Common safety and environmental procedures Quiz

What is the primary purpose of compliance with regulations in PC maintenance?

• To keep the workplace free from hazards

• To reduce the cost of maintenance

• To ensure the equipment is upgraded

• To increase the speed of repairs

Which of the following is a property of an electrical circuit?

• Voltage is the amount of charge flowing through a conductor

• Voltage is measured in ohms

• Current is the potential difference between two points

• Resistance is the degree of opposition to the current

What type of extinguisher is recommended for electrical fires?

• Water extinguisher

• Foam extinguisher

• Carbon dioxide (CO2) extinguisher

• Dry powder extinguisher

What should you do before adding or replacing components in a PC?

• Only remove the battery

• Leave the power on

• Call a professional

• Disconnect the power

What is a trip hazard?

• A type of electrical fault

• A method of grounding equipment

• A safety device for lifting

• An object in a pathway where people walk

What is the ideal humidity level to prevent electrostatic discharge (ESD)?

• 30%

• 50%

• 70%

• 10%

What is the purpose of a surge suppressor?

• To increase voltage

• To filter out surges and spikes

• To provide backup power

• To ground electrical equipment

What should you do if you encounter a swollen battery?

• Handle it carefully and store it properly

• Dispose of it in regular trash

• Ignore it

• Use it until it runs out of power

Which of the following is a characteristic of a UPS?

• It is not necessary for computers

• It allows for temporary power during outages

• It can only protect one device

• It provides permanent power

What should you wear when handling hazardous materials?

• A lab coat

• Safety goggles and gloves

• Only gloves

• No protective gear is needed