2025) UPDATEDQUESTIONS WITH DETAILED 100
p p p p p
% CORRECT ANSWERS p p
The amount of energy required by a metal during the refiningpr
p p p p p p p p p p p
ocess determines the p p or of the metal.
p p
A) current, active state p p
B) voltage, active state p p
C) active resistance, voltage p p
D) resistance, active state p p
E) current, active resistance - p p p
ANSWERS_bSingle phase rectifier that has
p p p p p p p
has 1 diodesp p
A) single-phase
B) full-wave
C) center-tapped - ANSWERS_a p p
When taking soil resistivity measurements along a structure,iti
p p p p p p p p
s good practice to place the line of pins
p p p p p p p p
to the structur p p
e, with the nearest pin no closer than
p p p p p p p
ft from the stru p p p
cture
A) parallel, 20 ft p p
B) parallel, 10ft p
C) perpendicular, 20ft p
, NACE CP2 EXAM (ACTUAL 2024-
p p p p
2025) UPDATEDQUESTIONS WITH DETAILED 100
p p p p p
% CORRECT ANSWERS
p p
D) perpendicular, 15ft - ANSWERS_d
p p p
, NACE CP2 EXAM (ACTUAL 2024- p p p p
2025) UPDATEDQUESTIONS WITH DETAILED 100
p p p p p
% CORRECT ANSWERS p p
Layer Resistivity p
1) S 2 layer = 318.2 cm - 159.1 cm =159.1 cm
p p p p p p p p p p p
2) R 2 layer = (R 1 R 2 ) / (R1 - R2 ) = 28.46ohms
p p p p p p p p p p p p p p p p
3) 2 π x 159.1cm x 28.46 Ω
p p p p p p p
= 28,450ohms-cm - ANSWERS_
p p p
The soil box measures a
p p p p
or resistivity of a relatively
p p p p p
small soil sample p p
A) maximum
B) minimum - p
ANSWERS_bTrue or False (
p p p p p
t or f)
p p
One advantage of the single rod method for measuring resistivit
p p p p p p p p p
y of soil is that it can be employed in confined spacessuch as ne
p p p p p p p p p p p p p p
xt to tanks and between pipes - ANSWERS_t
p p p p p p p
, NACE CP2 EXAM (ACTUAL 2024-
p p p p
2025) UPDATEDQUESTIONS WITH DETAILED 100
p p p p p
% CORRECT ANSWERS
p p
What is the formula for resistivity
p p p p p