Power Engineering 3b1 Exam Questions _best_

Theory: For natural gas, stoichiometric O₂ ~ 0%. With 15% excess air, flue gas O₂ ≈ (excess air % / 100) × 21% × correction factor. Approx rule: ( O_2 \approx \frac%EA \times 21100 ) → ( 0.15 \times 21 = 3.15% ) O₂.

The 3B1 exam places heavy emphasis on internal combustion engines (ICEs) and turbines. power engineering 3b1 exam questions