PE Thermal and Fluid Systems exam guide

PE Thermal and Fluid Systems drill: Power Systems and Components

10 problems · Untimed · Worked solution after each answer

Steam, gas, hydraulic and wind turbines, boilers and heat recovery, condensers, Rankine, Brayton, combined-cycle and combustion calculations. Knowledge area 3 of the PE Mechanical: Thermal and Fluid Systems specification carries 17 to 26 of the 80 questions.

  • 3A Turbines
  • 3B Boilers, Steam Generators, and Waste Heat Recovery
  • 3C Condensers
  • 3D Power Cycles

Before you start

  • Every problem has four options and one correct answer. Every value you need is in the problem, so you can work it with a calculator; the worked solution shows each step and names the mistake behind the most tempting wrong answer.
  • Check each answer to see the explanation before moving on. Checked answers cannot be changed.

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Create a free account to start. Every drill includes one free attempt. A PE Mechanical pass unlocks every full timed practice exam and unlimited drills for all three PE Mechanical exams.

Original practice problems written to the published NCEES exam specifications. Independent preparation, not affiliated with or endorsed by the National Council of Examiners for Engineering and Surveying (NCEES).