Complete the instructions for connecting a DVD recorder to a TV set. Use the words in the box.
* (“Engineering” Workshop by Lindsey White, OUP; Unit 11, pg.12, ex.9) 8. Find the mistakes in spelling of the following words and correct them. Three words are correct:
9. Find the names of computer components in the following table (6 words). They may be written diagonally, horizontally or vertically:
10. Guess the word from its explanation:
11. Translate the following sentences into Russian. Give the idea, not a word for word translation:
Check the knowledge of active vocabulary from this part with the help of “ACTIVE VOCABULARY” section.
Part II PLUGS AND SOCKETS Read the following texts and fill in the gaps. Use the words given in boxes: (1)
Power plugs and(1)__________ are devices for (2) __________ electrically-operated devices to the power supply. An (3) __________ plugis an electrical (4) __________ with a contact pin that is connected to a (5) __________ . Wall sockets are also known as power points, power sockets or electrical outlets. They are electrical connectors that have holes which accept and deliver (6) __________ to the pins of inserted plugs. Sockets are (7) __________ to accept only matching plugs and reject all others. To reduce the (8) __________ of injury or death by electric shock, some plug and socket (9) __________ incorporate various safety features and design aspects. An electrical(10)__________ between discrete points allows the flow of electrons (electric current). A pair of connections is needed for a circuit. The connection may be of two (11) __________ – temporary (as for portable equipment that can be removed) and permanent (as for electrical joint between two wires or devices). An (12) __________connector is a conductive device for joining electrical circuits together. There are hundreds of types of electrical connectors. Connectors may join two lengths of flexible wire or cable, or may (13) __________ a wire or (14) __________ to an electrical terminal.
(2)
(1) __________and socket connectors are usually made up of a male plug and a female socket. Although, hermaphroditic connectors also exist. Plugs generally have one or more (2) __________ that are inserted into holes in a (3) __________ . The (4) __________ between the metal parts must be sufficiently (5) __________ to make a good electrical connection and complete the circuit. When working with multi-pin connectors, it is helpful to have a pin-out diagram to identify the wire or circuit node connected to each pin. A power(6)__________ is an electrical connector designed to carry a significant amount of (7) __________ power, usually as DC or low-frequency AC. There are (8) __________ main AC power types: mains power plugs (principally used for connecting (9) __________ to wall outlets) and industrial power plugs (used for (10) __________ equipment on plants or manufactures) that are normally larger than mains plugs. Connectors carrying small amounts of power are (11) __________ as signal connectors. ©2015 arhivinfo.ru Все права принадлежат авторам размещенных материалов.
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