NCCER PIPELINE CORROSION CONTROL
EXAM WITH DETAILED AND VERIFIED
ANSWERS
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.
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
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 _______.
EXAM WITH DETAILED AND VERIFIED
ANSWERS
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.
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
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 _______.
