring a manual reset -
ANSWER-Auxiliary low water cut-off with a manual reset
The required boiler feedwater stop valve on a high pressure boiler is located
between what - ANSWER-The boiler and the check valve
The return pipe connections of each boiler supplying a gravity return steam heating
system shall be so arranged as to form a loop so that the water in each boiler
cannot be forced out below the safe water level. This loop is most commonly
known as - ANSWER-The Hartford steam loop
When are steam valves required - ANSWER-Each boiler outlet
The bourdon tube of a steam pressure gauge must be protected by - ANSWER-
Loop seal, siphon, pigtail
What is the minimum size of the drain pipe and the blow off valve required on a
low water cutoff that has a separate float chamber - ANSWER-3/4"
The valve that offers the least resistance to flow is what - ANSWER-Gate Valve
What type of fitting must be placed in the water piping connection at every right
angle to facilitate cleaning and inspection of a water column of low water cutoff -
ANSWER-Cross fitting
pg. 4
