PE Chemical: Practice Questions, Units, and Exam Format
Mass and energy balances, thermodynamics, heat and mass transfer, reaction engineering, fluids, and plant design. See exactly what is on the exam, unit by unit, and practise it with a tutor that adapts to you.
Exam format
| Section | Questions | Time | Share of score |
|---|---|---|---|
| PE Chemical | 80 | 8 hr | 100% |
Units and exam weights
| Unit | Exam weight | Topics covered |
|---|---|---|
| Mass/Energy Balances | 15 to 22.5% | 1.A Mass Balances, 1.B Energy Balances |
| Thermodynamics | 13.75 to 21.25% | 2.A Basic Thermodynamics, 2.B Chemical Equilibria, 2.C Phase Equilibria |
| Heat Transfer | 11.25 to 17.5% | 3.A Fundamentals, 3.B Applications |
| Chemical Reaction Engineering | 7.5 to 12.5% | 4.A Fundamentals, 4.B Applications |
| Fluids | 12.5 to 20% | 5.A Fundamentals, 5.B Applications |
| Mass Transfer | 8.75 to 13.75% | 6.A Fundamentals, 6.B Applications |
| Plant Design and Operation | 18.75 to 28.75% | 7.A Safety, Health, and Environment, 7.B Design, 7.C Operation and Maintenance |
How Kalyta teaches PE Chemical
Practice that adapts to you, an explanation for every answer, and a full rehearsal before the real thing. You spend your time on the units that move your score instead of the ones you have already got.
- Adaptive practice. Questions are picked around your current level, so you are always working just past what you can already do.
- Every answer explained. See why the right answer is right and why each other choice is wrong, with figures and step by step reasoning.
- An AI tutor you can steer. Ask why something works, ask for another example, or tell it to slow down and teach the idea from the start.
- Full exam rehearsals. Sit the real format under real timing and see exactly how many questions you got right, unit by unit, so test day feels like something you have already done.
- Progress you can see. Watch your readiness climb unit by unit, and know what is solid before you walk in.
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Kalyta is an independent study tool and is not endorsed by or affiliated with NCEES. NCEES is a trademark of the National Council of Examiners for Engineering and Surveying.