220-1202 Safety Procedures and Compliance — Timed 15 Questions

Question 1

A technician needs to dispose of several old CRT monitors from an office. What is the proper disposal method according to environmental safety regulations?

Accepted Answer

Take them to a certified e-waste recycling center.. CRT monitors contain hazardous materials such as lead, phosphor, and other heavy metals that are harmful to the environment if disposed of in landfills. Certified e-waste recycling centers follow strict environmental regulations to safely dismantle and recycle these components, preventing toxic substances from contaminating soil and groundwater.

Answer

Place them in the regular dumpster for bulk trash pickup.

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Smash the glass and separate the components for metal recycling.

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Donate them to a local school for reuse.

Question 2

A technician is troubleshooting a server that repeatedly trips the circuit breaker in the data center. The server is plugged into a power strip that is also serving two other high-power devices. What is the most appropriate safety and troubleshooting step?

Accepted Answer

Move one of the other high-power devices to a different circuit and plug the server directly into a wall outlet on its own circuit.. The repeated tripping indicates the circuit is overloaded. The safest and most effective step is to redistribute the load by moving one high-power device to a different circuit and plugging the server directly into a dedicated wall outlet. This isolates the server's power draw and prevents overloading the shared circuit, addressing the root cause without bypassing safety limits.

Answer

Replace the power strip with a higher-rated one and reset the breaker.

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Reset the breaker and use a UPS with a higher wattage rating.

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Install a larger circuit breaker in the panel to handle the load.

Question 3

During a printer toner replacement, a technician accidentally spills toner powder on the carpet. What is the correct procedure for cleaning up the spill?

Accepted Answer

Use a toner-rated vacuum or a damp cloth to carefully collect the spill.. Option C is correct because toner powder is a fine, electrically charged plastic dust that can be hazardous if inhaled or if it melts into carpet fibers. Using a toner-rated vacuum with a HEPA filter safely captures the particles without dispersing them, or a damp cloth can be used to gently lift the toner without smearing it deeper into the carpet. This procedure follows manufacturer safety guidelines and prevents damage to standard vacuums, which can ignite or spread the toner.

Answer

Use a standard household vacuum cleaner to quickly remove the toner.

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Wipe up the toner with a dry paper towel and dispose of it in the trash.

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Pour water on the spill to dissolve the toner, then mop it up.

Question 4

A technician is tasked with installing a new hard drive in a server rack. The rack is located in a cramped, dusty storage room with poor lighting. Which safety practice should the technician prioritize before beginning the installation?

Accepted Answer

Wear a dust mask and use a flashlight to improve visibility.. The correct answer is B because the scenario describes a cramped, dusty storage room with poor lighting, which creates two immediate hazards: inhalation of dust particles and reduced visibility. Wearing a dust mask protects the technician's respiratory system from airborne particulates, while using a flashlight ensures they can see clearly to avoid accidental contact with components or cables. These measures directly address the environmental risks before any work begins.

Answer

Use a step stool to reach the server rack safely.

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Remove the server from the rack and place it on the floor for easier access.

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Disconnect all power cables in the rack to eliminate electrical hazards.

Question 5

A technician is installing a new power supply in a desktop computer. After unplugging the system, what should the technician do before touching any internal components?

Accepted Answer

Press and hold the power button for 10 seconds to drain residual charge, then wear an ESD strap.. Option B is correct because pressing and holding the power button for 10 seconds after unplugging the system discharges the remaining charge in the power supply capacitors and other components, reducing the risk of electric shock or damage. Wearing an ESD strap then provides a path to ground for static electricity, protecting sensitive internal components from electrostatic discharge.

Answer

Wear a grounding strap and immediately open the case.

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Spray the interior with compressed air to remove dust before touching anything.

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Remove the CMOS battery first to ensure no power remains.

Question 6

A technician is replacing a damaged power supply in a desktop PC. After removing the old unit, the technician notices a large capacitor on the motherboard is bulging. What should the technician do to safely handle this situation?

Accepted Answer

Wear insulated gloves and carefully remove the motherboard for replacement.. A bulging capacitor indicates a failed or failing component that can leak electrolyte, cause further damage, or even burst. The safest course is to wear insulated gloves to avoid electric shock or chemical exposure and replace the entire motherboard, as the capacitor cannot be safely repaired in the field. Ignoring it or attempting makeshift fixes risks short circuits, fire, or injury.

Answer

Proceed with installing the new power supply and ignore the bulging capacitor.

Answer

Use a screwdriver to short the capacitor leads to discharge it.

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Apply electrical tape over the bulging capacitor to contain it.

Question 7

A technician is setting up a new workstation in a cubicle. The cubicle has multiple power strips daisy-chained together to provide enough outlets. What is the correct safety action the technician should take?

Accepted Answer

Remove the daisy chain and plug each device directly into a wall outlet using a single power strip with surge protection.. Daisy-chaining power strips is a fire hazard because it can exceed the ampacity of the circuit, leading to overheating and potential electrical fires. The correct safety action is to remove the daisy chain and plug each device directly into a wall outlet, using a single power strip with surge protection to safely distribute power without overloading the circuit.

Answer

Continue using the daisy-chained setup since it is convenient and all strips are rated for 15 amps.

Answer

Replace all power strips with heavy-duty extension cords rated for the total load.

Answer

Install a UPS at the end of the daisy chain to regulate power.

Question 8

A customer reports that their computer shuts down unexpectedly after a few minutes of use. The system feels hot to the touch, and the fan is running loudly. What is the most appropriate first step for a technician to take to ensure safety while diagnosing the issue?

