Question
Download Solution PDFWhich of the following is the cetane number of diesel in India?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Diesel fuel:
- Diesel engine fuel is a highly refined distillate fuel obtained from the fractional distillation of crude oils.
- There are light medium and heavy diesel fuels available in the market, which are used as per the recommendations of engine manufacturers.
Cetane number:
- The cetane number (Cetane rating) is an indicator of the combustion speed of diesel fuel and the compression needed for ignition.
- Cetane number is in the range of 41-50.
- It is an inverse of the similar octane rating for gasoline.
- The CN is an important factor in determining the quality of diesel fuel, but not the only one; other measurements of diesel’s quality include energy content, density, lubricity, cold-flow properties, and sulphur content.
Additional Information
Octane number:
- It is a measure to determine the burning quality of the gasoline.
- It has the tendency to resist knocking in an engine.
- The higher the octane number the lesser the tendency to knock.
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