PIPEFITTER NCCER UPDATED COMPREHENSIVE
QUESTIONS AND ANSWERS SURE A+
✔✔What is the elevation of the BOP of an 12'' schedule 40 pipe if its center line
elevation is
203'- 1 1/2''?
A) 203'- 1 1/2''
B) 202'- 7 1/8''
C) 202' - 1 1/2''
D) 202' - 0 1/4'' - ✔✔B
✔✔If both fists are placed in front of your body with your thumbs pointed outward, the
crane operator should.
A) Extend the outriggers
B) Raise the boom
C) Extend the boom sections
D) Retract the boom sections - ✔✔C
✔✔What is the length of pipe required to fabricate a 8'' diameter schedule 40 pipe spool
with one 90 degree butt weld elbow on one end, and one 45 degree butt weld elbow on
the other end, with a center-to-center measurement of 72'' (assume a 1/8 welder gap)
A) 58 3/4
B) 54 3/4
C) 52 1/4
D) 46 1/4 - ✔✔B
✔✔All of the following types of pipe are thermoplastic EXCEPT.
A) Polyvinyl Chloride (PVC)
B) Fiberglass
C) Polyethylene
D) Acrylonitrile - Butadiene- Styrene - ✔✔B
✔✔Which of the following is a classification of cast iron pipe?
, A) Schedule 40
B) Schedule 80
C) XH
D) XS - ✔✔C
✔✔Which of the following parts of a layout will NOT be the same for all three lines in an
equally spread offset?
A) Starting point
B) Run
C) Set
D) Travel - ✔✔A
✔✔Flat Face Flanges require which type of gasket?
A) Spiral wound
B) Full face
C) Strip
D) Jacketed - ✔✔B
✔✔What is a flexible link seal used for?
A) Seal the end of a pipe
B) Seal a pipe in a pipe sleeve
C) Seal the end of a valve
D) Seal the drain in a floor drain - ✔✔B
✔✔A vertical pipe filled with 10'' of water has a head pressure of
A) 4.25 psi
B) 4.33 psi
C) 4.38 psi
D) 4.5 psi - ✔✔B
✔✔What is the formula for finding the volume of a cylinder?
A) Pi x r squared x h
B) Pi x radius x height
C) L x W x H
D) B x H x D - ✔✔A
✔✔What MINIMUM number of bolts can be removed from an 8-bolt flange when a slip
blind is inserted for hydrotesting?
A) 2
B) 3
C) 4
D) 5 - ✔✔C
✔✔Globe valve :
QUESTIONS AND ANSWERS SURE A+
✔✔What is the elevation of the BOP of an 12'' schedule 40 pipe if its center line
elevation is
203'- 1 1/2''?
A) 203'- 1 1/2''
B) 202'- 7 1/8''
C) 202' - 1 1/2''
D) 202' - 0 1/4'' - ✔✔B
✔✔If both fists are placed in front of your body with your thumbs pointed outward, the
crane operator should.
A) Extend the outriggers
B) Raise the boom
C) Extend the boom sections
D) Retract the boom sections - ✔✔C
✔✔What is the length of pipe required to fabricate a 8'' diameter schedule 40 pipe spool
with one 90 degree butt weld elbow on one end, and one 45 degree butt weld elbow on
the other end, with a center-to-center measurement of 72'' (assume a 1/8 welder gap)
A) 58 3/4
B) 54 3/4
C) 52 1/4
D) 46 1/4 - ✔✔B
✔✔All of the following types of pipe are thermoplastic EXCEPT.
A) Polyvinyl Chloride (PVC)
B) Fiberglass
C) Polyethylene
D) Acrylonitrile - Butadiene- Styrene - ✔✔B
✔✔Which of the following is a classification of cast iron pipe?
, A) Schedule 40
B) Schedule 80
C) XH
D) XS - ✔✔C
✔✔Which of the following parts of a layout will NOT be the same for all three lines in an
equally spread offset?
A) Starting point
B) Run
C) Set
D) Travel - ✔✔A
✔✔Flat Face Flanges require which type of gasket?
A) Spiral wound
B) Full face
C) Strip
D) Jacketed - ✔✔B
✔✔What is a flexible link seal used for?
A) Seal the end of a pipe
B) Seal a pipe in a pipe sleeve
C) Seal the end of a valve
D) Seal the drain in a floor drain - ✔✔B
✔✔A vertical pipe filled with 10'' of water has a head pressure of
A) 4.25 psi
B) 4.33 psi
C) 4.38 psi
D) 4.5 psi - ✔✔B
✔✔What is the formula for finding the volume of a cylinder?
A) Pi x r squared x h
B) Pi x radius x height
C) L x W x H
D) B x H x D - ✔✔A
✔✔What MINIMUM number of bolts can be removed from an 8-bolt flange when a slip
blind is inserted for hydrotesting?
A) 2
B) 3
C) 4
D) 5 - ✔✔C
✔✔Globe valve :
