Air and Exhaust basic

Why is a dry element air filter pleated

• To increase the surface area

• Its easier to manufacture

• It improves the look

• It cools the air down

Apart from removing particles from the air the air cleaner also

• Increases the oxygen

• Quietens the air intake

• stops smoke in the exhaust

• Pressurises the air

Two other types of air cleaner can be known as a:

• oil shower and cycle home

• oil bath and spinner

• oil bath and cyclone

• oily cyclone and wet bath

Intake manifolds are tubes connected to the inlet ports of an engine to guide in:

• Fuel

• Fuel and air

• Exhaust gasses

• Engine oil

Inlet manifolds on old vehicles used to hold the carburetor to mix the fuel into the air, but inlet manifolds on modern vehicles hold the .............. ........... instead

• Exhaust manifold

• Fuel pump

• petrol mixers

• fuel injectors

A Plenum chamber is part of the inlet manifold it could be known as a type of:

• sump

• Mixer

• Reservoir

• pump

One type of engine only takes air into the engine, which is it?

• Petrol engine

• Diesel engine

This is the first part of the exhaust system, what is it called?

• Inlet manifold

• Down pipe

• Tail pipe

• Exhaust manifold

What is the main safety consideration when working with or near an exhaust system?

• Its likely to be oily

• Its likely to be hot

• It could be corrosive

• It could be noisy

What is the English term for Muffler?

• Silencer

• Quietener

• Hand warmer

• Box