3. (a) Outline the fimction of each of the following utility programs in a computer system: (2) disk defragmenter; (ii) disk clean-up; (iii) file management. (3 marks)November 2022
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Distinguish between ring and radial power circuits. Oct/Nov. 2022
Explain the following factors that determine the type of wiring system for an electrical installation: I. cost; Il. safety. Oct/Nov. 2022
Outline four J.E.E regulations requirements regarding bell transformers. regulatory requirements: Voltage and Current Ratings: Bell transformers must meet specified voltage and current ratings suitable for the intended application. This ensures safety and proper functionality without overloading the circuit. Insulation and Dielectric Strength: ...
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Explain the maintenance of a lead-acid battery. Here are the key steps involved in the maintenance of a lead-acid battery: 1. Regular Inspection: Check Electrolyte Levels: Regularly check the electrolyte levels in each cell. The electrolyte should cover the plates completely. ...
Describe the process of soldering. 1.Preparation: Clean the Components: Ensure that the surfaces to be soldered are clean and free from oxidation, dirt, grease, and other contaminants. Use a wire brush, sandpaper, or a cleaning solution to clean the surfaces. Fit the ...
Outline two IEE regulation requirements regarding cable joints andterminations. Cable Joints: Mechanical and Electrical Integrity: Cable joints must maintain the mechanical strength and electrical continuity of the conductor. The joint should be as strong and conductive as the original conductor ...
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Outline five merits of steel conduits wiring systems Durability and Strength: Steel conduits provide excellent mechanical protection for electrical wiring, reducing the risk of damage from physical impacts. This makes them suitable for industrial and commercial environments where cables might ...