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Carburettor function in SI engines: identify what mixture it supplies to the engine. Select the correct combination that a carburettor prepares and delivers to the intake.

Q: Carburettor function in SI engines: identify what mixture it supplies to the engine. Select the correct combination that a carburettor prepares and delivers to the intake.

Concept A carburettor (in spark-ignition engines) meters liquid fuel (petrol/gasoline) and mixes it with air to form an air–fuel mixture for induction. Lubricating oil is supplied separately in four-stroke engines. Final Answer Petrol and air.

Difficulty: Easy

Petrol, air and lubricating oil
Air and diesel
Petrol and lubricating oil
Petrol and air

Correct Answer: Petrol and air

Explanation:

Concept
A carburettor (in spark-ignition engines) meters liquid fuel (petrol/gasoline) and mixes it with air to form an air–fuel mixture for induction. Lubricating oil is supplied separately in four-stroke engines.

Final Answer
Petrol and air.

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