Exercise 2. Match the questions with the answers

Exercise 2. Match the questions with the answers

a) 1. Are electron tubes classified by the number of electrodes they contain?

 

a) No, it isn’t.

2. Is a tube with three electrodes called a diode? b) Yes, there are.

3. Are there four methods of obtaining emis- sion?

c) Yes, it is.

4. The operation of electron tubes is based on

the thermionic emission, isn’t it?

d) Yes, they are.

 

b) 1. The diode design isn’t complex, is it?          a) Yes, it does.

2. Does the diode conduct the current in one di- rection only?

b) No, it doesn’t.

3. Is the diode used as a rectifier?                     c) No, it isn’t.

4. Does the triode convert AC voltage into DC voltage?

d) Yes, it is.

 

c) 1. Is the triode used as a rectifier?                    a) No, there aren’t.

2. Are there four electrodes in a triode?           b) Yes, it is.

3. Does the plate control the flow of electrons? c) No, it isn’t.

4. Is the grid placed between the plate and the cathode?

d) No, it doesn’t.

PART 3.

                       ELECTRIC POWER GENERATION                        

Unit 1. Power plant

Vocabulary

alternator                              генератор переменного тока

beam                                     луч

boiler                                    паровой котел, бойлер

chain reaction                       цепная реакция

to condense                          конденсировать

convenient                            удобный

dam                                       дамба, плотина

equipment                            оборудование

fissile                                    расщепляющийся;    подвергающийся расщеплению, ядерному делению

fission                                   расщепление, деление (атомного ядра при цепной реакции)

fossil fuel                             ископаемое топливо

to generate                            вырабатывать (энергию и т.п.), произво- дить, генерировать

geothermal energy               геотермальная энергия hydroelectric power plant                          гидроэлектростанция industrial enterprise                                              промышленное предприятие nuclear energy                                   ядерная, атомная энергия

petroleum                             нефть

photovoltaic power plant     фотоэлектрическая станция

power plant                          электростанция

renewable energy                 возобновляемая энергия

solar array                            солнечная панель

solar power plant                 солнечная электростанция

steam                                    пар

steam power plant                паротурбинная электростанция

turbine                                  турбина

wind farm                             ветровая электростанция

working fluid                       рабочая жидкость