Презентация, доклад по английскому языку Cooling system

Cooling system is equipment in a motor vehicle that cools the engine. The primary job of the cooling system is to keep the engine from overheating by transferring this heat to the air, but the cooling

Слайд 1COOLING SYSTEM.

COOLING SYSTEM.

Слайд 2Cooling system is equipment in a motor vehicle that cools the

engine. The primary job of the cooling system is to keep the engine from overheating by transferring this heat to the air, but the cooling system also has several other important jobs.
Cooling system is equipment in a motor vehicle that cools the engine. The primary job of the

Слайд 3The engine in the car runs best at a fairly high

temperature. When the engine is cold, components wear out faster, and the engine is less efficient and emits more pollution.
The engine in the car runs best at a fairly high temperature. When the engine is cold,

Слайд 4So another important job of the cooling system is to allow

the engine to heat up as quickly as possible, and then to keep the engine at a constant temperature.
So another important job of the cooling system is to allow the engine to heat up as

Слайд 5The majority of engines are cooled by means of water.
The

cylinder head, the combustion chamber and the valve seats are surrounded by hollow spaces known as water jackets. They are filled with water.
The majority of engines are cooled by means of water. The cylinder head, the combustion chamber and

Слайд 6These jackets are connected by pipes to the top and to

the bottom of the radiator. The radiator is mounted at the front of the car. There are two circulating methods: pump and thermo-syphon.
These jackets are connected by pipes to the top and to the bottom of the radiator. The

Слайд 7Behind the radiator a fan is provided to blow cool air

on the tubes containing water. It is driven by a belt from a pulley on the crankshaft.
Behind the radiator a fan is provided to blow cool air on the tubes containing water. It

Слайд 8Answer the questions:
1. What is the primary job of cooling system?
2.

What is another important job of the cooling system?
3. By what are cooled the majority of engines?
Answer the questions:1. What is the primary job of cooling system?2. What is another important job of

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