NPORS Plant Operator Theory Practice Questions - UK NPORS Plant Operator Theory Test (N001 N202) Exam

Under HSG47, what does a Cable Avoidance Tool (CAT) detect when operated in 'Power' mode?

Physical density variations in backfilled trench soil Electromagnetic signals generated by loaded live AC electricity cables Direct current (DC) pulses emitted by plastic water pipes Radio signals re-radiated by long metallic pipes and buried telephone cables

Correct Answer:

Electromagnetic signals generated by loaded live AC electricity cables

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