Английский язык. Писарева Л.П. - 18 стр.

arrangement                       устройство
combustion                        горение
as much as possible               как можно больше
supply                            подавать
charge                            заряд, заряжать
replace                           заменять
non-return valve                  невозвратный клапан
eliminate                         исключать



                                        Exercises
I.Переведите письменно текст.

II. Ответьте на вопросы по тексту.

1. What engine was put on the testbed in 1911?
2. How is the breathing process controlled in this engine?
3. What ports does the piston uncover during its downward travel?
4. Does location and arrangement of the ports determine the effectiveness of
scavenging?
5. In what way did the introduction of port scavenging simplify the construction of the
engine?

III. Переведите следующие слова и словосочетания.

port scavenging, to put on the testbed, piston stroke, cylinder rating, inlet and exhaust
valves, cylinder head, downward travel, bottom dead centre, expansion of the gases,
combustion air, exhaust pipe, scavenging ports, arrangement of ports, charge of air,
mechanically-actuated valves.

IV. Найдите в следующих предложениях подлежащее и сказуемое,
подчеркните их одной и двумя чертами соответственно. Укажите время и
залог сказуемого и переведите предложения на русский язык.

1. A number of the last SD engines built used this method of supercharging.
2. Cylinder covers close the top end of the cylinders.
3. The arrangement of the exhaust and scavenging ports has been changed in the cause
of the time.

V.. Напишите словами: 1) цифры, 2) дроби, 3) даты.

1. 12, 513, 11033, 228, 19
2. 0,25, 144,06, 2/3, 3/4, 11/2
3. 1812, 1906, 1954
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