OHS FINAL EXAMINATION

What is electrostatic discharge (ESD)?

• A natural phenomenon unrelated to electronics

• The sudden flow of electricity between objects with different charges

• A type of voltage regulator

• A protective device for circuits

Which hazardous material is commonly found in electronic circuit boards?

• Aluminum

• Lead

• Zinc

• Rubber

Why is mercury considered hazardous in electronics?

• It is a fire risk

• It is harmful to health and the environment

• It is expensive to recycle

• It reduces device efficiency

What does OSHA recommend for fall protection in the construction industry?

• Elevations above 2 feet

• Elevations above 4 feet

• Elevations above 6 feet

• Elevations above 10 feet

What is the purpose of anti-glare screens in a digital drafting workspace?

• To increase screen resolution

• To reduce reflections and eye strain

• To improve worker productivity

• To block bright ambient light

What document provides safety information for handling hazardous materials?

• Warranty card

• User manual

• Material Safety Data Sheet (MSDS)

• Purchase receipt

What is the first step in responding to a workplace injury?

• Reporting it to management

• Administering first aid

• Continuing with work

• Documenting the injury

Why is regular site inspection essential?

• To improve worker efficiency

• To identify hazards before accidents occur

• To ensure timely task completion

• To monitor worker attendance

What is the primary purpose of grounding in electrical setups?

• To provide a safe path for electrical current

• To reduce power fluctuations

• To enhance current flow

• To prevent overheating

Which of the following is a recommended practice for storing hazardous materials?

• Using paper bags

• Keeping them near workstations

• Storing them in labeled, secure containers

• Placing them on high shelves