RHODE ISLAND MASTER PIPEFITTER EXAM FINAL STUDY
GUIDE QUESTIONS AND CORRECT DETAILED ANSWERS
WITH RATIONALES (VERIFIED ANSWERS) |ALREADY
GRADED A+
Terms in this set (115) QUESTIONS VERIFIED ANSWERS
1. Welder will get full penetration of first What is the purpose of the 1/8" root
pass spacing on butt weld fitting?
2. 22 1/2 degrees What angle do you cut the pipe for a 3
piece elbow?
3. Change the range of variable type What is the purpose of a transformer?
4. True Can smaller size pipe sometimes be
used by using a larger size pump?
5. True A pipe saddle is used to protect the
pipe insulation from damage?
6. AC/DC At what current is a 60-11 weld rod
used?
7. Concentric Reducer, Reducing Tee, Name 3 weld reducing fittings.
Reducing Elbow
8. 1.41 x run What formula do you use on a 45%
, offset?
9. To prevent a boiler from draining out What is the purpose of a Hartford
Loop?
10. False Turbulence in a heat exchanger or
thermal converter increase the heat.
11. Gate Valve In a horizontal positioned drain line
what is the proper valve?
12. False A flared joint and a compression joint
are the same.
13. Thermocouple In a gas system a safety valve
responds to a
14. High Pressure In a gas system when is welded pipe
preferred over threaded pipe?
15. 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?
16. Diameter X 3.14 To find the circumference of a pipe
17. 1/16 The space from end of pipe to
shoulder of socket weld fitting is
18. Feed water side against bottom of seat Locate a globe valve in a feed water
system
19. Too much heat/wrong polarity What causes excessive weld spatter?
GUIDE QUESTIONS AND CORRECT DETAILED ANSWERS
WITH RATIONALES (VERIFIED ANSWERS) |ALREADY
GRADED A+
Terms in this set (115) QUESTIONS VERIFIED ANSWERS
1. Welder will get full penetration of first What is the purpose of the 1/8" root
pass spacing on butt weld fitting?
2. 22 1/2 degrees What angle do you cut the pipe for a 3
piece elbow?
3. Change the range of variable type What is the purpose of a transformer?
4. True Can smaller size pipe sometimes be
used by using a larger size pump?
5. True A pipe saddle is used to protect the
pipe insulation from damage?
6. AC/DC At what current is a 60-11 weld rod
used?
7. Concentric Reducer, Reducing Tee, Name 3 weld reducing fittings.
Reducing Elbow
8. 1.41 x run What formula do you use on a 45%
, offset?
9. To prevent a boiler from draining out What is the purpose of a Hartford
Loop?
10. False Turbulence in a heat exchanger or
thermal converter increase the heat.
11. Gate Valve In a horizontal positioned drain line
what is the proper valve?
12. False A flared joint and a compression joint
are the same.
13. Thermocouple In a gas system a safety valve
responds to a
14. High Pressure In a gas system when is welded pipe
preferred over threaded pipe?
15. 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?
16. Diameter X 3.14 To find the circumference of a pipe
17. 1/16 The space from end of pipe to
shoulder of socket weld fitting is
18. Feed water side against bottom of seat Locate a globe valve in a feed water
system
19. Too much heat/wrong polarity What causes excessive weld spatter?
