VII. Переведите следующие предложения, обращая внимание на выделенные прилагательные в сравнительной и превосходной степени.

Date: 2015-10-07; view: 397.

VI. Расскажите о типах главных двигателей, о преимуществах каждого из них и их применении. Опишите двигатель, установленный на вашем судне, используя следующие выражения и слова.

V. Прочтите 3-й абзац текста еще раз и опишите принцип действия паровой турбины.

Slow, medium, high-speed, two or four stroke, single or double acting, in-line or V-shape, with crosshead piston or trunk piston. Mention if it is directly-coupled or connected to the propeller by gearing/gear and its rating/output power and rpm. Запишите свой рассказ на магнитофон.

1. More, and more of the larger merchant vessels are being powered by medium-speed diesel engines.

2. They are cheaper than slow-speed diesel engines and their smaller size and weight can result in a smaller cheaper ship.

3. Recent developments in steam turbines, which have reduced fuel consumption and raised power output, have made them more attractive as an alternative to diesel power in ships.

4. Gas turbines have also become more suitable for use in ships.

5. Engine designers search for (зд. стремятся получить) increased output, lower fuel consumption and longer running hours, between overhaul.

6. Although higher power could be produced by higher revolutions, this would reduce the efficiency of the propeller, because the propeller is more efficient the larger it is and the slower it turns,

7. Operation on poorer quality fuel inevitably (неизбежно) means more maintenance and shorter time between overhauls and calls for (requires) greater care.

CAUSE+существительное + инфинитив (см. § 7 Приложений)