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6. Choose the correct translation of the following words:

1.quickly - швидкість, швидкий, швидко

2.mixture - змішувати, змішаний, суміш

3.explosion - підривати, вибух, вибухівка

4.smoothly - рівно, рівний, рівняння

7. Give English equivalents:

Циліндр, запалювати, рухатися вниз, проходити до колінвалу, за допомогою шатуна, стискати пальну рідину, втягувати рідину, карбюратор, вибух, виштовхувати гази та дим

Unit 7 Cooling system. Lubricating system

1. Memorize the new words and word-combinations:

1.bottom

2.friction

3.fan belt

4.ring

5.sump

6.to rub

7.traffic lights

8.clutch plate

9.cool

10.size

11.revolution

12. to slip

13.to join

14.groove

низ

тертя, фрікція

ремінь вентилятора

кільце, коло

грязевідстійник

терти

світлофор

диск зчеплення

охолоджувати

розмір

оборот

посковзнути

з’єднувати

канавки

2. Translate the word-combinations:

fan belt, to start the car moving, to cause the engine to wear, traffic lights, to transmit straight to the wheels, to be cooled by air, clutch plate, propeller shaft, cooling system

3. Translate the international words:

radiator, litre, transmission, steel, minute, differential, neutral, reverse, to press, material, automobile, mechanical, action

4. Match words:

1) sump

2) friction

3) size

4) revolution

5) to join

6) oil

7) to slip

8) to rub

9) groove

10) to carry

a) poзмір

b) масло

c) посковзнути

d) зʼєднувати

e) піддон

f) тертя

g) канавка

h) нести

i) терти

j) oбopoт

5. Read and translate the text.

Cooling system. Lubricating system

Cooling system.

When the engine is working, it gets hot. The heat comes from the explosions in the cylinders and from friction. How is it kept cool? This is usually done with water. The water flows from the radiator. It flows through holes in the cylinder block. The holes pass round the cylinders. The water enters the bottom of the block. When it is hot, it rises to the top of the block. From there it flows back into the top of the radiator. A small pump helps it to flow. The pump is moved by the fan belt. The hot water from the engine flows slowly through the radiator. When the car is moving, air flows through the radiator. The air makes the water cool again. A fan helps the flow of air. The crankshaft moves the fan. Some engines are cooled by air only, not by water.

Lubricating (oiling) system.

There are many places in an engine where metal rubs against metal. For example, the piston rings rub against the cylinder walls. The crankshaft rubs against the inside of the big end. When this happens, the metal gets hot. This rubbing together of metal (friction) and the heat cause the engine to wear. This friction can be made less by using oil. There is a large container (the sump) at the bottom of the engine. The sump holds over 1 gallon (4,5 litres) of oil. Many pipes and holes go from the sump. The oil flows through these to places where there is friction: the cylinder, the camshaft, the crankshaft. A pump in the sump pumps the oil to these places. The pump is worked by the camshaft.

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