Podcast
Questions and Answers
Which type of engine in the text uses spark ignition?
Which type of engine in the text uses spark ignition?
How is the fuel delivered to the cylinder in a four-stroke diesel engine?
How is the fuel delivered to the cylinder in a four-stroke diesel engine?
What closes one end of the cylinder in both types of engines discussed?
What closes one end of the cylinder in both types of engines discussed?
What connects to the inlet and exhaust manifolds in the cylinder head?
What connects to the inlet and exhaust manifolds in the cylinder head?
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What circulates through the water jackets in the cylinder and head?
What circulates through the water jackets in the cylinder and head?
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What is the function of the camshaft in a diesel engine?
What is the function of the camshaft in a diesel engine?
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What drives the camshaft in a diesel engine?
What drives the camshaft in a diesel engine?
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What is the function of the fuel injector pump in a diesel engine?
What is the function of the fuel injector pump in a diesel engine?
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What is the purpose of introducing fuel oil at a higher pressure in a diesel engine?
What is the purpose of introducing fuel oil at a higher pressure in a diesel engine?
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What does the high compression ratio in a diesel engine produce?
What does the high compression ratio in a diesel engine produce?
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Study Notes
Engine Components and Functions
- The engine type that uses spark ignition is a petrol engine.
Cylinder Structural Components
- The piston closes one end of the cylinder in both petrol and diesel engines.
Fuel System Components
- In a four-stroke diesel engine, fuel is delivered to the cylinder through fuel injectors.
- The fuel injector pump is responsible for delivering fuel oil at high pressure in a diesel engine.
- The purpose of introducing fuel oil at high pressure in a diesel engine is to create a high compression ratio.
Cylinder Head Components
- The inlet and exhaust manifolds connect to the cylinder head.
Cooling System Components
- Coolant circulates through the water jackets in the cylinder and head.
Camshaft and Valve Operation
- The camshaft operates the valves in a diesel engine.
- The camshaft is driven by the crankshaft in a diesel engine.
Compression and Combustion
- The high compression ratio in a diesel engine produces heat, which ignites the fuel.
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Description
This quiz covers the basic construction of a four-stroke gasoline engine with spark ignition and a carburetor, as well as a four-stroke diesel engine with compression ignition and no carburetor. It discusses the differences in operation, fuel delivery, and number of cylinders.
