Distinguish between octane number and cetane number.

1.	Distinguish between octane number and cetane number.
Answer» Octane Number: 1. Octane rating is used for petrol 2. It measures the amount of octane present in petrol 3. Octane number of petrol can be increased by adding benzene or toluene. Cetane Number: 1. Cetane rating is used for diesel 2. It measures the ignition delay of the fuel in diesel engine. 3. Cetane number of diesel can be increased by adding acetone. 4. The fuel with high cetane number has low octane number 4. The fuel with high octane number has low cetane number

Answer»

Octane Number:

1. Octane rating is used for petrol

2. It measures the amount of octane present in petrol

3. Octane number of petrol can be increased by adding benzene or toluene.

Cetane Number:

1. Cetane rating is used for diesel

2. It measures the ignition delay of the fuel in diesel engine.

3. Cetane number of diesel can be increased by adding acetone.

4. The fuel with high cetane number has low octane number

4. The fuel with high octane number has low cetane number

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