1. Hit and miss governing
  2. Qualitative governing
  3. Quantitative governing
  4. Combination of (B) and (C)
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1 Answers

Answer: Option 3

-The spark ignition engines are governed by Quantitative governing. -SI engines being quantitatively governed by controlling the quantity of charge inducted, leading to high throttling losses. -To qualitatively govern the engine, charge purity was reduced by incorporating EGR, thereby reducing the amount of available oxygen in the charge inducted.

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