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Question

The self ignition temperature of diesel is ________ as compared to that of petrol.

The correct answer is
is lower

Comparing Fuel Self Ignition Temperatures

The self-ignition temperature is the minimum temperature at which a fuel will ignite spontaneously without any spark or flame.

When comparing diesel and petrol:

  • Diesel fuel has specific chemical properties that cause it to ignite more readily under compression heat compared to petrol.
  • Petrol, being more volatile, typically requires a higher temperature or a direct spark to ignite.

Based on this comparison, the self-ignition temperature of diesel is considered lower than that of petrol.

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Important Questions from IC Engine Cycles

  1. The pressure of charge inducted through the inlet port inside the cylinder in the case of a two-stroke engine is _______.

  2. From which of the following air standard cycles an Otto cycle may be obtained if constant pressure heat addition is removed?

  3. Lenoir cycle is used for:

  4. The constant volume cycle is also called

  5. _______ engines is work in vacuum

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