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Cee 0104 Electrical Installation Question Paper

Cee 0104 Electrical Installation

Course:Certificate In Electrical Engineering

Institution: Meru University Of Science And Technology question papers

Exam Year:2011

QUESTION ONE – 30 MARKS
a. i. With reference to electrical installation define safety. (2 Marks) ii. State any three general safety rules. (3 Marks) b. Explain the following modes of personal dressing in a workshop stating their functions in regard to personal safety. i. Shoes (2 Marks) ii. Clothing (2 Marks) iii. Helmets and safety goggles (2 Marks) c. State the functions of the parts of an electrical installation cable. (3 Marks) d. Explain the following factors of choice of as good wiring systems i. Cost (2 Marks) ii. Type of building (2 Marks) iii. Power supply (2 Marks)
e. State two advantages and one disadvantage of: i. Surface wiring (3 Marks) ii. Conduit systems (3 Marks)
f. With reference to protection devices in electrical installation work distinguish between the following: i. Fuses and circuit breakers. (2 Marks) ii. Earth and earth electrode (2 Marks)
QUESTION TWO – 15 MARKS
a. tate an three eees iatins n safet rin ractices. (3 Marks) b. Explain how you would save life of an electrocuted victim during a routine maintenance of an electrical installation work. (6 Marks) c. ist the functins f an fur eectricians asic ts fr enera instaatin r. (4 Marks) d. Define mineral insulated cable stating one application of it. (2 Marks)
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QUESTION THREE – 15 MARKS
a. With reference to the wiring accessories explain the application of the following giving one example of each: i. Luminaries (2 Marks) ii. Switch gears (2 Marks) iii. Power points (2 Marks)
b. With the aid of a labeled wiring diagram explain the operation of one gang two ways switching system stating two applications of the systems. (9 Marks)
QUESTION FOUR – 15 MARKS
a. With the aid of a labeled diagram, explain the principle of operation of a cartridge fuse and list two advantages of it. (6 Marks)
b. State in sequence the main tests which should be carried out on a completed electrical installation work. (4 Marks)
c. With the aid of labeled diagram, explain the protective multiple earthing system and state one disadvantage of the system. (5 Marks)

Cee 0104 Electrical Installation Question Paper

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