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Which surface preparation method uses a dilute add solution to remove laitance and roughen the concrete surface?
Suggested Answer: B
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12 comments · newest first
PR
Providencia
2 months ago
I’m not sure, but I lean towards D) High-pressure water washing. It cleans well.
KA
Kassandra
2 months ago
I agree, B) Add etching makes sense. It’s effective.
CH
Chaya
2 months ago
I think it's B) Add etching. Seems right.
JA
Janey
2 months ago
Yep, B) Add etching is the right one!
BA
Barney
3 months ago
Wait, are we sure it's not C) Stoning?
ER
Erick
3 months ago
High-pressure water washing is for cleaning, not etching!
PA
Patrick
3 months ago
I thought it was A) Sacking.
VE
Veronika
3 months ago
Definitely B) Add etching!
AS
Asha
3 months ago
I practiced a question similar to this, and I think it was about B) Add etching. It makes sense for removing laitance.
RI
Rikki
3 months ago
I’m leaning towards D) High-pressure water washing, but I remember something about using a solution to etch the surface too.
AN
Angelica
4 months ago
I remember discussing surface prep methods, and I feel like A) Sacking was mentioned, but I can't recall the details.
PA
Pauline
4 months ago
I think the answer might be B) Add etching, but I'm not completely sure. It sounds familiar from our last practice session.