Exercise 40 Answer the questions.

1. What are the main sources to obtain power required? 2. What are the main types of locomotives mentioned in the text? 3. What was the main advantage of diesel and electric locomotives over steam ones? 4. When did electric and diesel locomotives start replacing steam ones? 5. When were diesel electric locomotives first introduced? 6. When did BR design a high-speed diesel electric locomotive? 7. What kind of locomotives uses the third rail? 8. What is the rarest type of all diesel locomotives? 9. Where can gas turbine-electric locomotives be applied? 10. What is the record speed for a Maglev? 11. What is the main advantage of a Maglev mentioned in the text? 12. Why is there a growing interest in alternative fuels for locomotives? 13. What will the first hybrid diesel-electric/battery locomotive feature? 14. How do fuel cells convert energy of the fuel into electric power? 15. What energy sources are preferable regarding ecological issues? 16. What consequences of over-consumption of fossil fuels can we experience at present?

Exercise 41 Replace the italicised words with the synonyms from the text.

To find a field where power is not required, at present, to generate electricity, the largest consumer, basic types, to turn water into steam, to be scarcely more than, to design a high-speed train, extensively used type of locomotive, to haul more load, to absorb energy.

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