Вступ до методичних рекомендацій

Ex.10. Translate the following sentences into English:

1. 
   Чорні метали використовуються в промисловості в двох формах, як сталь та чавун.
   
2. 
   Ковкий чавун можуть переправляти у великі маси через його високе всідання.
   
3. 
   Сірий чавун можуть переплавляти в різні відливки.
   
4. 
   Вуглець є найважливішим елементом , що присутній в чорних сплавах.
   
5. 
   Чавун містить більше вуглецю ніж сталь.
   

Ex.11. Ask questions to get the following answers:

1. 
   Metals applied for industrial purposes are called “engineering metals”.
   
2. 
   The cast metal is shaped in the mould where it cools and solidifies.
   
3. 
   The shop where metals are cast is called a “foundry”. Steel is iron with a very little carbon content (from 0.05 to 1.7 per cent) which makes it much stronger than iron.
   
4. 
   Very much carbon makes steel brittle, which reduces its strength.
   
5. 
   In comparison with other casting metals grey iron is weak and will not stand great shock.
   
6. 
   Alloy grey iron is one of the latest alloys developed and has a promising future.
   
7. 
   Malleable iron castings are used in agriculture machinery, railroad equipment, automobile parts and many other products.
   

ІV. Comprehension


Ex. 12. Agree or disagree with the following statements:

1. 
   Metals applied for industrial purposes are called “ ferrous metals”
   
2. 
   Ferrous metals consist of iron combined with carbon, silicon, phosphorus and other elements.
   
3. 
   Phosphorus is the most important of all elements present in ferrous alloys.
   
4. 
   Steel is iron with a very little carbon content.
   
5. 
   Cast iron contains a higher percentage of carbon than copper does.
   
6. 
   The alloy of grey castings is composed of iron, carbon, silicon, phosphorus, manganese, and sulphur.
   
7. 
   Alloy grey iron is one of the latest alloys and hasn’t a promising future.