Practice question

What type of survey meter probe is specifically designed to detect alpha surface contamination?

  1. Thick lead-shielded gamma probe held 2 metres away
  2. Thin zinc sulfide (ZnS) scintillation probe or thin-window alpha detector held within 5 mm of the surface
  3. Standard acoustic microphone
  4. Infrared thermometer

Answer: B — Thin zinc sulfide (ZnS) scintillation probe or thin-window alpha detector held within 5 mm of the surface

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: UK ADR Class 7 Radioactive Practice Questions - UK ADR Dangerous Goods Driver Class 7 Radioactive Exam (Qualifications Scotland DfT) Exam →