NACE CIP LEVEL 1 CBT CERTIFICATION EXAM 2025 UPDATE/PRACTICE QUESTIONS AND CORRECT VERIFIED ANSWERS (complete solutions) ASSURED SUCCESS/GRADED A+!!!

NACE CIP LEVEL 1 CBT CERTIFICATION EXAM 2025 UPDATE/PRACTICE QUESTIONS AND
CORRECT VERIFIED ANSWERS (complete solutions) ASSURED SUCCESS/GRADED A+!!!

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NACE SP0188 - (answer)High and Low Voltage Holiday Testing



Low-Voltage Holiday Detector - (answer)-Ground is attached directly to substrate.

-Sponge saturated with a solution of tap water/wetting agent

-Proper mix ratio 1oz/USgal

-Proper of speed is 1ft/sec Double Stroke

-Used on Coatings up to 20mils

-may be used on concrete



Low Voltage Holiday Detectors Common Errors - (answer)-Failure to Keep probe in contact with surface

-Moving the electrode too fast or slow

-Over or under saturating the sponge

-Low battery or bad lead/ground connection



Telegraphing - (answer)Can occur when surface is saturated with water and the Detector reads a
different area.



High Voltage Holiday Detectors - (answer)-Can have an Output range from 800-60,000v

-In General Voltage ratio 100v/1mil

-Electrode Rate of 1ft/sec with a single pass

-Ground connection must be made direct to metal substrate(preferred) or indirectly for pipeline in soil.



High Voltage Holiday Detector Pannel - (answer)-When determining the Voltage used, if not shown on
dial use Voltage immediately below what's needed