How a new engineer earns trust
Before you touch the production simulator, you need fluency: choosing components, placing equipment, specifying it, and reading whether the answer is sane. This week is pure reps.
The target is the flash-with-recycle structure — a feed is heated, flashed into vapor and liquid, and part of the liquid is recycled. It's small but contains the loop-tearing behavior you'll meet everywhere.
Fluency = build, specify, converge, and judge sanity — quickly.