Pipeline Corrosion Control NCCER with
questions and well verified answers actual
exam!!! 2026
In the most common test set up, what is the number of wires that are inserted into the
ground? - ANSWER -2
The preferred type of test station mounting is _______. - ANSWER -post
Some systems make a connection between a reference electrode and the structure using a(n)
_________. - ANSWER -Voltage meter
A TERMINAL BLOCK SHOULD HAVE SOLID BRASS STUDS WITH A MINIMUM OF ________. -
ANSWER -0.24 inch
During a conductivity test, an audible alert indicates ________. - ANSWER -continuity
exists
The first step in verifying test lead continuity is to _______. - ANSWER -identify the lead
to be tested.
Cathodic protection does not exist when the ohm reading is ________. - ANSWER -
infinity
The reading on the instrument measures the ________. - ANSWER -structure to soil
potential
,Which of the following is true with regard to backfilling?
A) avoid the use of sandbags as they tend to collect moisture around the pipe.
B) Coating damage caused by backfilling is acceptable as long as the pipe is buried.
C) Backfilled soil should be kept loose to prevent stress on the pipe.
D) Restore the area to its original condition, including replacement of topsoil. -
ANSWER -D
New test leads must be installed _________.
A) on or above grade level
B) at or below grade level
C) on a clean surface
D) on a sealed surface - ANSWER -C
Some systems make a connection between a reference electrode and the surface using a(n)
_______.
A) ammeter
B) voltage meter
C) multimeter
D) ohmeter - ANSWER -B
Backfilling must be completed by someone who is ________. - ANSWER -OQ qualified.
If excavation is required in order to replace a damage test lead, personnel must be familiar
with requirements for _______.
A) hot work
B) confined space work
C) below grade welding
, D) ROW encroachment - ANSWER -B
Once a lead has been repaired or replaced, verification must be made that _______.
A)adequate backfill has been properly replaced
B) the replacement wire has the correct diameter
C) CP protection is functioning
D) the technician replacing the lead is OQ qualified. - ANSWER -C
A bolt pad must be applied over a bolt with a length/ tang width of _______. - ANSWER -
0.87"
The final step in performing a mechanical bond is to _________.
A)coat the surface
B) make the attachment
C) reinsulate the area
D) document the installation - ANSWER -D
Each wire that is terminated in a box should have at least ____ inches of slack. -
ANSWER -12 inches
If an unexpected hazardous leak is detected, personnel must first _______.
A) Evacuate the area immediately
B) identify and isolate the source
C) secure the area and limit access
D) notify emergency personnel - ANSWER -D
The normal gauge of a general test wire is determined by _________.
questions and well verified answers actual
exam!!! 2026
In the most common test set up, what is the number of wires that are inserted into the
ground? - ANSWER -2
The preferred type of test station mounting is _______. - ANSWER -post
Some systems make a connection between a reference electrode and the structure using a(n)
_________. - ANSWER -Voltage meter
A TERMINAL BLOCK SHOULD HAVE SOLID BRASS STUDS WITH A MINIMUM OF ________. -
ANSWER -0.24 inch
During a conductivity test, an audible alert indicates ________. - ANSWER -continuity
exists
The first step in verifying test lead continuity is to _______. - ANSWER -identify the lead
to be tested.
Cathodic protection does not exist when the ohm reading is ________. - ANSWER -
infinity
The reading on the instrument measures the ________. - ANSWER -structure to soil
potential
,Which of the following is true with regard to backfilling?
A) avoid the use of sandbags as they tend to collect moisture around the pipe.
B) Coating damage caused by backfilling is acceptable as long as the pipe is buried.
C) Backfilled soil should be kept loose to prevent stress on the pipe.
D) Restore the area to its original condition, including replacement of topsoil. -
ANSWER -D
New test leads must be installed _________.
A) on or above grade level
B) at or below grade level
C) on a clean surface
D) on a sealed surface - ANSWER -C
Some systems make a connection between a reference electrode and the surface using a(n)
_______.
A) ammeter
B) voltage meter
C) multimeter
D) ohmeter - ANSWER -B
Backfilling must be completed by someone who is ________. - ANSWER -OQ qualified.
If excavation is required in order to replace a damage test lead, personnel must be familiar
with requirements for _______.
A) hot work
B) confined space work
C) below grade welding
, D) ROW encroachment - ANSWER -B
Once a lead has been repaired or replaced, verification must be made that _______.
A)adequate backfill has been properly replaced
B) the replacement wire has the correct diameter
C) CP protection is functioning
D) the technician replacing the lead is OQ qualified. - ANSWER -C
A bolt pad must be applied over a bolt with a length/ tang width of _______. - ANSWER -
0.87"
The final step in performing a mechanical bond is to _________.
A)coat the surface
B) make the attachment
C) reinsulate the area
D) document the installation - ANSWER -D
Each wire that is terminated in a box should have at least ____ inches of slack. -
ANSWER -12 inches
If an unexpected hazardous leak is detected, personnel must first _______.
A) Evacuate the area immediately
B) identify and isolate the source
C) secure the area and limit access
D) notify emergency personnel - ANSWER -D
The normal gauge of a general test wire is determined by _________.
