MASSACHUSETTS JOURNEYMAN PIPEFITTER EXAM
SCRIPT 2025/2026 QUESTIONS WITH ANSWERS GRADED
A+
✔✔When a high pressure boiler plant only has one boiler which statement would be
true - ✔✔An automatic non-return valve is not necessary
✔✔What is mandatory to have installed on a separate connection on a hot water
heating boiler - ✔✔Thermometer
✔✔12 boiler stop valves are required on a high pressure boiler what shall be required -
✔✔Stop check free flow gate valve
✔✔What cast iron item is not allowed on a high-pressure boiler - ✔✔Nozzles and
flanges
✔✔When piping up a boiler gauge glass to a water tube boiler the lowest visible part of
the water gauge glass shall be at least how many inches above the lowest permissible
water level - ✔✔2"
✔✔The a SME high-pressure boiler code limits the use of nonferrous valves what is the
temperature limitation for a 150 psi class bronze threaded gate valve - ✔✔406 degrees
✔✔Gauge glass drains she'll have an unrestricted drain opening of not less than -
✔✔1/4"
✔✔When two or more high pressure boilers are connected to a common steam heater
the connection from each boiler having a manhole opening shall be fitted with - ✔✔2
stop check valves located close to the boiler
✔✔For high pressure boilers having a water heating surface of more than 100 ft.² of
heating surface the feed connection to the boiler shall not be smaller than white pipe
size - ✔✔3/4"
✔✔ASME B31.3 Power piping code limits the size of slip on flanges to be used for
boiler external piping this size limitation is white pipe size in diameter - ✔✔4 inches
✔✔A slow opening Valve requires how many complete turns to be fully opened or
closed - ✔✔5. 360 degree turns
✔✔The a SME power piping code B311 limits the size of a NSI class 600 socket welded
flanges for use in boiler external piping what is the maximum size limitation - ✔✔3"
, ✔✔According to the a SME high pressure boiler code a boiler that has more than how
many square feet of heating surface must have two or more safety valves - ✔✔500 ft.²
✔✔ASMED311 power piping code part six boiler external piping requiring the
attachment of slip on flanges shall be by what type of welds - ✔✔Double fillet welds
✔✔The steam and water connections to a water column or water gauge glass on a high
pressure boiler shall be such that they - ✔✔Readily accessible for internal cleaning and
inspection
✔✔ASMEB311 power piping code requires that boiler blow off fittings shall be steel and
the thickness of the pipe and fittings shall not be less than that of schedule 80 pipe
when the boiler pressure exceeds white pressure - ✔✔100 psig
✔✔Shut off valves shall not be used in the pipe connections between a boiler and a
water column unless they are white tape valves (which must be locked and sealed
open) - ✔✔Outside screw and yolk or lever lifting type gate valves
✔✔The a SME power piping code requires that one the boiler steam outlet is over white
size NPS & OSY valve shall be used - ✔✔2"
✔✔The bottom blowoff line of a high-pressure water tube boiler is connected to where
on the boiler - ✔✔Mud drum
✔✔Which valve is not appropriate as a boiler steam outlet valve on a high-pressure
boiler - ✔✔Ball valve
✔✔The size of bottom blow down lines can be reduced under what conditions -
✔✔They cannot be reduced
✔✔Whenever a high pressure boiler is installed what code will you be required to follow
for pressure piping - ✔✔B31.1
✔✔The safety valve or safety relief valve or valves shall be connected to the boiler
independent 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 - ✔✔The face to face dimension of a
corresponding tee fitting of the same diameter and pressure
✔✔The a SME boiler and pressure vessel code law in Massachusetts when installing a
high pressure boiler you will refer to which ASME code section - ✔✔B31.1
SCRIPT 2025/2026 QUESTIONS WITH ANSWERS GRADED
A+
✔✔When a high pressure boiler plant only has one boiler which statement would be
true - ✔✔An automatic non-return valve is not necessary
✔✔What is mandatory to have installed on a separate connection on a hot water
heating boiler - ✔✔Thermometer
✔✔12 boiler stop valves are required on a high pressure boiler what shall be required -
✔✔Stop check free flow gate valve
✔✔What cast iron item is not allowed on a high-pressure boiler - ✔✔Nozzles and
flanges
✔✔When piping up a boiler gauge glass to a water tube boiler the lowest visible part of
the water gauge glass shall be at least how many inches above the lowest permissible
water level - ✔✔2"
✔✔The a SME high-pressure boiler code limits the use of nonferrous valves what is the
temperature limitation for a 150 psi class bronze threaded gate valve - ✔✔406 degrees
✔✔Gauge glass drains she'll have an unrestricted drain opening of not less than -
✔✔1/4"
✔✔When two or more high pressure boilers are connected to a common steam heater
the connection from each boiler having a manhole opening shall be fitted with - ✔✔2
stop check valves located close to the boiler
✔✔For high pressure boilers having a water heating surface of more than 100 ft.² of
heating surface the feed connection to the boiler shall not be smaller than white pipe
size - ✔✔3/4"
✔✔ASME B31.3 Power piping code limits the size of slip on flanges to be used for
boiler external piping this size limitation is white pipe size in diameter - ✔✔4 inches
✔✔A slow opening Valve requires how many complete turns to be fully opened or
closed - ✔✔5. 360 degree turns
✔✔The a SME power piping code B311 limits the size of a NSI class 600 socket welded
flanges for use in boiler external piping what is the maximum size limitation - ✔✔3"
, ✔✔According to the a SME high pressure boiler code a boiler that has more than how
many square feet of heating surface must have two or more safety valves - ✔✔500 ft.²
✔✔ASMED311 power piping code part six boiler external piping requiring the
attachment of slip on flanges shall be by what type of welds - ✔✔Double fillet welds
✔✔The steam and water connections to a water column or water gauge glass on a high
pressure boiler shall be such that they - ✔✔Readily accessible for internal cleaning and
inspection
✔✔ASMEB311 power piping code requires that boiler blow off fittings shall be steel and
the thickness of the pipe and fittings shall not be less than that of schedule 80 pipe
when the boiler pressure exceeds white pressure - ✔✔100 psig
✔✔Shut off valves shall not be used in the pipe connections between a boiler and a
water column unless they are white tape valves (which must be locked and sealed
open) - ✔✔Outside screw and yolk or lever lifting type gate valves
✔✔The a SME power piping code requires that one the boiler steam outlet is over white
size NPS & OSY valve shall be used - ✔✔2"
✔✔The bottom blowoff line of a high-pressure water tube boiler is connected to where
on the boiler - ✔✔Mud drum
✔✔Which valve is not appropriate as a boiler steam outlet valve on a high-pressure
boiler - ✔✔Ball valve
✔✔The size of bottom blow down lines can be reduced under what conditions -
✔✔They cannot be reduced
✔✔Whenever a high pressure boiler is installed what code will you be required to follow
for pressure piping - ✔✔B31.1
✔✔The safety valve or safety relief valve or valves shall be connected to the boiler
independent 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 - ✔✔The face to face dimension of a
corresponding tee fitting of the same diameter and pressure
✔✔The a SME boiler and pressure vessel code law in Massachusetts when installing a
high pressure boiler you will refer to which ASME code section - ✔✔B31.1
