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Although the loss of toughness from temper embrittlement is not evident at operating temperatures, equipment that is temper embrittled may be susceptible to ________ during start-up and shutdown.
Suggested Answer: B
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30 comments · newest first
CR
Cristina
11 months ago
Notch toughness doesn't fit this scenario at all.
DO
Dolores
11 months ago
Yeah, brittle fracture makes sense here.
DO
Dong
11 months ago
Wait, are we sure about brittle fracture? Sounds too risky.
TO
Tonette
12 months ago
I think it's cyclic stress, though.
IS
Isaac
12 months ago
It's definitely brittle fracture!
DE
Devora
12 months ago
I recall that brittle fracture is a common issue with temper embrittlement, especially under sudden temperature changes. That feels like the right choice.
VI
Viki
12 months ago
I practiced a similar question about toughness loss, and I think the answer was brittle fracture. But I’m second-guessing myself now.
MA
Mauricio
12 months ago
I’m not entirely sure, but I feel like cyclic stress might be a factor too. It’s just that brittle fracture seems more directly related to embrittlement.
MA
Marge
1 year ago
I remember studying temper embrittlement, and I think it can lead to brittle fracture during start-up and shutdown.
KA
Kanisha
1 year ago
Okay, I think I've got this. In a matrix structure, the project manager doesn't have direct control over the functional employees, so they don't have full visibility into their performance. And since the employees are only assigned to the project for a short time, the project manager doesn't have enough time to properly evaluate them. I'll mark E as my answer.
VI
Vivan
1 year ago
Hmm, I'm not totally sure about this one. I know the MPLS label is used for routing within the provider network, but I'm not 100% clear on where it gets removed. I'll have to think this through carefully.
NA
Nadine
1 year ago
The question mentions "brute force attacks", so I'm guessing the Vulnerability Protection Profile is the most likely answer since it's designed to protect against various types of threats and vulnerabilities.
BE
Ben
1 year ago
There was a question similar to this where we talked about deployment modes. I'm leaning toward Active/Standby being a concern, but I'm not completely sure!
VI
Vivienne
1 year ago
I'm a bit confused by the wording of the question. What exactly do they mean by "total cost analysis"? Is that the same as just looking at overall costs? I'll have to think this through carefully.
EV
Eve
1 year ago
Brittle fracture all the way, baby! It's like the material just decides 'Nope, I'm done!' and *poof*, you've got a pile of metal confetti on your hands.
EL
Elise
1 year ago
Hmm, I was leaning towards C. Notch toughness, but I think D is the way to go. Wouldn't want my equipment to shatter like a glass ornament during a simple startup, you know?
MA
Malcom
1 year ago
Gotta be D, brittle fracture. Temper embrittlement is no joke - it turns the metal into a ticking time bomb waiting to explode during startup!
SU
Sunny
1 year ago
Cyclic stress can further weaken the material in temper embrittlement.
SH
Sherell
1 year ago
Notch toughness is important for preventing cracks from propagating.
AL
Alease
1 year ago
Thermal fatigue can also be a concern during start-up and shutdown.
MA
Marcelle
1 year ago
I agree, temper embrittlement can lead to brittle fracture.
AR
Arleen
1 year ago
I'm going with A. Thermal fatigue. Those temperature cycles can really take a toll on an embrittled material, leading to cracking and eventual failure.
ME
Merissa
1 year ago
Ah, I was debating between B and D, but D makes the most sense. Temper embrittlement really weakens the material's ability to withstand the stresses during startup and shutdown.
KI
King
1 year ago
Hmm, I'm pretty sure the answer is D. Brittle fracture. Temper embrittlement can make the material more susceptible to sudden, catastrophic failures during temperature changes.
AR
Art
1 year ago
It's important to be aware of the risks of brittle fracture when dealing with temper embrittlement.
GE
Gerald
1 year ago
Yes, temper embrittlement can definitely lead to brittle fracture under certain conditions.
ST
Stefan
1 year ago
I think you're right. Brittle fracture is a major concern with temper embrittlement.
LE
Lelia
1 year ago
But could it also be A) Thermal fatigue, since start-up and shutdown can cause thermal stresses?
TH
Thersa
1 year ago
I agree with Loreen, because temper embrittlement can lead to brittle fracture.
LO
Loreen
2 years ago
I think the answer is D) Brittle fracture.