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Diesel ignition principle: fuel spray ignition due to hot compressed air Statement: In a diesel (compression-ignition) engine, fuel is injected as a fine spray into the cylinder and it ignites because the compressed air temperature is high. Decide whether the statement is correct.

Difficulty: Easy

Correct Answer: True

Explanation:

Given data

  • Engine type: compression-ignition diesel.


Concept/Approach
In CI engines, air is compressed to a high pressure and temperature. Near the end of compression, finely atomized fuel is injected; the high air temperature causes auto-ignition without a spark.


Final Answer
True

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