Test Your DIY Repair Skills With International Repair Day Quiz

The purpose of thermal paste in computer repairs is to prevent overheating. It ensures effective heat transfer between the processor or graphics card and its respective heatsink, keeping the components cool.

The first step in troubleshooting an electrical device is to check the power supply. Ensure it is connected, the outlet is working, and the fuse or circuit breaker is not tripped.

Before attempting any DIY repair work, it is important to disconnect the power source. This minimizes the risk of electric shocks and ensures safety while working on electrical devices or circuits.

The primary purpose of a multimeter in electronics repair is checking voltage levels along with current and resistance. It is a fundamental tool in electronics repair, allowing technicians to assess, diagnose, and troubleshoot electronic circuits effectively. It aids in identifying faulty components, checking electrical parameters, and ensuring circuits operate within their specified parameters. 

Rubbing alcohol should be used to clean the delicate components of electronics. It evaporates quickly, leaves no residue, and is effective in removing dirt or dust without causing damage.

International Repair Day is celebrated every year on the third Saturday in October. It's a day dedicated to promoting the importance of repairing and maintaining products rather than discarding them, in order to reduce waste and promote sustainability.

When testing an electrical outlet for proper earthing, the ground wire is typically probed. Proper grounding is important for safety and prevents electrical shocks or potential damage to devices.

When repairing a leaky faucet, the component that is usually replaced is the cartridge or the washer. The cartridge and washer are responsible for controlling the water flow and can become worn or faulty over time.

All of the above methods are effective to some extent in removing rust from metal surfaces. Sandpaper and steel wool physically remove rust, while vinegar (acetic acid) breaks down rust chemically. The choice depends on the severity of rust and the type of metal.

Rubbing alcohol is the best solution for removing sticker residue from a smooth surface. Its solvent properties help dissolve the adhesive, making it easier to remove the residue without damaging the surface.