What should be verified by test openings after patch installation?

What should be verified by test openings after patch installation?

• A. Ventilation rate.
• B. Color of patch.
• C. Structural integrity and watertightness.
• D. Electrical continuity.

Answer: (C)

After installing a patch, you must verify that the patch restores the hull’s ability to hold pressure and keep water out—its structural integrity and watertightness. This check confirms the patch is properly seated, fastened, and sealed, and that there are no gaps or deformation at the patch edges that could allow leakage under service conditions. The test openings let you observe whether water or pressure reveals any leakage around the patch and whether the surrounding structure remains sound when loaded or pressurized. Ventilation rate, patch color, and electrical continuity aren’t the focus here: ventilation isn’t about sealing, patch color is cosmetic, and electrical continuity isn’t related to maintaining a watertight hull.

After installing a patch, you must verify that the patch restores the hull’s ability to hold pressure and keep water out—its structural integrity and watertightness. This check confirms the patch is properly seated, fastened, and sealed, and that there are no gaps or deformation at the patch edges that could allow leakage under service conditions. The test openings let you observe whether water or pressure reveals any leakage around the patch and whether the surrounding structure remains sound when loaded or pressurized.

Ventilation rate, patch color, and electrical continuity aren’t the focus here: ventilation isn’t about sealing, patch color is cosmetic, and electrical continuity isn’t related to maintaining a watertight hull.