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[Acceptance Criteria]
Maximum allowable crack length, visible on the surface of a dense firebrick, is:
Suggested Answer: C
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12 comments · newest first
OZ
Ozell
3 months ago
I lean towards C) 1/2 in. Firebricks can handle more than we think.
YO
Yolande
3 months ago
I feel like it should be A) 1/4 in. Anything more seems risky.
LI
Lindsey
3 months ago
I think it's B) 3/8 in. Seems reasonable.
LE
Leonida
3 months ago
Are we sure about that? Seems a bit strict.
DE
Detra
3 months ago
Wait, really? Only 1/4 in.? That seems small!
SY
Sylvie
3 months ago
I thought it was 1/2 in. (12 mm) for some reason.
BL
Blossom
5 months ago
Totally agree, that’s the standard.
JI
Jillian
5 months ago
It's 1/4 in. (6 mm) max!
CE
Celestine
6 months ago
I remember the instructor mentioning that anything over 1/4 in. is usually a concern, so I’m leaning towards that option.
ET
Ethan
6 months ago
I’m a bit confused; I thought it might be 3/8 in. based on what we discussed in class, but I can't recall clearly.
MO
Monroe
6 months ago
I practiced a similar question, and I feel like the maximum allowable crack length was around 1/2 in.
SH
Shaun
6 months ago
I think I remember something about crack lengths in firebricks, but I'm not entirely sure if it's 1/4 in. or 3/8 in.