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API Exam API-571 Topic 1 Question 87 Discussion

Actual exam question for API's API-571 exam
Question #: 87
Topic #: 1
[All API-571 Questions]

Which of the following materials are generally not suitable for HF service?

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Suggested Answer: A

by Leota at May 20, 2024, 12:27 AM

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Horace
2 months ago
Hmm, this question is making me thirsty. Maybe I should've had my morning coffee before tackling this exam.
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Brice
2 months ago
HF? Heck, I wouldn't use any of those fancy metals for my truck! Just grab me some good ol' duct tape and we're good to go.
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Allene
7 days ago
B) Carbon steel
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Lorrine
8 days ago
I agree, duct tape can fix anything!
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Dudley
9 days ago
A) 300 Series SS
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Martina
10 days ago
Who needs fancy metals when you have duct tape?
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Carli
11 days ago
D) Both A and C
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Clorinda
12 days ago
C) 400 Series SS
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Jennifer
19 days ago
B) Carbon steel
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Marva
20 days ago
A) 300 Series SS
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Keshia
2 months ago
Wait, is this a trick question? I thought all metals were fair game for HF. Guess I need to brush up on my materials knowledge.
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Mee
17 days ago
I guess we both have some learning to do when it comes to materials compatibility.
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Isadora
19 days ago
Yeah, I didn't realize there were specific materials that aren't suitable for HF service.
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Sharmaine
20 days ago
I thought the same thing! Looks like we both need to study up on this.
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Marge
22 days ago
D) Both A and C
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Chantay
27 days ago
C) 400 Series SS
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Donette
1 months ago
B) Carbon steel
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Myong
2 months ago
A) 300 Series SS
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Sonia
2 months ago
Oof, gotta be careful with those stainless steels. The 400 series is a no-go, but the 300 series might hold up better.
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Elden
30 days ago
Good to know, I'll avoid using the 400 Series SS for HF service.
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Erick
1 months ago
Yeah, I always stick to the 300 Series SS for better durability.
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Gladis
1 months ago
Definitely, the 400 Series SS is a problem for HF service.
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Novella
1 months ago
D) Both A and C
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Chana
1 months ago
C) 400 Series SS
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Herminia
2 months ago
B) Carbon steel
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Shakira
2 months ago
A) 300 Series SS
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Brendan
3 months ago
Definitely not carbon steel! That's just asking for trouble in an HF environment.
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Cory
1 months ago
D) Both A and C
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Gerald
1 months ago
Agreed, carbon steel is a big no-no for HF service.
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Kaitlyn
1 months ago
D) Both A and C
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Ling
1 months ago
C) 400 Series SS
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Yolande
2 months ago
B) Carbon steel
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Denae
2 months ago
A) 300 Series SS
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Cecilia
3 months ago
I'm pretty sure 400 Series SS is not suitable for HF service, but I'm not certain about the 300 Series.
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Nan
1 months ago
Thanks for clarifying!
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Shelton
1 months ago
So, the correct answer would be D) Both A and C.
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Erin
1 months ago
I believe 300 Series SS is also not suitable for HF service.
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Sarina
2 months ago
I think you're right, 400 Series SS is not suitable for HF service.
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Wenona
2 months ago
D) Both A and C
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Malissa
2 months ago
C) 400 Series SS
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Lacresha
2 months ago
B) Carbon steel
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Malcom
3 months ago
A) 300 Series SS
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Loise
3 months ago
I'm not sure about this one, but I think I'll go with D as well based on what Bulah and Ernest said.
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Ernest
3 months ago
I agree with Bulah, both A and C are not suitable for HF service due to their susceptibility to corrosion.
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Bulah
4 months ago
I think the answer is D, because 300 Series SS and 400 Series SS are generally not suitable for HF service.
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