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OMG-OCSMP-MBI300 Exam - Topic 7 Question 78 Discussion

Actual exam question for OMG's OMG-OCSMP-MBI300 exam
Question #: 78
Topic #: 7
[All OMG-OCSMP-MBI300 Questions]

Choose the correct answer.

A system engineer has created the following model of a tank system composed of two tanks and a pipe connecting them:

The system engineer wants to mathematically relate the flow of water through the pipe using the following mass conservation equation: Tank_System wFlowin flowRate * Tank_System pipe endA_Area = Tank_System wFlowOut flowRate * Tank_System pipe endB_Area How would the system engineer model this in SysML?

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Suggested Answer: C

by Wava at Jan 05, 2026, 05:16 AM

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Lyla
20 days ago
I feel option C is overcomplicating things. Just one constraint block should suffice.
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Edelmira
26 days ago
Option A seems too simple. We need more detail in the model.
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Luke
1 month ago
I prefer option D. It directly relates flow properties to the constraint.
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Noel
1 month ago
I think option B is the best. It clearly defines the mass conservation equation.
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Lottie
1 month ago
Totally agree with B, it’s the most logical approach!
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Gilbert
2 months ago
A is too simplistic, it misses the constraints.
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Paz
2 months ago
Wait, is E really true? That sounds off.
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Hubert
2 months ago
I think D is the best choice, it covers all bases.
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Rikki
2 months ago
Option B seems right, constraint blocks are key here.
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Jame
2 months ago
Option A looks a bit too simple. I think we need a more robust approach to capture all the details.
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Sheron
2 months ago
I'm leaning towards option C. Separating the constraints for each flow seems more organized.
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Johnathon
3 months ago
Haha, option E is just ridiculous. Of course you can model this in SysML, it's not rocket science!
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Hayley
3 months ago
I'm not sure about that. Option D looks like it might be a better approach, with the flow properties and constraint block.
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Alyce
3 months ago
Option B seems like the way to go. Constraint blocks are perfect for modeling equations like this.
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Janine
4 months ago
I feel like creating two flow properties and then a constraint block for the mass conservation equation could be the right approach, but I can't recall if that's how we did it in practice.
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Helene
4 months ago
I'm a bit confused about whether wFlowin and wFlowOut are considered flow properties or item properties. I think that might affect which option is correct.
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Helaine
4 months ago
I remember practicing a similar question where we had to relate flow properties in SysML. I feel like option B makes the most sense for this one.
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Herminia
4 months ago
I think the mass conservation equation should be modeled as a constraint block, but I'm not sure if it should be related to wFlowin and wFlowOut directly.
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Gianna
4 months ago
This seems straightforward enough. I think option B is the way to go - create a constraint block for the mass conservation equation and relate it to the system properties. That way, I can clearly capture the mathematical relationship between the flow rates and pipe areas.
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Novella
4 months ago
I'm not totally sure about this one. The question seems a bit tricky, and I'm not 100% confident in my understanding of how to model this type of system in SysML. I might need to do some quick review of SysML constraint blocks before answering.
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Percy
5 months ago
Okay, I think I've got this. The key is to recognize that the mass conservation equation is a constraint that needs to be modeled in SysML. Option B seems like the best approach, since it allows me to create a dedicated constraint block and relate it to the relevant system properties.
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Tequila
5 months ago
Hmm, I'm a bit confused by the wording of the question. It's not totally clear to me how the mass conservation equation relates to the properties of the system. I might need to re-read the question a few times to make sure I understand it properly.
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Lili
5 months ago
This looks like a pretty straightforward SysML modeling question. I think I'll go with option B - create a constraint block to represent the mass conservation equation and relate its parameters to the properties of the system.
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Nathan
15 days ago
I agree, option B seems the most logical.
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