7. Materials conducting electricity are termed conductors. 8. Wishing to find the fault, they examined the device in all its details. 9. The heat loss is taken to be negligible, and is disregarded.
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Give Russian equivalents for the following words and word-combinations. Use a dictionary if necessary. State to what part of speech they belong. Then translate the sentences.
Apart from, according to, by means of, aside from, in consideration, provided, in accordance with, due to, in view of, by virtue of, in order to, on account of.
. 1. Apart from a more general aspect the problem gives rise to more or less special questions. 2. According to the results of recent investigations a new hypothesis has been developed. 3. Large a-c systems can be coupled together by means of a d-c link. 4. Aside from their principal application in distribution of power by means of alternating currents, transformers are used for regulating voltage and for other purposes.
5. In consideration of the low price we might afford to buy several of these instruments provided that they were sufficiently reliable. 6. In accordance with the statements in this paper it was not until 1927 that this discovery was made. 7. We must interpret this phenomenon as due to a chemical rather than' a physical process, since one substance is transformed into another. 8. The new method has been generally introduced in view of its many advantages and in order to raise labour productivity. 9. On account of the importance of the problem, the scientists suggest new solution. 10. When a primary electron approaches an atom it may, by virtue of its electric field, interact with one of the bound electrons.
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Home exercise. Find equivalents to the following Russian word-combinations and use most of them in 5 sentences of your own illustrating the electromagnetic system of the brake.
Короткоходовон электромагнит (1); надеты на втулки со шлицевым соединением и посажены на вал (1); надеты на штыри, укрепленные в корпусе (1); кольцевой сердечник (2); равномерно расположенные, по окружности сердечников (2); приварен к корпусу (2); те же стержни (2); продольное направление (2); усиление пружины (2); устройство ручного растормаживания (3).
Built-in Brakes
1. The series motors are designed for operating with electromagnetical-ly operated brakes. In the operating principle these brakes belong to multidisk brakes actuated by short-stroke electromagnets. Braking results from friction between the rotating disks lined with a friction material and the stationary steel disks. The rotating disks are fitted on bushes keyed to the motor shaft. The stationary disks are fitted on pins secured in the frame.