4. Decide whether the following statements are true or false.

1. Every motorcar has the following components: head, engine, power train, and chassis.

2. There are numerous types of motorcars.

3. Depending on their combustion process, the engines are classified as carburettor engines and automotive engines.

4. The only difference between the engines results from the working method of the internal-combustion engine.

5. There is no difference between four-stroke cycle engines and two-stroke cycle engines.

6. The internal-combustion engine obtains its power from the compression of gases.

7. The internal-combustion engine is used to propel most modern automobiles.

8. The gasoline engine is used only in large vehicles.

9. The fuel system of an automobile includes methane, gas, alcohol and compressed coal gas.

10. Fuel injection is a system whereby a carefully measured amount of oxygen is forced into the combustion chamber at high pressure.

5. Answer the following questions.

1. What are the main components of every motorcar?

2. How may automotive power plants be classified?

3. What is the power plant of the vehicle? Why?

4. What is the difference between carburettor and diesel engines?

5. Which is better for you: four-stroke cycle engines or two-stroke cycle engines?

6. What is a fuel burned with air in internal-combustion engine for?

7. What kind of engine is called an internal-combustion engine?

8. Which engine is often used in automobiles? Why?

9. Which engine is used in large vehicles?

10. What fuel can be used in an internal-combustion engine?

11. What does the fuel system of an automobile include?

12. How many jets do most carburettors have? What are they used for?

6. Match the terms with their definitions.

a) arrangement, b) application, c) diesel, d) gaseous, e) propel, f) amount, g) tool

1. To move, drive or push something forward or in a particular direction;

2. A type of heavy oil used as a fuel instead of petrol/gas;

3. The way things are done or organized;

4. Like or containing gas;

5. A quantity of something;

6. A thing that helps you to do your job or to achieve something;

7. The practical use of something.

7. Match the words with the synonyms.

1) a number of	5) jet	a) kind	e) some
2) numerous	6) primary	b) usually	f) happen
3) type	7) take place	c) many	g) get
4) in general	8) obtain	d) opening	h) main

8. Match the words with the antonyms.

1) many	5) difference	a) heavy	e) external
2) internal	6) expansion	b) high	f) few
3) carefully	7) low	c) duty	g) similar
4) light	8) clean	d) carelessly	h)compression