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WorksheetsLight Vehicle Engine Systems unit 152 Level 2
Total questions: 15
Worksheet time: 8mins
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
What is the main component of the cooling system that allows air to pass through and cool the coolant?
Thermostat
Expansion reservoir
Water pump
Radiator
What is the main purpose of antifreeze in a cooling system?
To lubricate the engine
To prevent coolant from freezing
To increase engine power
To clean the engine
What type of engine uses a spark plug to ignite the air-fuel mixture?
Compression ignition engine
Spark ignition engine
Diesel engine
Rotary engine
What is the main function of the connecting rods in an engine?
To regulate engine temperature
To connect the crankshaft to the camshaft
To connect the pistons to the crankshaft
To filter the engine oil
What is the main advantage of using a 48-volt system in a mild hybrid vehicle?
It eliminates the need for a combustion engine
It reduces the vehicle's weight significantly
It allows the vehicle to run solely on electric power
It supports the combustion engine and provides extra power
