Rhode Island Master Pipefitter
(2025-2026) Exam with Correct
Verified Answers Graded A+
Welder will get full penetration of first pass
What is the purpose of the 1/8" root spacing on butt weld fitting?
22 1/2 degrees
What angle do you cut the pipe for a 3-piece elbow?
Change the range of variable type
What is the purpose of a transformer?
True
Can smaller size pipe sometimes be used by using a larger size
pump?
True
A pipe saddle is used to protect the pipe insulation from damage?
AC/DC
At what current is a 60-11 weld rod used?
Concentric Reducer, Reducing Tee, Reducing Elbow
Name 3 weld reducing fittings.
1.41 x run
What formula do you use on a 45% offset?
To prevent a boiler from draining out
What is the purpose of a Hartford Loop?
False
Turbulence in a heat exchanger or thermal converter increase the
heat.
Gate Valve
In a horizontal positioned drain line what is the proper valve?
False
A flared joint and a compression joint are the same.
Thermocouple
In a gas system a safety valve responds to a
High Pressure
In a gas system when is welded pipe preferred over threaded pipe?
, 1 1/2 the diameter
From the end of the fitting to centerline what is the measurement of a
STD (long Radius) 90-degree weld elbow?
Diameter X 3.14
To find the circumference of a pipe
1/16
The space from end of pipe to shoulder of socket weld fitting is
Feed water side against bottom of seat
Locate a globe valve in a feed water system
Too much heat/wrong polarity
What causes excessive weld spatter?
Protect insulation
Why is a saddle installed on a pipe?
Top of Boiler
Where is the pressure gauge on a boiler?
Siphon
What is between pressure gauge and piping?
True
When threading a pipe, the pipe should be reamed before threading is
started.
True
The O.D. of pipe stands for outside diameter and the I.D. stands for
inside diameter.
False
All pipe sizes have the same wall thickness.
False
It is not necessary to check the position of the bolt holes on a set of
companion flanges when making a flange joint connection.
False
A ring gasket must have the bolt holes to match the bolt hole in the
flange connection.
False
A compression joint is also known as a flared joint.
True
A welded joint is superior to a screw joint.
True
Gate valves, as a rule, should be either fully open or fully closed.
False
A globe valve has very little resistance to flow.
False
(2025-2026) Exam with Correct
Verified Answers Graded A+
Welder will get full penetration of first pass
What is the purpose of the 1/8" root spacing on butt weld fitting?
22 1/2 degrees
What angle do you cut the pipe for a 3-piece elbow?
Change the range of variable type
What is the purpose of a transformer?
True
Can smaller size pipe sometimes be used by using a larger size
pump?
True
A pipe saddle is used to protect the pipe insulation from damage?
AC/DC
At what current is a 60-11 weld rod used?
Concentric Reducer, Reducing Tee, Reducing Elbow
Name 3 weld reducing fittings.
1.41 x run
What formula do you use on a 45% offset?
To prevent a boiler from draining out
What is the purpose of a Hartford Loop?
False
Turbulence in a heat exchanger or thermal converter increase the
heat.
Gate Valve
In a horizontal positioned drain line what is the proper valve?
False
A flared joint and a compression joint are the same.
Thermocouple
In a gas system a safety valve responds to a
High Pressure
In a gas system when is welded pipe preferred over threaded pipe?
, 1 1/2 the diameter
From the end of the fitting to centerline what is the measurement of a
STD (long Radius) 90-degree weld elbow?
Diameter X 3.14
To find the circumference of a pipe
1/16
The space from end of pipe to shoulder of socket weld fitting is
Feed water side against bottom of seat
Locate a globe valve in a feed water system
Too much heat/wrong polarity
What causes excessive weld spatter?
Protect insulation
Why is a saddle installed on a pipe?
Top of Boiler
Where is the pressure gauge on a boiler?
Siphon
What is between pressure gauge and piping?
True
When threading a pipe, the pipe should be reamed before threading is
started.
True
The O.D. of pipe stands for outside diameter and the I.D. stands for
inside diameter.
False
All pipe sizes have the same wall thickness.
False
It is not necessary to check the position of the bolt holes on a set of
companion flanges when making a flange joint connection.
False
A ring gasket must have the bolt holes to match the bolt hole in the
flange connection.
False
A compression joint is also known as a flared joint.
True
A welded joint is superior to a screw joint.
True
Gate valves, as a rule, should be either fully open or fully closed.
False
A globe valve has very little resistance to flow.
False
