NRSWA Supervisor Practice Questions - NRSWA Street Works Supervisor Units (City & Guilds 6167 SWQR) Exam

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When auditing an active signal sweep using induction mode, what distance should the Signal Generator (Genny) maintain from adjacent buried metallic pipes to prevent signal bleed-over?

No minimum distance is required as induction signals only energize targeted target pipes At least 10 to 15 metres from adjacent utilities or metallic structures Exactly 0.5 metres to ensure maximum signal transfer At least 50 metres in all directions regardless of site geometry

Correct Answer:

At least 10 to 15 metres from adjacent utilities or metallic structures

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