Rhode Island Master Pipefitter Exam with
answers 2025
What is the purpose of the 1/8" root spacing on butt weld fitting? - **🔰 VERIFIED
ANSWERS🔰 ✔✔Welder will get full penetration of first pass
What angle do you cut the pipe for a 3 piece elbow? - **🔰 VERIFIED ANSWERS🔰 ✔✔22
1/2 degrees
What is the purpose of a transformer? - **🔰 VERIFIED ANSWERS🔰 ✔✔Change the
range of variable type
Can smaller size pipe sometimes be used by using a larger size pump? - **🔰 VERIFIED
ANSWERS🔰 ✔✔True
A pipe saddle is used to protect the pipe insulation from damage? - **🔰 VERIFIED
ANSWERS🔰 ✔✔True
At what current is a 60-11 weld rod used? - **🔰 VERIFIED ANSWERS🔰 ✔✔AC/DC
Name 3 weld reducing fittings. - **🔰 VERIFIED ANSWERS🔰 ✔✔Concentric Reducer,
Reducing Tee, Reducing Elbow
What formula do you use on a 45% offset? - **🔰 VERIFIED ANSWERS🔰 ✔✔1.41 x run
What is the purpose of a Hartford Loop? - **🔰 VERIFIED ANSWERS🔰 ✔✔To prevent a
boiler from draining out
, Turbulence in a heat exchanger or thermal converter increase the heat. - **🔰 VERIFIED
ANSWERS🔰 ✔✔False
In a horizontal positioned drain line what is the proper valve? - **🔰 VERIFIED
ANSWERS🔰 ✔✔Gate Valve
A flared joint and a compression joint are the same. - **🔰 VERIFIED ANSWERS🔰
✔✔False
In a gas system a safety valve responds to a - **🔰 VERIFIED ANSWERS🔰
✔✔Thermocouple
In a gas system when is welded pipe preferred over threaded pipe? - **🔰 VERIFIED
ANSWERS🔰 ✔✔High Pressure
From the end of the fitting to centerline what is the measurement of a STD (long Radius) 90
degree weld elbow? - **🔰 VERIFIED ANSWERS🔰 ✔✔1 1/2 the diameter
To find the circumference of a pipe - **🔰 VERIFIED ANSWERS🔰 ✔✔Diameter X 3.14
The space from end of pipe to shoulder of socket weld fitting is - **🔰 VERIFIED
ANSWERS🔰 ✔✔1/16
Locate a globe valve in a feed water system - **🔰 VERIFIED ANSWERS🔰 ✔✔Feed water
side against bottom of seat
What causes excessive weld spatter? - **🔰 VERIFIED ANSWERS🔰 ✔✔Too much
heat/wrong polarity
Why is a saddle installed on a pipe? - **🔰 VERIFIED ANSWERS🔰 ✔✔Protect insulation
answers 2025
What is the purpose of the 1/8" root spacing on butt weld fitting? - **🔰 VERIFIED
ANSWERS🔰 ✔✔Welder will get full penetration of first pass
What angle do you cut the pipe for a 3 piece elbow? - **🔰 VERIFIED ANSWERS🔰 ✔✔22
1/2 degrees
What is the purpose of a transformer? - **🔰 VERIFIED ANSWERS🔰 ✔✔Change the
range of variable type
Can smaller size pipe sometimes be used by using a larger size pump? - **🔰 VERIFIED
ANSWERS🔰 ✔✔True
A pipe saddle is used to protect the pipe insulation from damage? - **🔰 VERIFIED
ANSWERS🔰 ✔✔True
At what current is a 60-11 weld rod used? - **🔰 VERIFIED ANSWERS🔰 ✔✔AC/DC
Name 3 weld reducing fittings. - **🔰 VERIFIED ANSWERS🔰 ✔✔Concentric Reducer,
Reducing Tee, Reducing Elbow
What formula do you use on a 45% offset? - **🔰 VERIFIED ANSWERS🔰 ✔✔1.41 x run
What is the purpose of a Hartford Loop? - **🔰 VERIFIED ANSWERS🔰 ✔✔To prevent a
boiler from draining out
, Turbulence in a heat exchanger or thermal converter increase the heat. - **🔰 VERIFIED
ANSWERS🔰 ✔✔False
In a horizontal positioned drain line what is the proper valve? - **🔰 VERIFIED
ANSWERS🔰 ✔✔Gate Valve
A flared joint and a compression joint are the same. - **🔰 VERIFIED ANSWERS🔰
✔✔False
In a gas system a safety valve responds to a - **🔰 VERIFIED ANSWERS🔰
✔✔Thermocouple
In a gas system when is welded pipe preferred over threaded pipe? - **🔰 VERIFIED
ANSWERS🔰 ✔✔High Pressure
From the end of the fitting to centerline what is the measurement of a STD (long Radius) 90
degree weld elbow? - **🔰 VERIFIED ANSWERS🔰 ✔✔1 1/2 the diameter
To find the circumference of a pipe - **🔰 VERIFIED ANSWERS🔰 ✔✔Diameter X 3.14
The space from end of pipe to shoulder of socket weld fitting is - **🔰 VERIFIED
ANSWERS🔰 ✔✔1/16
Locate a globe valve in a feed water system - **🔰 VERIFIED ANSWERS🔰 ✔✔Feed water
side against bottom of seat
What causes excessive weld spatter? - **🔰 VERIFIED ANSWERS🔰 ✔✔Too much
heat/wrong polarity
Why is a saddle installed on a pipe? - **🔰 VERIFIED ANSWERS🔰 ✔✔Protect insulation
