Hazard Recognition and Control Flashcards
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Read the first 7 Hazard Recognition and Control flashcards as text
Which hierarchy of controls method is considered the MOST effective at eliminating workplace hazards?
Answer: Elimination
Elimination physically removes the hazard from the workplace and is the most effective control method in the hierarchy.
A safety supervisor notices workers are exposed to silica dust during concrete grinding. Which action BEST applies the hierarchy of controls?
Answer: Switch to wet grinding methods to suppress dust
Wet grinding is an engineering control that suppresses silica dust at the source, ranking higher than PPE or administrative controls.
What does a Job Hazard Analysis (JHA) primarily help a safety supervisor accomplish?
Answer: Identify hazards associated with each step of a task before work begins
A JHA breaks a job into steps, identifies potential hazards at each step, and recommends controls before work is performed.
Which type of hazard is characterized by repeated motion, awkward postures, and forceful exertions leading to musculoskeletal disorders?
Answer: Ergonomic hazard
Ergonomic hazards involve factors in the work environment that can cause musculoskeletal disorders through repetitive strain or poor body positioning.
When conducting a workplace inspection, a safety supervisor finds a frayed electrical cord on a power tool. This is BEST classified as which type of hazard?
Answer: Unsafe condition
A frayed cord is a physical deficiency in the work environment, classifying it as an unsafe condition.
Which OSHA standard requires employers to identify, evaluate, and control employee exposures to chemical, physical, biological, and ergonomic hazards?
Answer: OSHA's General Duty Clause Section 5(a)(1)
The General Duty Clause requires employers to provide a workplace free from recognized hazards likely to cause death or serious physical harm.
A flammable liquid storage room is poorly ventilated and workers use spark-producing tools nearby. This situation represents which concept?
Answer: Compounding hazards
Compounding hazards occur when multiple hazards interact to create a risk greater than any single hazard alone, such as flammable vapors combined with ignition sources.