1
RHODE ISLAND MASTER PIPEFITTER
EXAM QUESTIONS AND ANSWERS
(VERIFIED ANSWERS ALREADY GRADED
A+) LATEST UPDATE 2025/2026
What is the purpose of the 1/8" root spacing on butt weld fitting? -
(ANSWER)Welder will get full penetration of first pass
What angle do you cut the pipe for a 3 piece elbow? - (ANSWER)22 1/2 degrees
What is the purpose of a transformer? - (ANSWER)Change the range of variable
type
Can smaller size pipe sometimes be used by using a larger size pump? -
(ANSWER)True
A pipe saddle is used to protect the pipe insulation from damage? -
(ANSWER)True
At what current is a 60-11 weld rod used? - (ANSWER)AC/DC
Name 3 weld reducing fittings. - (ANSWER)Concentric Reducer, Reducing Tee,
Reducing Elbow
, 2
What formula do you use on a 45% offset? - (ANSWER)1.41 x run
What is the purpose of a Hartford Loop? - (ANSWER)To prevent a boiler from
draining out
Turbulence in a heat exchanger or thermal converter increase the heat. -
(ANSWER)False
In a horizontal positioned drain line what is the proper valve? - (ANSWER)Gate
Valve
A flared joint and a compression joint are the same. - (ANSWER)False
In a gas system a safety valve responds to a - (ANSWER)Thermocouple
In a gas system when is welded pipe preferred over threaded pipe? -
(ANSWER)High Pressure
From the end of the fitting to centerline what is the measurement of a STD (long
Radius) 90 degree weld elbow? - (ANSWER)1 1/2 the diameter
To find the circumference of a pipe - (ANSWER)Diameter X 3.14
RHODE ISLAND MASTER PIPEFITTER
EXAM QUESTIONS AND ANSWERS
(VERIFIED ANSWERS ALREADY GRADED
A+) LATEST UPDATE 2025/2026
What is the purpose of the 1/8" root spacing on butt weld fitting? -
(ANSWER)Welder will get full penetration of first pass
What angle do you cut the pipe for a 3 piece elbow? - (ANSWER)22 1/2 degrees
What is the purpose of a transformer? - (ANSWER)Change the range of variable
type
Can smaller size pipe sometimes be used by using a larger size pump? -
(ANSWER)True
A pipe saddle is used to protect the pipe insulation from damage? -
(ANSWER)True
At what current is a 60-11 weld rod used? - (ANSWER)AC/DC
Name 3 weld reducing fittings. - (ANSWER)Concentric Reducer, Reducing Tee,
Reducing Elbow
, 2
What formula do you use on a 45% offset? - (ANSWER)1.41 x run
What is the purpose of a Hartford Loop? - (ANSWER)To prevent a boiler from
draining out
Turbulence in a heat exchanger or thermal converter increase the heat. -
(ANSWER)False
In a horizontal positioned drain line what is the proper valve? - (ANSWER)Gate
Valve
A flared joint and a compression joint are the same. - (ANSWER)False
In a gas system a safety valve responds to a - (ANSWER)Thermocouple
In a gas system when is welded pipe preferred over threaded pipe? -
(ANSWER)High Pressure
From the end of the fitting to centerline what is the measurement of a STD (long
Radius) 90 degree weld elbow? - (ANSWER)1 1/2 the diameter
To find the circumference of a pipe - (ANSWER)Diameter X 3.14
