Interior Design Professional Practice Exam

Category - Interior Design Practice Exam

A common problem in masonry walls is efflorescence. Which of the following condition/conditions must be present for efflorescence to occur? a. presence of salt in the wall b. extremely low humidity c. exposure to water d. contact of water with salt
  1. a & b
  2. a & d
  3. b & d
  4. b & c
Explanation
Answer: B - a & d
The presence of salt in the wall, and with the contact of water with the salt efflorescence can occur in masonry walls.
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