77.보일러 및 압력용기에 대한 침투탐상검사(ASME Sec.V Art.6)에 의한 습식현상제 중 수성현상제의 적용 방법이 아닌 것은?

해설

[ASME Sec.V Art.6] T-675.2 Wet Developer Application (a) Aqueous Developer Application. Aqueous developer may be applied to either a wet or dry surface. It shall be applied by dipping, brushing, spraying, or other means, provided a thin coating is obtained over the entire surface being examined.