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Pebm Cat 1

The document outlines an examination for Electrical Installation Level 5 at WERU Technical and Vocational College, focusing on maintenance and troubleshooting of electrical systems. It includes various sections with questions related to maintenance objectives, fault diagnosis, safety requirements, and testing procedures. Students are required to answer all questions in Section B and choose two from Section C for a comprehensive assessment of their knowledge in electrical engineering.

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17 views7 pages

Pebm Cat 1

The document outlines an examination for Electrical Installation Level 5 at WERU Technical and Vocational College, focusing on maintenance and troubleshooting of electrical systems. It includes various sections with questions related to maintenance objectives, fault diagnosis, safety requirements, and testing procedures. Students are required to answer all questions in Section B and choose two from Section C for a comprehensive assessment of their knowledge in electrical engineering.

Uploaded by

mwalimuomari4
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as DOCX, PDF, TXT or read online on Scribd
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WERU TECHNICAL AND VOCATIONAL COLLEGE

DEPARTMENT OF ELECTRICAL AND ELECTRONIC ENGINEERING

071305T5EIN
Electrical Installation Level 5 ENG/OS/EI/CR/05/
Perform Electrical System Breakdown
Maintenance

CAT 1

TIME 1 HOUR

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SECTION B: (40 MARKS)
Answer ALL the questions in this section
1. When is it necessary to troubleshoot? (3 Marks)
2. List four basic maintenance objectives on a machine. (4 Marks)
3. Highlight five possible reasons for failure of a fluorescent lamp? (5 Marks)
4. Differentiate between partial and total failure in fault diagnosis. (4 Marks)
5. State any four safety requirements you would observe as an electrician during
a maintenance activity (4 Marks)
6. Outline four possible causes of an instant shower not heating up water. (4 Marks)
7. State four information to be documented after maintaining an electrical system.
(4 Marks)
8. Outline four measures you would put in place to prevent future electrical short
circuits in an electrical system. (4 Marks)
9. State four systematic orders of carrying out maintenance on a faulty motor.
(4 Marks)
10. List any four instruments you would use to test an electrical installation after
maintenance activity is done. (4 Marks)

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SECTION C: (40 Marks)
Answer any two questions from this section
11. (a) Describe the troubleshooting procedure in electrical systems. (10 Marks)
(b) Finlay Tea Factory has contracted you to carry out an electrical system
maintenance in the factory. Describe any five tests you will conduct on the electrical
installation system at the end of the maintenance activity. (10 Marks)
12. (a) Describe any five types of maintenance carried out in an electrical installation
system. (15 Marks)
(b) State any five causes of electrical equipment failure. (5 Marks)
13. (a) Discuss any five components of an operation and maintenance manual.
(10 Marks)
(b)Explain any five protection devices in an electrical installation system. (10 Marks)

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