CompTIA A+ Basic lesson 3
What is the proper disposal procedure for Chemical Solvents and Cans?
Dispose of these through your city's hazardous waste program.
What are three types of ESD?
Catastrophic damage Hidden damage Gradual degradation.
What cleaning tools should be in your toolkit?
Compressed Air Lint free clothes Small soft bristled brush and swabs Non-static vacuum
What can you use to quickly cool down a chip?
Compressed air
What PPE should you wear?
Correct clothing and goggles.
What is hidden ESD damage?
Dust buildup on computer components causes hidden ESD damage
Enclosures, such as a computer case or the shell that holds an external hard drive, provide protection from ______?
ESD
____ is a quick electrical charge that occurs when two objects with different electrical potentials come into contact with each other.
ESD (Electrostatic discharge)
What is an environmental service center?
In most cities, it's a place where you can safely recycle electronic components.
If you use an antistatic wrist strap with a clip, where do you attach the clip?
Into the back of the power supply.
What is catastrophic ESD damage?
It causes a computer component to fail immediately.
What is a MSDS sheet?
Material Safety Data Sheet(MSDS) that documents any safety warnings about the product, safe methods of transportation, and safe disposal requirements.
What are toxic elements contained in batteries?
Mercury cadmium lithium
What's one of the best things you can do before you begin working on a PC to prevent ESD?
Self-grounding by touching a metal surface such as the exterior of the PC power supply before touching any of your system components.
What is the proper disposal procedure for batteries?
Take batteries to a recycling center or send them back to the manufacturer. Most batteries have disposal instructions printed on them. Familiarize yourself with these instructions and follow them.
What is ESD degredation?
This is caused by situations in which low levels of ESD occur repeatedly.
What is the proper disposal procedure for CRT (Cathode Ray Tube) monitors?
To dispose of nonfunctional CRTs, send them to a commercial recycler or contact your city's hazardous waste management department. They will give you the proper procedure for disposing of them.
What types of fire extinguishers are used for electrical fires?
Types C and ABC
What is the proper disposal procedure for toner and inkjet cartridges?
You can refill them yourself, which saves on environmental wear, but this can wreak havoc on your printer if it is not done properly. You can also check the Yellow Pages or online to see if commercial toner recyclers service your area. Alternatively, many toner cartridge manufacturers have a recycling program. Check with your vendor, and see if this is an option for you.
What are Common ESD Protection Devices?
antistatic wrist and ankle straps antistatic mats antistatic floor mats antistatic bags
What clothing do you wear when working on computers?
natural-fiber clothing, such as cotton or linen and rubber soled shoes
What is PPE?
personal protective equipment