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Increasing the chromium in steels offers no major improvement in resistance to CO corrosion until a minimum of __________ is reached.
Suggested Answer: B
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39 comments · newest first
DI
Diane
10 months ago
5% seems way too low for any real effect.
MA
Martina
10 months ago
Wait, are we sure about that?
DA
Daren
11 months ago
I've read it's actually 7%.
JA
Jaime
11 months ago
Definitely 9%!
WE
Werner
11 months ago
I think it's 12%.
JO
Joanna
11 months ago
I believe the answer is 9%. It seems to be a common figure in discussions about chromium's effectiveness.
TR
Troy
12 months ago
I’m a bit confused; I thought it was lower, maybe around 7%? But I can't recall clearly.
MA
Marsha
12 months ago
I practiced a question like this, and I feel like 12% was mentioned as a threshold for CO corrosion resistance.
JU
Judy
12 months ago
I think I remember something about chromium levels, but I'm not sure if it's 9% or 12%.
GL
Glory
12 months ago
This is a tricky one. I'm not as familiar with the specifics of chromium's role in steel corrosion resistance. I'll have to make an educated guess here and hope I can at least eliminate a couple of the options that seem less likely.
ME
Melvin
12 months ago
Okay, I've got this. The key is finding the minimum chromium percentage needed to improve resistance to CO corrosion. I'll review the options and select the one that seems most plausible based on my knowledge of steel composition and corrosion.
CO
Cory
12 months ago
Hmm, I'm a bit unsure about this one. I know chromium is important for corrosion resistance, but I'm not sure of the exact percentage needed. I'll have to think it through carefully and try to eliminate the options that don't seem quite right.
RO
Rosann
1 year ago
This one seems straightforward. I'll think through the key information - chromium in steels, resistance to CO corrosion, and a minimum percentage. I'll carefully consider each option and select the one that best fits the question.
MA
Maynard
1 year ago
12%? That's a lot of chromium! I hope they're not planning to make swords out of this steel. *chuckles*
VA
Van
1 year ago
I wonder what kind of steel they're working on with that high chromium content.
RU
Rusty
1 year ago
I agree, that much chromium must be for some heavy-duty industrial use.
BE
Bernardo
1 year ago
Yeah, 12% chromium does seem like a lot. Maybe they're trying to make it super resistant to corrosion.
VA
Vallie
1 year ago
D) 7%
BE
Benton
1 year ago
C) 5%
SH
Sherron
1 year ago
B) 12%
DO
Dolores
1 year ago
A) 9%
JU
Justine
1 year ago
Hold on, is this a trick question? 5% chromium? That seems way too low to make a significant difference in corrosion resistance. I'll have to go with 12%.
RO
Roosevelt
1 year ago
Yeah, I would go with 12% as well for better corrosion resistance.
AS
Ashton
1 year ago
I agree, 5% chromium does seem too low to make a difference.
FA
Fatima
1 year ago
I think 12% chromium is the minimum for significant improvement in resistance to CO corrosion.
GE
Gerald
1 year ago
Chromium is important, but I'm not sure 12% is the minimum. Let me think... I'll go with the more moderate option of 7%.
VE
Vernice
1 year ago
Hmm, 9% seems a bit low. I'd go with the higher percentage of 12% for better corrosion resistance.
BU
Bulah
1 year ago
Yeah, 12% seems like the safer option for better protection against corrosion.
IR
Irving
1 year ago
I would also choose 12% for improved resistance to CO corrosion.
KR
Krissy
1 year ago
I think 9% might not be enough to make a significant difference.
TO
Tommy
1 year ago
I agree, 12% chromium would provide better corrosion resistance.
LE
Leonardo
1 year ago
I see your point, but I think increasing chromium to 12% would provide better resistance to CO corrosion.
JA
Jamal
2 years ago
I think the answer is 12%. Chromium is a key alloying element in stainless steel, and it helps increase resistance to corrosion.
PE
Pedro
1 year ago
No, it's 12% for sure.
EL
Elenora
1 year ago
I think it's 9% actually.
KR
Kristofer
1 year ago
Yes, chromium is important for improving resistance to corrosion.
JU
Julio
1 year ago
I believe the answer is 12%.
TA
Taryn
2 years ago
I disagree, I believe the answer is A) 9%.
LE
Leonardo
2 years ago
I think the answer is B) 12%.