225
1. A single combustion process causes two
power strokes at the same
time. 2. An opposed-cylinder engine
contains two banks of cylinders opposite
to each other on a single crankshaft. 3. Such common
fuel as gasohol consists
of 90% gasoline and 10% alcohol. 4. This engine runs on diesel oil. 5. Basic
design divides engines into reciprocating and rotary ones
.
Exercise 24. Ask questions and use the words in italics in your answers. The
words in brackets will help you.
1. The first internal
combustion engine ran on
coal gas
(what fuel). 2.
Éti-
enne Lenoir
created the first commercially successful internal combustion
engine (who). 3. A four-stroke cycle engine involves
four
piston movements
over two engine revolutions for each cycle (how many). 4.
Power
is delivered
to a rotating output
crankshaft by mechanical linkage with the pistons (what).
5. Opposed-cylinder
engines are often called
flat engines
(how).
Достарыңызбен бөлісу: 
