Answer 1 While fixing a computer, you notice water spilled near the power cables. What type of hazard is this? Correct Answer: B. Electrical hazard
Answer 2 A student trips over a network cable stretched across the classroom floor. What hazard does this illustrate? Correct Answer: B. Physical hazard
Answer 3 You open a printer, and the moving roller suddenly starts spinning, catching your finger. What hazard is this? Correct Answer: C. Mechanical hazard
Answer 4 A technician breathes in fumes while using strong cleaning solvents. What hazard is being described? Correct Answer: C. Chemical hazard
Answer 5 A technician wears an antistatic wrist strap while repairing a CRT monitor. What is the risk? Correct Answer: A. Electrical shock
Answer 6 Your computer’s power supply unit (PSU) carries 220 volts. What hazard does this represent? Correct Answer: B. Electrical shock hazard
Answer 7 A colleague leaves a screwdriver on top of a ladder. What hazard does this create? Correct Answer: A. Physical hazard
Answer 8 Ink from a damaged printer cartridge splashes onto your skin and clothes. This is an example of: Correct Answer: C. Chemical hazard
Answer 9 A technician uses a magnetized screwdriver inside a computer system. What is the possible risk? Correct Answer: A. It may damage components
Answer 10 A student tries to clean a PC while it is still plugged in. What hazard is this? Correct Answer: B. Electrical hazard
Answer 11 You notice boxes of monitors stacked unsafely in a storage room. What hazard is this? Correct Answer: B. Physical hazard
Answer 12 A hot soldering iron is left unattended on the lab table. What hazard does it pose? Correct Answer: B. Fire hazard
Answer 13 A technician accidentally plugs a USB cable into the wrong port, forcing it. What hazard might result? Correct Answer: A. Damage to equipment
Answer 14 A worker experiences constant loud noise from nearby servers and fans. What hazard is this? Correct Answer: B. Physical hazard
Answer 15 You are repairing a PC while wearing wet rubber shoes. What hazard is this? Correct Answer: A. Electrical hazard
Answer 16 A CRT monitor explodes due to improper handling. What hazard is this? Correct Answer: A. Physical hazard
Answer 17 A technician cleans a motherboard using a pencil to point at components. What hazard may occur? Correct Answer: A. Pencil lead may conduct electricity
Answer 18 You smell something burning inside a CPU tower. What should you do first? Correct Answer: B. Unplug the computer
Answer 19 A loose electrical cord is left dangling where people walk. What hazard is this? Correct Answer: A. Electrical and physical hazard
Answer 20 A worker uses a cleaning spray directly on an energized computer. What hazard is this? Correct Answer: B. Chemical and electrical hazard