Flood Restoration Knowledge 3

Question 1

Which drying method increases evaporation by moving air across wet surfaces?

Accepted Answer

Air movers

Answer

Air movers (fans) accelerate evaporation by directing high-velocity airflow over wet materials.

Question 2

What does GPP stand for in psychrometric drying calculations?

Accepted Answer

Grains Per Pound

Answer

GPP (grains per pound) measures the actual amount of moisture in the air.

Question 3

When is it generally appropriate to remove wet drywall rather than dry it in place?

Accepted Answer

When affected by Category 3 contaminated water

Answer

Category 3 contamination usually requires removing porous materials like drywall that cannot be safely sanitized.

Question 4

What is the purpose of applying an antimicrobial during flood restoration?

Accepted Answer

To inhibit microbial and mold growth

Answer

Antimicrobials are applied to control bacteria and mold growth on affected surfaces.

Question 5

Within how many hours can mold typically begin to grow on wet materials if not dried?

Accepted Answer

24 to 48 hours

Answer

Mold can begin growing within 24 to 48 hours on damp organic materials.

Flood Restoration Practice Test