Vocabulary.

Evaluating – оценка

burn marks – следы обгорания

acrid smells – едкий запах

to compile a problem profile – установить характер неисправности

precise fault – точная неисправность (ошибка)

operating rangers – оперативные характеристики

to break the system down into functional blocks – разбить систему на функциональные блоки

expectations are different from the realities – ожидаемое отличается от реального состояния дел

don't assume anything – не предполагайте ничего

split the system in two – разделить систему на две составляющие

Set the scale to one of the rangers – установите шкалу на диапазон

Place the probes on each wire - наставьте щупы на каждый провод

Many multimeters also incorporate a beeper – многие универсальные измерительные приборы включают звуковой сигнал

this may alter readings – это может изменить показания

oil rigs – нефтяные вышки

reverse the probes – перевернуть пробник

exceed – превышать

tip – наконечник, штырь

solder connections – припаянные соединения

break away – оторваться, отсоединиться

age and crack – стареть и трескаться

carry a spare – заменить на запасную

4. Answer the questions.

1. What is troubleshooting?

2. How do you understand a phrase that "faults are only improperly operated equipment”?

3. What is included into the system configuration?

4. What would you check in the troubleshooting procedure?

5. Why is it suggested to split the system in two in any troubleshooting ex­ercise?

6. After the fault has been isolated what will be the next step?

7. What is the idea of continuity tests?

8. What is the idea of resistance tests?

9. What is the idea of voltage tests?

10. What is the idea of current tests?

11. How would you maintain your meters?

12. What may happen to probes?

13. What may happen to cables?

14. What may happen to batteries?

5. Fill in the blanks with proper words and phrases.

1. Troubleshooting is a logical_____of_____the system and how it operates. 2. It involves collecting evidence, such as burn_____or heat, unusu­al _____, acrid_____, temperature_____. 3. This can be supported by using instruments correctly and by analyzing the ____displayed on them. 4. It is common to find that "faults" are in fact only improperly operated ______ . 5. All too often, expectations are different from the_____. 6. Be able to make the simple tests of voltage and continuity of _____ . 7. Check that the system has the correct power_______. 8. Don't______ anything. 9. If there is input and no______, then you have already________the main problem. 10. In any troubleshooting exercise, split the system in_____. 11. Start with the basics, and don't try to apply complex theoretical _____you do not_____. 12. Stand _____ and______first. 13. Effective troubleshooting of electrical devices requires the proper use of the _____ . 14. The continuity test simply tests whether a circuit is_____or ______ . 15. Power must be______ before testing. 16. Many multimeters also incorporate a______ to indicate a______ circuit. 17. When testing, do not touch_______ with your fingers as this may alter_______. 18. The most practical of all measurements is_______. 19. Reversing the probes will show a negative________. 20. Set the scale to the one that exceeds the________ or______voltage of the circuit under test. 21. The ammeter function on a multimeteer is rarely used or required, although some use it for______ _______. 22. The ammeter on the switchboard can normally be used for all __________ . 23. An ammeter is always connected in_______ with a circuit. 24. The circuit should be______off before inserting the ammeter in circuit.