Rhode Island Master Pipefitter Exam Questions & Answers 100% Correct
Science Engineering Mechanical Engineering
Rhode Island Master Pipefitter Exam Questions & Answers 100% Correct
Practice questions for this set
2 Thermocouple
4 Up
Terms in this set (115)
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?
Rhode Island Master Pipefitter Exam Questions & Answers 100% Correct
, Rhode Island Master Pipefitter Exam Questions & Answers 100% Correct
Concentric Reducer, Reducing Tee, Name 3 weld reducing fittings.
Reducing Elbow
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?
From the end of the fitting to centerline what is the measurement of a STD (long
1 1/2 the diameter
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.
It is not necessary to check the position of the bolt holes on a set of companion
False
flanges when making a flange joint connection.
A ring gasket must have the bolt holes to match the bolt hole in the flange
False
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 A valve marked only 200 WOG may be used for steam service.
Lug Type There are three different types of butterfly valves. Name one.
Stem Up The best way to install a valve in a horizontal line is with the
Gate Valve Name the most commonly used valve in piping.
1/4 How many turns are required to open a closed ball valve?
False A ball check valve can be installed in a vertical line, regardless of direction of flow.
True The valve closest to the boiler, in the boiler feed line must be a globe valve.
Rhode Island Master Pipefitter Exam Questions & Answers 100% Correct
Science Engineering Mechanical Engineering
Rhode Island Master Pipefitter Exam Questions & Answers 100% Correct
Practice questions for this set
2 Thermocouple
4 Up
Terms in this set (115)
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?
Rhode Island Master Pipefitter Exam Questions & Answers 100% Correct
, Rhode Island Master Pipefitter Exam Questions & Answers 100% Correct
Concentric Reducer, Reducing Tee, Name 3 weld reducing fittings.
Reducing Elbow
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?
From the end of the fitting to centerline what is the measurement of a STD (long
1 1/2 the diameter
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.
It is not necessary to check the position of the bolt holes on a set of companion
False
flanges when making a flange joint connection.
A ring gasket must have the bolt holes to match the bolt hole in the flange
False
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 A valve marked only 200 WOG may be used for steam service.
Lug Type There are three different types of butterfly valves. Name one.
Stem Up The best way to install a valve in a horizontal line is with the
Gate Valve Name the most commonly used valve in piping.
1/4 How many turns are required to open a closed ball valve?
False A ball check valve can be installed in a vertical line, regardless of direction of flow.
True The valve closest to the boiler, in the boiler feed line must be a globe valve.
Rhode Island Master Pipefitter Exam Questions & Answers 100% Correct
