Английский язык | 10 - 11 классы
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Gas Welding
Gas welding is a non - pressure process using heat from a gas flame.
The flame is applied directly to the metal edges to be joined and simultaneously to a filler metal in the form of wire or rod, called the welding rod, which is melted to the joint.
Gas welding has the advantage of using equipment that is portable and doesn't require an electric power source.
The surface to be welded and the welding rod are coated with flux, a fusible material that shields the material from air, which would resist in a defective weld.
Arc Welding
Arc welding is the most important welding process for joining steels.
It requires a continuous supply of
either direct or alternating electrical current.
This current is used to create an electric arc, which generates
enough heat to melt and create a weld.
Arc welding has several advantages over other welding methods.
Arc welding is faster because the
concentration of heat is high.
Also, fluxes are not necessary in certain methods of arc welding, The most
widely used arc - welding processes are shielded metal arc.
Gas - tungsten arc, gas - metal arc, and submerged
arc.
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Welding
Welding is a process when metal parts are joined together by the application of heat, pressure or a combination of both.
The process of welding can be divided into two main groups :
• pressure welding, when the weld is achieved by pressure and
• heat welding, when the weld is achieved by heat
Heat welding is the most common welding process used today.
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Nowadays welding is used instead of bolting and riveting in the construction of many types of constructions, including bridges, buildings, and ships.
It is also a basic process in the manufacture of machinery and in the motor and aircraft industries.
It is necessary almost in all productions where metals are used.
The welding process depends greatly on the properties of the metals, the purpose of their application and the available equipment.
Welding processes are classified according to the sources of heat and pressure used : gas welding, arc welding, and resistance welding.
Other joining processes are laser welding, and electron - beam welding.
Gas Welding
Gas welding is a non - pressure process using heat from a gas flame.
The flame is applied directly to the metal edges to be joined and simultaneously to a filler metal in the form of wire or rod, called the welding rod, which is melted to the joint.
Gas welding has the advantage of using equipment that is portable and doesn't require an electric power source.
The surface to be welded and the welding rod are coated with flux, a fusible material that shields the material from air, which would resist in a defective weld.
Arc Welding
Arc welding is the most important welding process for joining steels.
It requires a continuous supply of
either direct or alternating electrical current.
This current is used to create an electric arc, which generates
enough heat to melt and create a weld.
Arc welding has several advantages over other welding methods.
Arc welding is faster because the
concentration of heat is high.
Also, fluxes are not necessary in certain methods of arc welding, The most
widely used arc - welding processes are shielded metal arc.
Gas - tungsten arc, gas - metal arc, and submerged
arc.
Wordlist
pressure welding сварка давлением
arc welding электродуговая сварка
resistance welding контактная сварка
laser welding лазерная сварка
electron - beam welding электронно - лучевая сварка
to shield заслонять, защищать
bolting скрепление болтами
riveting клепка
Questions
1.
What is welding?
2. What are the two main groups of welding?
3. Where is welding necessary?
4. What do the welding process of today include?
5. What are the principles of gas and arc welding?
Нужно вставить подходящие слова : liquefaction, LNG storage tank, vaporizers, to pipeline system, LNG tanker?
Нужно вставить подходящие слова : liquefaction, LNG storage tank, vaporizers, to pipeline system, LNG tanker.
1. The gas field p_______ gas.
2. It come out of the ground as a v________.
3. The liquefaction facility l________ the gas.
4. the gas is now a l________.
It goes into the tanks.
5. The tanks s_____ the gas.
6. The gas goes from the tanker into tanks for s______.
7. The vaporizers v_________ the gas.
Match the pictures with the names of sports and games in which they are used?
Match the pictures with the names of sports and games in which they are used.
Match the pictures with the names of sports and games in which they are used?
Match the pictures with the names of sports and games in which they are used.
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Срочно
THE LOUVER
From the fortress of Philippe Auguste (1190) to the completion of the "Grand Dessein" (1870), the Louver
palace has extended progressively along the right bank of the Seine.
