1. Complete the map with the correct words.

THE ENGINE
External combustion engine → fuel burns 1. the system

Internal combustion engine → 2. burns inside the combustion 3. at the top of the cylinder
Inside:
Cylinder block → main structure of the 4.
Parts of the cylinder:
• sparkplug → electric current from 5. system to combustion chamber
• valves → intake and 6.
• inlet 7. → air-fuel mixture into cylinder
• exhaust manifold → burnt 8. out of cylinder
• 9. → force from expanding gas to crankshaft
• connecting rod → connects piston to 10.
• gudgeon 11. → connects piston to connecting rod
• crankshaft → rotational motion
• cooling water jacket → hollow passages to maintain 12.

2.1 Answer the question: what is the main function of an engine? aperta

2.2 Answer the question: what is another name for a heat engine? aperta

2.3 Answer the question: how does an external combustion engine work? aperta

2.4 Answer the question: where does the fuel burn in an internal combustion engine? aperta

2.5 Answer the question: what is the role of the sparkplug? aperta

2.6 Answer the question: what do the inlet and exhaust manifolds do? aperta

2.7 Answer the question: what is the function of the piston? aperta

2.8 Answer the question: what is the function of the crankshaft? aperta

3.1 Listen to the recording about the external combustion engine and choose the correct answer.

One of the most advances external combustion engine vehicles is...

3.2 Listen to the recording in the previous exercise and choose the correct answer.

The first external combustion engine motorcycle was produced in...

3.3 Listen to the recording in Exercise 3.1 and choose the correct answer.

The external combustion engine was…

3.4 Listen to the recording in Exercise 3.1 and choose the correct answer.

In 1924, the Ford Model T was sold at…