InterNACHI Interior Components and Finishes 2

Question 1

A home inspector notices that a bathroom ceiling has peeling paint with brown staining. What is the most likely cause?

Accepted Answer

Inadequate bathroom ventilation causing moisture buildup

Answer

Peeling paint with brown staining on a bathroom ceiling typically indicates moisture intrusion caused by inadequate ventilation, leading to condensation and mold.

Question 2

During an inspection, you find that interior door hinges are binding and the door drags on the floor along one side. What condition does this most likely indicate?

Accepted Answer

Foundation settlement or structural movement

Answer

Doors that bind or drag on one side often indicate foundation settlement or structural movement that has racked the door frame out of square.

Question 3

What is the minimum recommended R-value for attic insulation in most U.S. climate zones according to energy standards?

Accepted Answer

R-38

Answer

R-38 is commonly the minimum recommended R-value for attic insulation in most U.S. climate zones, though colder zones may require R-49 or higher.

Question 4

An inspector observes white, chalky deposits on the surface of a concrete basement floor. What is this condition called?

Accepted Answer

Efflorescence

Answer

Efflorescence is the white, chalky crystalline deposit left on concrete surfaces when water carrying dissolved salts migrates through and evaporates.

Question 5

Which type of flooring material is most susceptible to damage from water intrusion in a below-grade installation?

Accepted Answer

Solid hardwood

Answer

Solid hardwood flooring is highly susceptible to water damage below grade because wood swells, warps, and can develop mold when exposed to moisture.

(InterNACHI) International Association of Certified Home Inspectors Practice Test

(InterNACHI) International Association of Certified Home Inspectors Practice Test

InterNACHI Interior Components and Finishes 2