14 6
Read the text and explain the different functions of the word “to”. Retell the text in Russian.
15
Home exercise. See ex. 15, Unit I.
Translate the sentences at sight. If necessary consult a dictionary. 1. A number of alternatives have been proposed. 2. Both of these approaches make it possible to measure the rate. 3. Such an ability is almost certainly accounted for by certain considerations. 4. Toward this end we traced the connections. 5. According to the latest evidence this new equipment will meet our requirements. 6. In some instances the two bands fall close together. 7. They suggested a new procedure to obtain such results. 8. They used the ordinary techniques.
17 25
Home exercise. Write the exact translation of the text about the main functions of the automatic control sysiem for ships electrical power plant.
The system is designed for the following functions:
1. Prelubrication of stationary diesel alternator sets for adjustable periods and at adjustable intervals.
2. Starting, synchronizing and load distribution among the sets when a starting order is received, in accordance with a predetermined program.
3. Unloading, tripping of the circuit breaker and shutting down of a set on receipt of a stop instruction, in accordance with a predetermined program.
4. Maintaining the frequency of the distribution network constant within ±0.1 Hz regardless of the load.
5. Issuing starting instructions to diesel sets in accordance with a variable sequence, when the load on the sets which arc then in service exceeds the predetermined level for an adjustable period of time.
6. Issuing shutting-down instructions to diesel sets in accordance with a variable sequence, when the load on the sets then in service falls below a predetermined level for an adjustable period of time. The sequence of starting and stepping of sets may be selected by means of a switch in the control panel.
7. Replacing a set on which a noil-critical alarm is operative, by another unit.
8. Stopping a device set when a critical alarm is initiated.
9. Blocking the starting procedure for a set on which an alarm is operative, until the resetting push button or the alarm has been depressed.
10. Starting and connecting to the distribution network a predetermined number of diesel alternator sets in the event of a black-out.
11. Ensuring that sufficient alternator capacity is available before programmed loads are connected.
12. Transmitting information concerning alarms to the general alarm svstem.