Light Vehicle Engine Systems unit 152 Level 2

What is the main function of the crankshaft in an engine?

• To regulate the engine temperature

• To connect the pistons to the camshaft

• To convert linear motion into rotary motion

• To convert rotary motion into linear motion

Which material is commonly used for the cylinder head in modern engines?

• Plastic

• Steel

• Aluminium alloy

• Cast iron

What is the purpose of the oil cooler in an engine?

• To heat the engine oil

• To increase engine oil pressure

• To cool the engine oil

• To filter the engine oil

Which type of engine layout is known for having a low center of gravity?

• Rotary

• Flat or Boxer

• Vee

• Inline

What is the function of the thermostat in a cooling system?

• To filter the coolant

• To increase coolant pressure

• To regulate coolant temperature

• To lubricate the engine

What is the typical high pressure for lubrication in an engine?

• 1-2 bar

• 4-5 bar

• 2-3 bar

• 6-7 bar

What is the main advantage of a hybrid vehicle?

• It only uses a combustion engine

• It only uses an electric motor

• It can run on both a combustion engine and an electric motor

• It does not require a battery

What is the purpose of the oil filter in an engine?

• To decrease oil pressure

• To increase oil temperature

• To add additives to the oil

• To remove contaminants from the oil

Which type of hybrid vehicle can be plugged into the mains to recharge?

• Mild hybrid

• Full hybrid

• Series hybrid

• Plug-in hybrid

What is the function of the flywheel in an engine?

• To start the engine

• To filter the engine oil

• To maintain inertia and smooth out engine firing pulses

• To cool the engine