Become the engineer who makes the controller earn its keep.
You know sequences and interlocks. This takes you further: tuning, step tests, MPC, optimization, inferentials, and keeping APC alive after go-live. Every answer explains itself. Wrong answers come back until they stick. The loop lab lets you break a controller safely.
Mastery by domain
Line = 80% goal. Click a domain to practice it.How to use this
- Study a domain's notes. They hold the tables and formulas the exam leans on.
- Practice daily. Missed questions return the same day; known ones space out to 35 days.
- Drill the calculations until FOPDT fits, lambda tuning, RGA and LP vertices feel automatic.
- Skills check once a week. Aim for 80%+ in every domain. Then play in the Toolbox loop lab to feel what the numbers mean.
Not tied to any vendor or certification. Rules of thumb vary between companies and MPC products; check your site practice. Progress is stored in this browser only.
Keys: 1–4 to answer, Enter for next.
Have a calculator ready. Keys: 1–4, Enter.
Skills check
A timed mix of every domain, about a quarter calculations. No feedback until you submit. You can flag questions and jump around.
The goal is 80%: this app's bar for a working APC engineer's core knowledge.
History
Loop lab: lambda-tuned PI on a FOPDT process
Setpoint step at t = 0, load step at mid-runModel used for tuning
Real plant vs model
━ PV · ┄ SP · ━ controller output. Try λ = θ with real gain ×2, then raise λ.