Exercise 4

Complete the following sentences.

1. A spark-ignition engine uses electricity and spark plugs to ignite the fuel………………….

2. Combustions engines may be divided into two types according to…………..

3. Fuel injected into the hot……………………

4. It compresses the air in the cylinders……………………….

5. Most of the locomotives all over the world are…………………..

6. During the combustion process, the stored chemical energy in the fuel is……………………………………………

7. A cylinder head which closes the top end of the cylinder so as to make a confined space………………………….

8. To ignite the fuel, the compressed air must…………………

9. During the exhaust stroke, the piston moves up and…………………

10 A man whose name was ………… patented his engine design in 1892 and operated ………………….. in 1897.

Exercise 5

Form sentences combining suitable parts of the sentence given in columns 1 and 2.

1 Valve is the act of burning something or the process of burning

2 Nozzle is a part of an engine that slide up and down inside tube and cause various parts of engine to move.

3 Rod is the act of pressing or squeezing so that it takes up less space.

4 Compression is an official right to be the only person or company allowed to make or sell a new product.

5 Piston the area that is empty or available in a place, building or container.

6 Patent is a part attached to a pipe or a tube when it is open, it lets air or liquid pass through.

7 Space is a long thin pole or bar usually made of metal.

8 Combustion is a narrow end piece fitted to a nose or pipe to control the flow of a liquid coming out of it.

9 Regulation the process of joining one thing to another.

10 Volume the amount of space that it contains or occupies.

11 Connection is a controlling of an activity or process.

12 Engine is a rise in the number, level, amount of something

13 To increase is a part of a car or a vehicle that produces the power that makes the vehicle move.

14 Flywheel is a device that controls the quantity of fuel entering the engine and is used to control the vehicle’s speed

15 Crankshaft is a part of an engine consisting of a rod with one or more cams attached to it

16 Camshaft is the main shaft of an internal-combustion engine

17 Throttle is a part of a machine that supports or holds another part which turns or moves and which is designed to reduce friction.

18 Bearing is a heavy wheel that is part of a machine and makes it work at a steady speed.

Unit IV

Exercise 1

Read the following words and word combinations. Repeat them after teacher. Try to memorize them.

1. lubricating oil system система змащування

2. water jacket водяна сорочка

3. vent pipe вентиляційна труба

4. radiator shutters заслінка радіатора

5. friction тертя

6. to supply подавати

7. crankcase sump піддін картера

8. to assist допомагати,сприяти

9. to maintain утримувати

10. to circulate циркулювати

11. to provide забезпечувати

12. to cool охолоджувати