Ответы » Английский язык (35697 вопросов)

Прочитайте текст. The inclusion of other elements affects the properties of the steel. Manganese giv...: ответ на тест 933229 - Английский язык

Прочитайте текст.
The inclusion of other elements affects the properties of the steel. Manganese gives extra strength and toughness. Steel containing 4 per cent silicon is used for transformer cores or electromagnets because it has large grains acting like small magnets. The addition of chromium gives extra strength and corrosion resistance, so we can get rust-proof steels. Heating in the presence of carbon or nitrogen-rich materials is used to form a hard surface on steel (case-hardening). High-speed steels, which are extremely important in machine-tools, contain chromium and tungsten plus smaller amounts of vanadium, molybdenum and other metals.
Закончите предложение:
Steel containing 4 per cent silicon …
Варианты ответов
  • is used to form a hard surface on steel
  • is used for transformer cores or electromagnets
  • gives extra strength and corrosion resistance
  • are extremely important in machine-tools
Тип вопроса: Вопрос с одним правильными вариантом
Правильный ответ
Помогли ответы? Ставь лайк 👍
Расскажи другу:
Вопрос задал(а): Анонимный пользователь, 13 Ноябрь 2020 в 16:22
На вопрос ответил(а): Анастасия Степанова, 13 Ноябрь 2020 в 16:22

Похожие вопросы

Вопрос № 1046356

Прочитайте текст.
The inclusion of other elements affects the properties of the steel. Manganese gives extra strength and toughness. Steel containing 4 per cent silicon is used for transformer cores or electromagnets because it has large grains acting like small magnets. The addition of chromium gives extra strength and corrosion resistance, so we can get rust-proof steels. Heating in the presence of carbon or nitrogen-rich materials is used to form a hard surface on steel (case-hardening). High-speed steels, which are extremely important in machine-tools, contain chromium and tungsten plus smaller amounts of vanadium, molybdenum and other metals.
Закончите предложение:
Steel containing 4 per cent silicon …
is used to form a hard surface on steel
are extremely important in machine-tools
gives extra strength and corrosion resistance
is used for transformer cores or electromagnets

Вопрос № 1072320

Прочитайте текст.
What is steel as a construction material? Steel may be classified as iron with the controlled amount of carbon. The amount of carbon in steel is generally less than 1.7 per cent. Ordinary structural steel should contain less than three tenth of one per cent carbon. This kind of steel also contains small amounts of phosphorus, sulfur, oxygen, nitrogen and silicon. Like iron and its alloys, steel belongs to ferrous metals. It is hard substance. Accordingly, it can be pulled, forged and melted. Generally, steel, this strong metal, like other metals, is a good conductor of electricity. Alloyed steel and stainless steel are corrosion-resistant kinds of steel.
Закончите предложение:
Steel belongs to …
non-ferrous metals
plastic materials
plywood siding materials
ferrous metals

Другие вопросы по предмету Английский язык

Вопрос № 933230

Прочитайте текст.
The development of transport facilities was very important in the growth of the United States. The first travel routes were natural waterways. No surfaced roads existed until the 1790s, when the first highways were built. Besides the overland roads, many canals were constructed between the late 18th century and 1850 to link navigable rivers and lakes in the eastern United States and in the Great Lakes region.
Закончите предложение:
The first highways were built …

Вопрос № 933231

Прочитайте текст.
Naval architects are engineers who design and supervise construction of ships. Ships must be designed and built so that they are safe, stable, strong, and fast enough to perform the type of work intended for them. A naval architect must be familiar with the variety of modern shipbuilding.
Marine engineering is a specialized branch of mechanical engineering devoted to the design and operation of systems, both mechanical and electrical, needed to propel a ship. Engineers in this field develop diesel engines and steam turbines that provide enough power to move the ship at the required speed.
Закончите предложение:
A naval architect must be familiar with …

Вопрос № 933232

Прочитайте текст.
Soldering is recommended for making connections on electrical circuits, but it should never be used where strong joints are required. For permanent joints between two dissimilar materials like nylon and metal, it is advisable to use adhesives. For temporary jobs, like fitting a maintenance cover, screw-fastening should always be used. Riveting is recommended for permanent sheet-metal joints such as outer casing fitting. Although welding should always be used for steel support girders, brazing can be used for medium-sized joints where strength is required; for example the joint between the base and body of a hydraulic jack.
Закончите предложение:
Screw-fastening should always be used for …

Вопрос № 933233

Прочитайте текст.
Cast iron should be used for components which must be strong in compression. It is recommended for machine beds and frames. Wrought iron is recommended for components where tensile strength is required; for example, crane hooks and railway couplings. Mild steel should be used for components which must be strong in shear; therefore it is recommended for rivets and bolts. Medium carbon steel is recommended for components where impact strength is required; for example, axles and hammer heads.
Закончите предложение:
Wrought iron is recommended for …
А еще можно заказать:
Лабораторные от 200 руб Контрольные от 200 руб Курсовые от 500 руб Дипломные от 3000 руб Отчет по практике от 500 руб
Все Предметы (168)