A true barrier separating the northern and southern parts of the city, the building constitutes the point of
departure of the great East - West view, which crosses the Arc du Carrousel, the obelisk in the Place de la Concorde, the Arc de Triomphe on the Champs - Elysées, and extends right out.
The international renown of the Louver museum sometimes makes us forget that it was originally designed
as a palace.
Since the middle ages, its development has been quite exceptional, marked by both the major
events of French history and the succession of architects and decorators who have left their mark on it.
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THE LOUVER
From the fortress of Philippe Auguste (1190) to the completion of the "Grand Dessein" (1870), the Louver
palace has extended progressively along the right bank of the Seine.
A true barrier separating the northern and southern parts of the city, the building constitutes the point of
departure of the great East - West view, which crosses the Arc du Carrousel, the obelisk in the Place de la Concorde, the Arc de Triomphe on the Champs - Elysées, and extends right out.
The international renown of the Louver museum sometimes makes us forget that it was originally designed
as a palace.
Since the middle ages, its development has been quite exceptional, marked by both the major
events of French history and the succession of architects and decorators who have left their mark on it.
1. Раскройте скобки, употребляя глаголы в Present, Past или Future Simple Passive?
1. Раскройте скобки, употребляя глаголы в Present, Past или Future Simple Passive.
13. During the Renaissance arts and science underwent great changes.
In architecture these changes (mark) by a return to classical forms and proportions of ancient Roman buildings.
14. The consignment (deliver) to the customer by next Monday.
15. Sensors (use) to check variations of light, heat, temperature, position, moisture and many other physical data.
16. Velocity (measure) in kilometers per hour, miles per hour, or meters per second.
17. In arc welding the intense heat needed to melt metal (produce) by an electric arc.
18. Diesel engines commonly (use) in heavy machinery, locomotives, ships and in cars.
19. If various objects (connect) to form separate paths between the terminals of a source of electric current, they are said to be “connected in parallel”.
Put 4 types of the question to this sentence Yevhen Paton was the first to apply electric welding in bridge construction?
Put 4 types of the question to this sentence Yevhen Paton was the first to apply electric welding in bridge construction.
Помогите спасибо.
Подчеркните сказуемое, определите его залог?
Подчеркните сказуемое, определите его залог.
1. The new device had been tested in action by the end of the last month.
2. Rails were.
Produced at a special electric welding shop.
3. This experimental work will have been completed by the beginning of the year.
4. The Sapsan trains fully comply with the Russian Federation safety standards.
Metal and metal - using industries contribute more than 50% of the exports?
Metal and metal - using industries contribute more than 50% of the exports.
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Газовая сварка
Газовая сварка является процессом без давления с использованием тепла от газового пламени.
Пламя наносится непосредственно на металлические торцы соединяются и одновременно с присадочным металлом в виде проволоки или прутка, называемый сварочный стержень, который расплавляется по отношению к суставу.
Газовая сварка имеет преимущество использования оборудования, которое является портативным и не требует источника электроэнергии.
Поверхность свариваемого и сварочный стержень покрыты флюсом, легкоплавкого материала, который защищает материал от воздуха, которые сопротивляются бы в дефектной сварной шов.
Дуговая сварка
Дуговой сварки является наиболее важным процессом сварки для соединения сталей.
Для этого требуется непрерывная подача
либо постоянного или переменного электрического тока.
Этот ток используется для создания электрической дуги, которая генерирует
достаточно тепла, чтобы расплавить и создать сварной шов.
Дуговой сварки имеет ряд преимуществ по сравнению с другими методами сварки.
Дуговой сварки происходит быстрее, так как
концентрация тепла высока.
Кроме того, потоки не необходимы в некоторых способах дуговой сварки, Наиболее
широко используемые для дуговой сварки ограждены металлической дугой.
Газ - вольфрамовым электродом, газовая дуговая, и погружали
дуги.