1. Spark ignition
  2. Compression ignition
  3. Both (A) and (B)
  4. None of these
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1 Answers

Answer: Option 2

The Compression Ignition engines can work on very lean mixture of fuel. -Compression ignition engine or CI engine is an internal combustion engine in which ignition of the fuel takes place with the help of hot compressed air. -At the end of the compression stroke, fuel is injected into the cylinder and it gets ignited from the heat of compressed air and burning process begins.

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