The fuels in order of decreasing knock tendency for spark ignition engines are Options: A . &nbspParaffin, napthene, aromatic B . &nbspNapthene, paraffin, aromatic C . &nbspNapthene, aromatics, paraffin D . &nbspParaffin, aromatic, napthene

The fuels in order of decreasing knock tendency for spark ignition engines are

Question

The fuels in order of decreasing knock tendency for spark ignition engines are

Options:

A . Paraffin, napthene, aromatic

B . Napthene, paraffin, aromatic

C . Napthene, aromatics, paraffin

D . Paraffin, aromatic, napthene

Answer: Option A

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