Английский язык для судовых электромехаников - страница 51

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d) switch; e) jumper; f) data; g) rack; h) extend; i) install; j) digital; k) furnish; I) modify; m) busbar; n) amplifier; o) alarm.

The second class period

7 3
Read thewords.point out thosewhich deal withthetopic “Boxes
and Boards of the Electronic Units”.
n)relevant
m)flexiblev)constitute
g) providen)generatorw)connection
c)stageh) adapto)jumper>0mount
a)unitd)relayi) printedp)reary)comprise
b)boxe)sheetj) circuitq)ribbonz)engraved
f)holek) differentr)equipmenta')push-button
1) terminals)performb')adapt
t)rowc')distinct
d')fault

Read the word-combinations and point out those with prepositions. Give their Russian equivalents:

a) comprises the following units; b) relay units for controlled loads;

c) consist of; d) furnished with; e) boards and fronts; f) are made of sheet steel; g) provided with ventilation holes; h) is connected to the terminal board by a flexible cable; i) together these two boards; j) form the rear of the box; k) to perform by jumpers; 1) on the mother board; m) two rows each with terminals; n) for external connections; o) to insert from the front of the box; p) while units are to be supplied.

9 1

Read the sentences and point out those which deal with the topic “Supply of the Power Control System Units”.

1. The electronic units consist of identical boxes furnished with different electronic boards and fronts. 2. A printed circuit board and the terminal board form the rear of the box. 3. The basic units, the additional monitoring units and the central unit shall be supplied from a 24 V battery. 4. The relay and transformer units are built up in 19 inch standard racks. 5. The synchronizing and load sharing units are to be supplied from the generators via the transformer units. 6. The front plate contains corresponding lamp glasses with engraved text.

10 15

Hume exercise. Translate these sentences.

1. The properties of these compounds vary with the nitrogen. 2. With finer packing the pressure drop increases and the throughout decreases.

3. The steel industry is widely distributed over the country. 4. This method is favoured slightly over that one. 5. Balancing is done by adjusting the position of rods. 6. These substances differ in being mirror images. 7. The scale is so short that the relative error in reading the deflection becomes appriciable. 8. At this point the material under examination is fed. 9. This discovery was made in 1895, although it was not recognized until 20 years later. 10. We obtained these values in terms of the following formula. 11. Hydrogen was substituted by oxygen. 12. Hydrogen was substituted for oxygen.

11 2

Read the words. Point out prepositions and adverbs. Give their Russian equivalents:

a) hitherto; b) now; c) since; d) with; e) to; f) already; g) never;

h) after; i) before; j) then; k) recently; 1) in; m) from; n) about;

o) immediately; p) exclusively; q) between; r) under; s) unfortunately; t) apparently; u) against; v) again; w) toward; x) backwards; y) however; z) nevertheless.

12 4

Read the word-combinations and point out prepositional and adverbial ones. Give their Russian equivalents:

a) a view of; b) units with; c) in fact; d) on the other hand; e) vary from; f) tend forwards; g) suitable for; h) have previously given reasons; i) has been generally assumed; j) send for; k) rub against; 1) have only recently been reported; m) have long been known; n) satisfied with; o) rely upon; p) prior to; q) obey a Curie law quite closely; r) are

closely related; s) have never been satisfactorily explained; t) be a success; u) with a glance to; v) be of a certain nature; w) to a great extent; x) over a certain range of flow rates; y) not until later; z) in terms of.

13 4

Give Russian equivalents for the following word-combinations: the established fact, the results achieved are important, the article translated by him, the data obtained are widely used, spoke of the results obtained.

Translate these sentences.

1. Some of the materials found in the earth crust are very important.

2. Some of the materials found are very important. 3. The fibres produced by our shop are of high quality. 4. The fibres produced are of high quality. 5. The methods improved by the workers brought good results.


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