2015-09-07
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IV. Прочтите и переведите предложения:
1. New methods are to be used in testing the equipment.
2. New methods to be used in testing the equipment will be very efficient.
3. The operator is to use new methods in testing the equipment.
4. The transistors to be produced must be of small size and weight.
5. The engineers are to construct transistors which will be of small size and weight.
6. The student's task was to construct a simple transistor.
7. He is to tune the receiver to a definite frequency.
8. The receiver to be tuned to a definite frequency will operate very well.
9. To tune the receiver to a definite frequency was the first task of the operator.
10. To tune the receiver to a definite frequency you should turn a switch.
11. This receiver is to be tuned to a definite frequency.
12. The problem of flight control is to be finally solved.
13. To solve the problem of flight control is the designers' prime task.
14. The problem to be solved will help designers in constructing control systems.
15. To solve the problem of flight control the engineer has to take many factors into consideration.
V.* Прочтите, укажите номер формы, соответствующей каждому предложению, и переведите предложения:
1. There are many problems... in order to understand these phenomena (1. are solved; 2. to be solved; 3. are to solve).
2. The quantities to be measured... in this experiment (1. are to use; 2. to be used; 3. will be used).
3. The substances… are very sensitive, to light (1, are used; 2. are to used; 3. to be used).
4. The engineers… powerful amplifiers to be used at this plant (1. to construct; 2. are to construct; 3. to be constructed).
5. The experiment... at our laboratory is to give interesting data (1. is to carry out; 2. to be carried out; 3. to carry out).
6. The oscillations... in the antenna are weak (1. are to be produced; 2. to be produced; 3. to produce).
VI. Прочтите и переведите предложения, обращая внимание на различные функции слова “turn”:
1. The body turns around the axis.
2. The first coil has more turns than the second one.
3. The primary coil is connected to the voltage source, the secondary coil in its turn is connected to the load resistance and supplies energy to the load.
4. In case the secondary coil has more turns than the primary one, the output voltage is greater than the input voltage.
5. The number of turns of the coil depends on its function,
6. When the tube operates, the cathode emits electrons; the plate in its turn collects them and the grid controls the electrons flow.
VII. * Определите по суффиксам, к каким частям речи относятся слова, и переведите их:
1. deflector; 2. deflection; 3. reflector; 4. reflection; 5. detector; 6. detection; 7. armature; 8. curvature; 9. disturbance; 10. importance; 11. actual; 12. natural; 13. mutual; 14. measurement; 15. improvement; 16. establishment; 17. requirement; 18. connection; 19. definition; 20. determination; 21. conversion; 22. excursion
VIII. * Прочтите и переведите сочетания слов:
1. a deflecting pointer; 2. the deflection of rays; 3. to point the direction; 4. a point on the diagram; 5. a thermometer's scale; 6. readings of the scale; 7. actual readings of the scale; 8. negative terminals; 9. connected with negative terminals; 10. to disturb the reception; 11. to disturb radio communication; 12; air disturbances; 13. a turning armature; 14. an iron armature; 15. a magnetic coil; 16. through this distance; 17. through the field; 18. turns of a coil
IX. Прочтите и переведите предложения:
1. The length of the antenna should be such that it will operate on its fundamental wave-length.
2. When the ammeter is used, the circuit should be opened at one point and the terminals of the meter should be connected to it.
3. A rheostat is used to change the resistance of circuits, and in this way to vary the value of current.
4. The most common way of converting sound into electricity is to use a crystal microphone or a ceramic one.
5. To determine the volume of a gas at a definite temperature is not difficult.
6. One should know that voltage applied to your body may result in an electric shock.
7. The value of the resistance to be used will depend on the amount of plate current that passes through the rectifier.
8. To convert heat directly into electricity was the main purpose.
9. The amount of energy to be released by this radioactive material will be easily calculated.
10. The property of a quartz crystal is to change its dimensions under the: influence of electricity.
11. To determine the parameters of the upper atmosphere was the main purpose of investigation.
12. The students had to make an armature and use it in the laboratory experiment.
13. One should know that a resistor is one of the most common elements of any circuit.
14. The sensitivity of a new radio-set is better than that of an old one.
X. * Укажите дробью номер вопроса (числитель) и номер предложения из текста, которое является ответом на него (знаменатель):
1. How should the ammeter be connected?
2. What is a voltmeter?
3. Why must a voltmeter have a very high resistance?
4. What resistance must an ammeter have?
5. For what purpose is the ammeter used?
6. What do the readings on the scale of the ammeter show?
7. How is the deflection of the ammeter measured?
8. In what way is the ammeter placed with the circuit in actual use?
XI. Переведите, не пользуясь словарем:
