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PT L2 question of the day · 20 October 2026

Today's PT L2 practice question

Review PT Principles

A drop of penetrant placed on a clean steel plate spreads out into a thin film with a very small contact angle. What does this tell the inspector?

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Original practice question written to American Society for Nondestructive Testing's published content outline. Never a real or recalled exam question. A new question appears each day at midnight Eastern.