LV07 advanced engines

Name the component shown

• Valve Guides

• Valve Collets

• Valve Lifters

• Valve Springs

What statement is NOT correct regarding turbochargers?

• Create a higher volumetric efficiency

• Powered by exhaust gases

• Use some of the engine's power to operate

• Contain a turbine and a compressor

It is possible to have either wet, dry or damp liners in an engine.

• True

• False

Name the component shown.

• Centrifugal supercharger

• Non of the above

• Gearbox

• Turbocharger

Blue smoke from an engine is the presence of what in the exhaust?

• Water

• Carbon

• Oil

• Fuel

A cylinder leakage test used to.

• Check for external oil leaks

• Diagnose blown head gasket between two adjacent cylinders

• Diagnose blown head gasket between oil galleries

• Diagnose blown head gasket between water jackets

An inter-cooler is used to...

• Cool exhaust gas to increase NOx content

• Cool the inlet air to decrease its density

• Cool exhaust gas to decrease NOx content

• Cool the inlet air to increase its density

A valve not closing would be because of...

• Broken timing belt

• Broken valve spring

• Bent valve stem

• Incorrect timing

What percentage of engine power can a supercharger use up?

• 0%

• 50%

• 30%

• 40%

One advantage of cam chain driven engines over belt driven engines is that they...

• Are cheaper

• Do not require lubrication

• Have extended service intervals

• Are quieter in operation