Question

what is steam engine
difference Between petrol and diesel engine​

Answer 1

Answer:

A steam engine is a heat engine that performs mechanical work using steam as its working fluid. The steam engine uses the force produced by steam pressure to push a piston back and forth inside a cylinder. This pushing force is transformed, by a connecting rod and flywheel, into rotational force for work.

Diesel engines don't have any. The main difference between diesel and petrol engines is that petrol engines use spark plugs to ignite the air-fuel mixture, while diesel engines rely solely on heavily compressed air. ... In other words, more energy can be extracted out of the air-fuel mixture.

Answer 2

Explanation:

The primary difference (as most of you already know), is that petrol engines use spark plugs to ignite the air-fuel mixture, while diesel engines rely on heavily compressed air without any spark plugs. ... Diesel engines are more efficient and use 15−20% less fuel translating into cheaper running costs.

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