Below you will find multiple choice questions on the troubleshooting and repair. By answering them you will be able to check your knowledge on the topic.

  1. A Discuss the following questions in small groups.
  2. A Reality Check
  3. A) Write the questions that might be answered in it.
  4. Add infinitives to complete for-phrases in the sentences below
  5. Add infinitives to complete for-phrases in the sentences below
  6. Add infinitives to complete for-phrases in the sentences below
  7. Answer all the questions on the basis of what is stated in the passage. For each question select the best answer A, B, C, D.

1. What is the probable fault for motor overheating?

a. insulation resistance broken down

b. ground fault

c. mechanical overload

d. a and b

e. b and

2. What is the probable fault for hot bearings?

a. bearing lubrication failure

b. drive belts overtensioned

c. bearings worn

d. a, b, c.

3. Why might a generator not start?

a. low battery voltage

c. starter motor fault

d. air in the fuel system

4. Why might.a generator not hold load?

a. air cleaner clogged

b. injector pump fault

c. fuel filter clogged

d. a, b, c

5. Why could exhaust smoke be black?

a. air cleaner clogged

b. low compression

c. cold start

d. a and b

e. b and

6. Why could exhaust smoke be white?

a. air cleaner clogged

b. engine cold

c. low compression

d. fuel filter clogged

7. Why would a generator start and stop?

a. fuel filter clogged

b. air in fuel system

c. fuel supply valve closed

d. a, b, c

8. When would you test a motor?

a. immediately after installation

b. before it is installed

c. at the engine builder

d. a, b, c

9. If the motor fails to run when the switch is turned on, the trouble may be:

a. wrong voltage

b. poor, brush contact on the commutator

c. burned out fuses d dirty commutator

10. If the motor runs slowly, the trouble may be:

a. shorted armature or commutator

b. dirty or clogged brushes

c. open field circuit

d. burned out fuses

11. If the motor runs faster than name-plate speed, the trouble may be:

a. wrong voltage

b. shorted or grounded field

c. open circuit in the armature

d. a, b, c

12. If the motor sparks, the trouble may be:

a. worn bearing

b. poor brush contact on the commutator

c. rough commutator

d. a, b, c

13. If the motor is noisy in operation, the trouble may be:

a. worn bearing

b. high or low bars

c. rough commutator

d. a, b, c

14. If the motor runs hot, the trouble may be:

a. worn bearing

b. overload

c. tight bearing

d. a and b

e. b and

15. If a generator does not generate the trouble may be:

a. differential connection

b. overload

c. loss of residual magnetism

d. resistance in the field circuit

16. If the voltage drops considerably as the load is placed on the generator, trouble may be:

a. differential connection

b. shorted armature

c. overload

d. a, b, c

17. If the voltage does not build up to a maximum the trouble may be:

a. wrong field connection

b. wrong rotation

c. differential connection

d. speed of generator too low




Translate into English. | Speak about constructional features of synchronous machines. | Read and translate the text. | Instrument Use. | Fill in the blanks with proper words and phrases. | Read, translate the sentences and define the types of subordinate clauses. | Lesson 14. | Repairs | Generator Troubleshooting. | DC GENERATORS TROUBLESHOOTING AND REPAIR |

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