High-Q | 7 סימולציה

38

סימולציה מס' 7

פרק שלישי

– אנגלית

Questions

13. His fears were realized (line 2), in that -

(1) his plane crashed (2) his wing separated from his plane (3) his plane became too flexible (4) his wing was not made of aluminum

14. The only advantage of aluminum over composite materials, which is given in the first paragraph, is that aluminum -

(1) is lighter (2) is stronger (3) forms more easily (4) has been in use longer

15. Reifsnider’s analysis of composites using his new computer program leads to which of the following conclusions, according to the passage?

(1) Engineers underestimate the durability of composites (2) Cracks are the main problem facing engineers who design aircraft

(3) Special thermal treatments are required to keep composites from cracking (4) Steel is a better choice for most applications than either aluminum or composites

16. According to the final paragraph of the passage, the story of the crashed stealth fighter-

(1) shows that composite structures deteriorate more gradually than do ones made of aluminum or steel (2) indicates that some types of composites are likely to develop cracks similar to those which occur in metals (3) reveals that not enough is presently known about how composites deteriorate with age (4) reveals nothing about how composites may fail with age

17. The main subject addressed in the passage is -

(1) constructing aircraft for maximum safety (2) aircraft accidents involving composite materials (3) the safety of the use of composites in aircrafts (4) how composite materials are formed

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