Protection and Safety Quiz

Timothy works in the graphic arts departments and has received approval to upgrade his video card. The

card has arrived, and you are ready to begin the upgrade by replacing the old video card with the new

one in his workstation. To ensure your personal safety, which of the following should you do FIRST?

• Put on safety glasses.

• Remove jewelry.

• Disconnect power.

• Place the computer on an ESD mat.

Your U.S.-based company has recently purchased an old office building where employees are being

assigned to work. As you are setting up the employees' desktop computers, you come to one

location where the nearest wall outlet has only two prongs. All of the metal-enclosed desktop

computers have three-prong cords. Which of the following is the BEST way to proceed with that particular desktop computer?

• Find a different outlet that uses three prongs.

• Purchase an adapter that converts the three-prong cable to two prongs.

• Use the existing cord, but remove the grounding prong, as it is not required.

• Get a new power cord with two prongs to match the wall outlet.

In which of the following situations should you NOT use an ESD wrist strap?

• When replacing worn or frayed power cords.

• When working with high-voltage components.

• When replacing memory modules.

• When wearing jewelry.

To improve the safety of your location and comply with regulations regarding work environments with hazardous materials, you have been assigned to assemble Material Safety Data Sheets (MSDS) for all chemicals used in your shop. How should you obtain these documents?

• Get them from your local workers' safety insurance office.

• Write them yourself after researching the issues.

• Download them from the chemical manufacturer's websites.

• Ask your manager for them.

Which of the following devices can store large amounts of electricity, even when unplugged?

• Hard disk drive

• CRT monitor

• LCD monitor

• DVD optical drive

Jeannette's workstation is overheating. She decides to open the workstation and clean any accumulated dust to see if it helps with the overheating issue. Which of the following can Jeannette safely do to remove dust? (Select two.)

• Use a special vacuum to clean dust from all hardware components.

• Use a continuous stream of compressed air to clean all components.

• Remove the power supply to do detailed cleaning.

• Use short bursts of compressed air to clean delicate components.

• Use a lint-free cloth and cleaning solvent to remove all dust accumulation.

While it takes 3,000 volts or more of ESD before you can feel it, it takes very little ESD to damage a

computer component. What is the minimum ESD volt discharge that can actually damage a component?

• 10 volts

• 500 volts

• 50 volts

• 100 volts

Which of the following is a myth regarding electrostatic discharge (ESD)?

• Sitting down or standing up from a chair can create static electricity.

• Simply touching an object can create static electricity. You do not have to rub the object.

• If you can't feel ESD, the surge is not sufficient to harm computer components.

• Most often, ESD degrades computer components, and they fail at a later date.

You work for a store that sells and repairs computers. Due to the room's layout, while repairing computers, you must walk from one side of the carpeted room to the other frequently. ​ (a)   would BEST protect you from static electricity buildup.

• ESD mat
• Self-grounding
• ESD heel strap
• ESD wrist strap

To prevent ESD when replacing internal computer components, you attach an anti-static wrist strap to your wrist. Where should the other end be fastened? (Select two.)

• Ground wire on the wall power outlet

• Metal area on the computer case

• Ground wire on the power supply

• Screw on the wall power outlet

• Anti-static mat