L1AM09

What is the purpose of the catalytic convertor?

• To change the constituent of the gases.

• To quieten the gases.

• To change the temperature of the gases

• To change the direction of the gases before the silencer,

What is the purpose of the lambda sensor?

• To measure the CO2 content of the exhaust gases.

• To measure the Hydrogen content of the exhaust gases.

• To measure the Oxygen content of the exhaust gases.

• To measure the Nitrogen content of the exhaust gases.

How should an exhaust be removed?

• From the front to the rear.

• Always separate each piece.

• From the rear to the front.

• Never remove the exhaust.

What can you not find in a catalytic converter?

• Platinum

• Palladium

• Rhodium

• Molybdenum

Which one of these is a good gas?

• Nox

• CO2

• Nitrogen

• CO

Which metal are exhausts made from?

• Mild steel

• Toughened steel

• Aluminium

• Alloy steel

Which is the bad gas that can be emitted by exhausts?

• Carbon Dioxide.

• Hydrogen

• Carbon monoxide

• Nitrogen

Which is the good gas that can be emitted by exhausts?

• Oxides of nitrogen.

• Hydrocarbons

• Nitrogen

• Carbon monoxide

Where is the best place to fit the catalytic converter?

• As close to the cylinder head as possible.

• As close to the Lambda sensor as possible.

• As close to the silencer as possible.

• As close to the Oxygen sensor as possible.

What is this tool for?

• To turn the engine over.

• To remove oil filters.

• To cut exhaust pipes.

• To fit timing chain.