Accepted Answer

Unplug the computer, let it cool for 30 minutes, then inspect for dust or fan failure.. This question tests knowledge of electrical safety and proper handling of overheated equipment. The correct answer is to unplug the computer to prevent electrical shock or fire, then allow it to cool before inspecting internal components. Attempting to open a hot system or ignoring the heat can lead to injury or further damage.

Answer

Immediately open the case and touch the CPU heatsink to check temperature.

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Spray compressed air into the vents while the system is running to clear dust.

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Replace the power supply unit immediately to fix the overheating.

Question 9

A technician is called to a warehouse where a forklift accidentally struck a rack containing several desktop PCs. The rack is leaning, and one PC has fallen and is sparking. What is the technician's first priority for safety?

Accepted Answer

Evacuate the area and report the incident to the safety officer or call 911.. The immediate priority when a PC is sparking and a rack is unstable is life safety. Evacuating the area and reporting the incident (to a safety officer or by calling 911) ensures no one is exposed to potential electrical fire, arc flash, or structural collapse. Attempting to unplug or extinguish the sparking PC while the rack is leaning could result in electrocution, burns, or being struck by falling equipment.

Answer

Quickly unplug the sparking PC to prevent a fire.

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Use a fire extinguisher on the sparking PC to prevent ignition.

Answer

Stabilize the rack with a nearby pallet to prevent further collapse.

Question 10

During a network upgrade, a technician needs to run new Ethernet cables through a drop ceiling. The technician notices that some existing cables are resting on the ceiling tiles and are not secured. What safety concern should the technician address?

Accepted Answer

Secure all cables to the ceiling grid using appropriate cable supports.. Unsecured cables on ceiling tiles can cause the tiles to fall, creating a head injury risk and damaging equipment. Cables should be secured to the building structure using J-hooks or cable trays. This also prevents tripping hazards and maintains fire code compliance.

Answer

Leave the cables as they are and run the new cables alongside them.

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Use zip ties to attach the cables to the sprinkler pipes for stability.

Answer

Remove the existing cables and replace them with the new ones.

Question 11

A technician is cleaning the inside of a desktop computer that has accumulated a large amount of dust. What is the safest method to remove the dust?

Accepted Answer

Use compressed air to blow the dust out of the case.. Compressed air is the safest method because it dislodges dust without physical contact, avoiding electrostatic discharge (ESD) or mechanical damage to sensitive components. Unlike other methods, it does not introduce moisture or static buildup, and it can reach tight spaces between heatsinks and circuit boards.

Answer

Use a standard household vacuum cleaner with a brush attachment.

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Use a damp cloth to wipe down the components.

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Use a soft brush to sweep the dust out.

Question 12

A customer reports that their computer is emitting a loud, continuous beep and the monitor shows no display. The technician suspects a hardware issue. What is the most important safety step to take before opening the case?

Accepted Answer

Unplug the power cord from the wall outlet.. The most important safety step before opening a computer case is to unplug the power cord from the wall outlet. This ensures complete disconnection from the AC mains, eliminating the risk of electric shock from exposed internal components, such as the power supply unit (PSU) capacitors, which can hold a dangerous charge even when the system is off. While other steps like wearing an anti-static wrist strap are good practices, they do not address the primary hazard of lethal voltage.

Answer

Put on anti-static wrist strap and grounding mat.

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Press the power button to discharge residual power.

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Wear safety goggles to protect eyes from debris.

Question 13

A technician is replacing the thermal paste on a CPU. After cleaning the old paste, the technician accidentally touches the CPU contacts with bare fingers. What is the primary concern?

Accepted Answer

The CPU contacts may become contaminated with oils from the skin.. Touching the CPU contacts with bare fingers transfers natural oils and contaminants from the skin onto the gold-plated contact pads. These oils can cause corrosion over time or create an insulating layer that impedes proper electrical connectivity, leading to intermittent failures or permanent damage. The primary concern is contamination, not ESD, overheating, or physical pressure.

Answer

The CPU may be damaged by electrostatic discharge (ESD).

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The CPU may overheat due to improper thermal paste application.

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The CPU may be physically damaged by the pressure of the touch.

Question 14

A technician is tasked with disposing of several old CRT monitors from a client's office. What is the correct disposal method for these monitors?

Accepted Answer

Take them to a certified e-waste recycling facility.. CRT monitors contain hazardous materials such as lead, phosphor, and other heavy metals that pose environmental and health risks. Certified e-waste recycling facilities are equipped to safely dismantle and process these components in compliance with environmental regulations like the EPA's Resource Conservation and Recovery Act (RCRA). Option C is the correct disposal method because it ensures legal and environmentally responsible handling of e-waste.

Answer

Place them in the regular office trash for pickup.

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Sell them to a scrap metal dealer.

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Disassemble them and recycle the plastic and metal separately.

Question 15

A technician is troubleshooting a laser printer that is producing smudged prints. The technician needs to remove the toner cartridge to inspect the drum. What safety precaution should be taken?

Accepted Answer

Avoid touching the drum surface and handle the cartridge carefully to prevent toner spills.. Option C is correct because the primary safety precaution when handling a toner cartridge is to avoid touching the drum surface, which is sensitive to light, oils, and scratches, and to handle the cartridge carefully to prevent toner spills. Toner is a fine powder that can be messy and difficult to clean, but it is not a respiratory hazard under normal handling conditions, so a respirator is not required. The high-voltage power supply in a laser printer is typically discharged automatically when the printer is unplugged, and using a vacuum cleaner for toner spills is dangerous because toner can be electrostatically charged and may cause a fire or explosion in a standard vacuum.

Answer

Wear a respirator mask to avoid inhaling toner particles.

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Discharge the high-voltage power supply before touching the drum.

Answer

Use a vacuum cleaner to clean any spilled toner immediately.