Добавил:
Upload Опубликованный материал нарушает ваши авторские права? Сообщите нам.
Вуз: Предмет: Файл:
RailwEngin.doc
Скачиваний:
24
Добавлен:
06.11.2018
Размер:
3.11 Mб
Скачать
  1. Give the main idea of the text "Railway Track of the 21st Century". Test 1

I. Match English and Russian word combinations.

1. stable track

a. бесстыковый путь

2. maintenance costs

b. процесс сварки встык оплавлением

3. to reduce costs

c. увеличивать потенциал

4. high quality

d. эксплуатационные расходы

5. flash-butt welding

e. высокое качество

6. to enhance potential

f. проверять эксплуатационные качеcтва пути

7. to locate track faults

g. сокращать расходы

8. to examine the performance of the track

h. обнаруживать неисправность пути

9. jointless track

i. путь, уложенный стальными шпалами

10. steel sleepered track

j. устойчивый путь

II. Choose the correct word in b and put it into the gap in a.

B

1.The continuous rails have a longer service life than the ______ ones.

a. weight and speed

2. The modern railway track copes with the growing demands of the constant increase in the ______ of trains.

b. performance

3. A valuable facility is the ability to examine the ______ of the track under load.

c. short

4. There are best technological advancements for flash-butt welding because they give _____ in rail welding.

d. higher standards

5. The growth of goods traffic intensity and train speeds requires _____ of track facilities.

e. good results

III. Choose the best way to complete the sentences.

  1. The railway track must be supported on

  1. a strong roadbed

  2. a weak roadbed

  3. an earth

  1. New jointless tracks have been laid for a maximum

  1. speed of 180 km/h

  2. speed of 250 km/h

  3. speed of 280 km/h

  1. The auto-video inspection of track is an opportunity to optimize track maintenance processes

  1. to increase costs

  2. to reduce costs

  3. to keep costs

IV. Match these definitions with the terms.

1. sleepers which provide the required track performance while keeping renewal and maintenance costs.

a. reinforced- concrete

2. sleepers which ensure high durability, great uniformity of their physical condition through their service life, an increased stability of track facilitating the use of long rails and jointless track.

b. flash-butt

3. welding which gives good results.

c. steel

4. tracks which are laid for a maximum speed of 280 km/h

d. jointless

V. According to the text, are the sentences true (t) or false (f).

  1. Every day high-speed trains safely and rapidly carry animals.

  2. Railways adopt long welded rails, which lessen wear and tear on rolling stock.

  3. The continuous rails provide a smoother running and permit the train operation at higher speeds.

  4. For the welding of long rails, European railways rely mainly on the thermit welding.

  5. We move into the century ahead with the auto-video inspection of track.

Unit 2

Read the text.

Соседние файлы в предмете [НЕСОРТИРОВАННОЕ]