III. Language
Exercise 1. Match words and word combinations in column A with those in column B.
A B
1.Rotary motion паровой двигун
2. steam engine обертаючий рух
3. burning oil підгрупа
4. mobile equipment перетворювати
5. to convert рухоме обладнення
6. output velocity нафта, яка горить
7. to and fro motion поступовий рух
8. piston вихідна швидкість
9. especially suitable поршень
10. subgroup особливо придатний
Exercise 2. Fill in the blanks using words from the brackets.
1. A machine that coverts heat energy to mechanical energy is called…(heat engine, diesel engine,, motor-car)
2. Most of modern automobile engines operate on four stroke … (circle, cycle, piston)
3. A machine that produces power by burning oil in a body of air which his been squeezed to a high pressure by a moving piston is called …(heat engine, diesel engine, steam engine)
4. A machine that converts the heat energy of steam to mechanical energy is called…(heat engine, diesel engine, steam engine)
5. (Diesel engine, heat engine, steam engine) … are most suitable where an independent source of power is recurred.
Exercise 3. Say the following sentences in English:
1. Тепловий двигун перетворює теплову енергію на механічну.
2. Існує декілька видів теплових двигунів, які використовуються у багатьох видах машин.
3. Паровий двигун перетворює теплову енергію пару в механічну.
4. Рудольф Дизель сконструював свій перший двигун в 1892 році.
5. Відомо, що дизельні двигуни знаходять велике застосування в наші дні.
Exercise 4. Ask questions on all the parts of the following sentences:
R. Diesel carried out all experimental work with liquid fuel.
Aircraft engines cooled by air are manufactured today in sizes ranging from 50 to 3500 hp.
The problem to studied can be simplified by the use of controlled experimental conditions.
IV. Oral practice
Exercise 1. Get ready to answer the following sentences.
What types of engine do you know?
What is a heat engine?
3. Into what types may combustion engines be divided?
4. What is a diesel engine?
5. Where are diesel engines especially suitable?
What parts does a typical engines consist of?
What was the first engine?
Exercise 2. Explain the difference between engines: the heat engine and the diesel engine.
Exercise 3. Get ready to speak about different engines. What were the first engines used by people?