Question

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

a.

paraffins, aromatics, napthenes

b.

paraffins, napthenes, aromatics

c.

napthenes, aromatics, paraffins

d.

napthenes, paraffins, aromatics

Posted under Mechanical Engineering

Answer: (b).paraffins, napthenes, aromatics

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

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