RHODE ISLAND MASTER PIPEFITTER
EXAM (ACTUAL EXAM) WITH CORRECT
ACTUAL QUESTIONS AND CORRECTLY
WELL DEFINED ANSWERS LATEST
ALREADY GRADED A+ 2025 – 2026
Hot Water - ANSWERS-What type of heat is used for cast
iron baseboard?
1.41 - ANSWERS-The most common offset when piping is a
45 degree angle. What formula do you use to find a 45
degree angle?
1 1/2 times the diameter - ANSWERS-On a long radius elbow
what is the take-out for end of pipe to center of fitting?
Centrifugal Pump - ANSWERS-What type of pump is
normally used as a feed water pump?
,Fire Tube, Water Tube, Cast Iron Sectional - ANSWERS-Three
types of steam heating systems
True - ANSWERS-A hot water boiler is more efficient than a
steam boiler
Stem Up - ANSWERS-A globe valve on a boiler feed water
line should be installed so that:
Use of water as the heat transfer medium in heating/cooling
systems - ANSWERS-What is the definition of Hydronics?
Concentric Reducer, Reducing Tee, Reducing Elbow -
ANSWERS-Name 3 weld reducing fittings.
1.41 x run - ANSWERS-What formula do you use on a 45%
offset?
To prevent a boiler from draining out - ANSWERS-What is
the purpose of a Hartford Loop?
,False - ANSWERS-Turbulence in a heat exchanger or thermal
converter increase the heat.
Gate Valve - ANSWERS-In a horizontal positioned drain line
what is the proper valve?
False - ANSWERS-A flared joint and a compression joint are
the same.
Thermocouple - ANSWERS-In a gas system a safety valve
responds to a
High Pressure - ANSWERS-In a gas system when is welded
pipe preferred over threaded pipe?
1 1/2 the diameter - ANSWERS-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 - ANSWERS-To find the circumference of a
pipe
, 1/16 - ANSWERS-The space from end of pipe to shoulder of
socket weld fitting is
Feed water side against bottom of seat - ANSWERS-Locate a
globe valve in a feed water system
Too much heat/wrong polarity - ANSWERS-What causes
excessive weld spatter?
Protect insulation - ANSWERS-Why is a saddle installed on a
pipe?
Top of Boiler - ANSWERS-Where is the pressure gauge on a
boiler?
Siphon - ANSWERS-What is between pressure gauge and
piping?
True - ANSWERS-When threading a pipe the pipe should be
reamed before threading is started.
True - ANSWERS-The O.D. of pipe stands for outside
diameter and the I.D. stands for inside diameter.
EXAM (ACTUAL EXAM) WITH CORRECT
ACTUAL QUESTIONS AND CORRECTLY
WELL DEFINED ANSWERS LATEST
ALREADY GRADED A+ 2025 – 2026
Hot Water - ANSWERS-What type of heat is used for cast
iron baseboard?
1.41 - ANSWERS-The most common offset when piping is a
45 degree angle. What formula do you use to find a 45
degree angle?
1 1/2 times the diameter - ANSWERS-On a long radius elbow
what is the take-out for end of pipe to center of fitting?
Centrifugal Pump - ANSWERS-What type of pump is
normally used as a feed water pump?
,Fire Tube, Water Tube, Cast Iron Sectional - ANSWERS-Three
types of steam heating systems
True - ANSWERS-A hot water boiler is more efficient than a
steam boiler
Stem Up - ANSWERS-A globe valve on a boiler feed water
line should be installed so that:
Use of water as the heat transfer medium in heating/cooling
systems - ANSWERS-What is the definition of Hydronics?
Concentric Reducer, Reducing Tee, Reducing Elbow -
ANSWERS-Name 3 weld reducing fittings.
1.41 x run - ANSWERS-What formula do you use on a 45%
offset?
To prevent a boiler from draining out - ANSWERS-What is
the purpose of a Hartford Loop?
,False - ANSWERS-Turbulence in a heat exchanger or thermal
converter increase the heat.
Gate Valve - ANSWERS-In a horizontal positioned drain line
what is the proper valve?
False - ANSWERS-A flared joint and a compression joint are
the same.
Thermocouple - ANSWERS-In a gas system a safety valve
responds to a
High Pressure - ANSWERS-In a gas system when is welded
pipe preferred over threaded pipe?
1 1/2 the diameter - ANSWERS-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 - ANSWERS-To find the circumference of a
pipe
, 1/16 - ANSWERS-The space from end of pipe to shoulder of
socket weld fitting is
Feed water side against bottom of seat - ANSWERS-Locate a
globe valve in a feed water system
Too much heat/wrong polarity - ANSWERS-What causes
excessive weld spatter?
Protect insulation - ANSWERS-Why is a saddle installed on a
pipe?
Top of Boiler - ANSWERS-Where is the pressure gauge on a
boiler?
Siphon - ANSWERS-What is between pressure gauge and
piping?
True - ANSWERS-When threading a pipe the pipe should be
reamed before threading is started.
True - ANSWERS-The O.D. of pipe stands for outside
diameter and the I.D. stands for inside diameter.
