Е. С. Закирова, П. А. Красавин Английский язык для технических вузов


Exercise 11. Agree or disagree with the following statements



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Exercise 11. Agree or disagree with the following statements.
1. The first commercially successful internal combustion engine was very 
efficient. 2. The most significant distinction between modern internal combus-
tion engines and the early designs is the use of compression and, in particular, 
in-cylinder compression. 3. Depending on the engine cycle, engines are four-


220
stroke cycle and five-stroke cycle ones. 4. In accordance with the valve loca-
tion, the internal combustion engines are called I-head engines if valves are 
in head (overhead valve), and L-head engines if valves are in block (flat head). 
5. Radial engines are often called flat engines.
KEY VOCABULARY DEVELOPMENT
Exercise 12. Match the words in column A with the words in column B to form 
meaningful phrases and then identify them at the sentence level in the text. It 
will help you understand the text in detail.

B
1) mechanical 
a) designs 
2) fossil 
b) power 
3) profound 
c) result 
4) significant 
d) impact 
5) in-cylinder 
e) space 
6) combustion 
f) chamber
7) expanding 
g) gases 
8) efficient 
h) compression 
9) early 
i) fuel 
10) confined 
j) distinction
Exercise 13. Decide which of the verbs on the left collocate with the nouns on the 
right and then identify the word combinations at the sentence level in the text. 
It will help you understand the text precisely.
1) to run on 
a) coal gas 
2) to deliver 
b) cylinders
3) to push 
c) air (fuel) mixture 
4) to inject
d) power
5) to slide against
e) process
6) to identify
f) surface
7) to facilitate
g) engines
8) to mix
h) air and fuel
9) to position
i) piston 
10) to produce
j) motion


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