Multiple Choice
A solution of _____ can be used to remove efflorescence that cannot be removed by washing the wall with water.
A) three parts vinegar to one part water
B) two parts glycolic acid to one part water
C) one part hydrochoric acid to five parts water
D) one part muriatic acid to nine parts water
Correct Answer:
Verified
Correct Answer:
Verified
Q5: _ is specifically used for parapet walls,
Q6: Retempering mortar is acceptable under the following
Q7: _ mortars are a combination of portland
Q8: The compressive strength of the mortar you
Q9: Mortar with air content _ by volume
Q11: Mortar types are identified by both proportion
Q12: Color pigments should be of a metallic
Q13: The first step in repointing is to
Q14: A(n) _ kit contains a variety of
Q15: The BIA has developed specifications for only