Exhaust system fill in the blanks

After the air and fuel has been burnt inside the combustion chamber,

the waste products (_______gases) must be removed and transferred

to the atmosphere.

Exhaust gases could be

harmful if breathed in. A system of steel pipe work is designed to duct

(send) these exhaust gases past the _________ compartment and out of

the back of the car.

Exhaust systems contain a _________ converter, This is a component which uses a chemical reaction to make some of these pollutants less harmful.

The exhaust system will also contain a number of _________. These help to reduce the amount

of noise made by the engine during the combustion process.

The _____ pipe is the first part of the exhaust system after the manifold

It is carefully shaped so it does not restrict the flow of exhaust gas

leaving the engine.

Absorption usually contains a _____ fibre material. As the exhaust gases pass through it, it helps to remove high-pitched noises.

Expansion Silencers. Usually a larger box containing _______ (metal plates and deflectors). These slow the exhaust gases down, allowing them to expand and remove low-pitched noises.

The inside of a catalytic converter is usually made of a _______ honeycomb.

The honey comb of the catalytic converter is coated in precious metals such as platinum, _________ and rhodium

The Lambda sensor measures the amount of ______ in the exhaust gases as they leave the engine