4. Переведите на русский язык в письменной форме абзацы 1,2 ,4, 5 и 6.

5. Найдите соответствующие ответы на вопросы и напишите их в той последовательности, в которой заданы вопросы: Вопросы

1. What is the function of a motor?

2. What are the essential parts of a generator?

3. Where are large generators employed?

4. What special purposes are generators of small capacities used?

5. What device converts mechanical energy into electrical one?

Ответы

a. They are employed in certain manufacturing processes, such as steel making.

b. A generator.

c. It transforms electric energy into mechanical energy.

d. They are used in arc welding, automobile generators, train lighting systems, etc.

e. They are: a) the magnetic field, which is produced by permanent magnets or electromagnets; b) a moving coil of copper wire, called the armature, wound on a drum.

6. Закончите предложения, выбрав соответствующий вариант окончания:

1.The essential parts of a generator are: …

a) the magnetic field, which is produced by permanent magnets or electromagnets;

b) a moving coil of copper wire, called the armature, wound on a drum.

c) stator and rotor.

2.The enormous energy of steam engines, gas engines, and water turbines can now be

transformed into electricity …

a) by means of motors.

b) by means of generators.

3.The d.c. generator of small capacities is used ...

a) for various special purposes such as arc welding, automobile generators, train lighting

systems.

b) in certain manufacturing processes, such as steel making.

4. A device for converting mechanical energy into electric energy is called ...

a) a generator.

b) a motor.

c) a transformer.

Вариант 4

1. Найдите в правой колонке русские эквиваленты слов и словосочетаний:

1 alternating current a. применение

2. device b. изолированная катушка

3. application c. проволока, провод

4. insulated coil d. толщина

5. primary/secondary winding e. прибор, устройство

6. load f. оборот, виток

7. ring of iron g. высококачественная сталь

8. wire h. частота

9. strand i. нагрузка

10. high-grade steel j. петля, контур

11. frequency k. железное кольцо

12. thickness l. переменный ток

13. loop m. жила, кабель

14. turn n. первичная/вторичная обмотка