Question

Detonation in petrol engines can be suppressed or reduced by the addition of small quantity of

Answer 1

The detonation in petrol engines can be suppressed or reduced by the addition of a small quantity of lead ethide or ethyl fluid to the fuel.

- Detonation is defined as the spontaneous combustion inside the cylinder after the spark plug ignites. It is also known as Knocking.

- To reduce or suppress engine knocking by raising the temperature and pressure at which auto-ignition occurs, an antiknock agent such as lead ethide is used