Complete the sentences with the correct form of the verbs from the box.
Date: 2015-10-07; view: 567.
CABLES
UNIT 8
| Active Vocabulary |
| to assume – ïðèíèìàòü, ïðèîáðåòàòü conductor – ïðîâîäíèê, ïðîâîä, æèëà screening – ýêðàíèðîâàíèå, çàùèòà îò èçëó÷åíèÿ armouring – çàùèòíàÿ îáîëî÷êà, áðîíÿ êàáåëÿ purity – ÷èñòîòà, áåñïðèìåñíîñòü impurity - ïðèìåñü, çàãðÿçíÿþùåå âåùåñòâî superconductor – ñâåðõïðîâîäíèê resistivity – óäåëüíîå ñîïðîòèâëåíèå cross-sectional area – ïëîùàäü ïîïåðå÷íîãî ñå÷åíèÿ solid conductor – îäíîæèëüíûé ïðîâîä stranded conductor – ìíîãîæèëüíûé (ñêðó÷åííûé) ïðîâîä solid – òâåðäûé, ñïëîøíîé liquid – æèäêèé gaseous- ãàçîîáðàçíûé varnish – ëàê film– ïëåíêà | fiberglass – ñòåêëîâîëîêíî to impregnate – ïðîïèòûâàòü to induce – âûçûâàòü, ïîáóæäàòü polyvinyl chloride – ïîëèâèíèëõëîðèä polyethylene – ïîëèýòèëåí cross-linked polyethylene – ñøèòûé ïîëèýòèëåí, ïîëèýòèëåí ñ ìåæìîëåêóëÿðíûìè ñâÿçÿìè ethylene propylene rubber – ýòèëåíïðîïèëåíîâûé êàó÷óê “live” wire – ïðîâîä ïîä íàïðÿæåíèåì legislation – çàêîíîäàòåëüñòâî to sheathe – çàêëþ÷àòü â îáîëî÷êó, çàùèùàòü to anneal – îòæèãàòü, ïðîêàëèâàòü short-circuit -êîðîòêîå çàìûêàíèå to mount – óñòàíàâëèâàòü, ìîíòèðîâàòü, ñîáèðàòü, çàêðåïëÿòü to embed – âìîíòèðîâàòü, âñòàâëÿòü, âñòðàèâàòü conduit – êàáåëåïðîâîä, òðóáîïðîâîä |
| impregnate sheathe induce mount assume embed anneal |
1. This cloth __________ with a special chemical which protects it against rain.
2. Global warming might __________ dramatic changes in our climate.
3. One of the most important technical innovations implemented by the naval antagonists
during the American Revolution was the __________ of ship's hulls with copper.
4. When you __________ metal or glass, you heat it and then cool it in order to make it less
brittle and more malleable.
5. The controls of Deborah's machinery were wall _________, it was Geoffrey himself who
had designed this.
6. The idea of __________ solar cells in roofing materials isn't new.
7. Financial management __________ greater importance nowadays.
| Reading 1 |
2. Read the text and answer the following questions:
1. How is power transmission carried out?
2. What are the reasons for choosing this or that type of cables?
3. Why has the matter of reliability of cables become more important nowadays?
4. What materials are commonly used for making conductors?
5. What materials can be used for insulation?
6. What are the reasons for the choice of different insulation materials?
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