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Safety Protocols & Hazard Management Flashcards

7 cards from real CPT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Safety Protocols & Hazard Management flashcards as text

  1. Which tool is most commonly used during a Process Hazard Analysis (PHA) to systematically identify deviations from design intent?

    Answer: HAZOP (Hazard and Operability Study)

    HAZOP uses guide words (e.g., MORE, LESS, NO) applied to process parameters to identify deviations and their potential consequences.

  2. A process vessel is being prepared for maintenance entry. After blinding and purging, the confined space atmosphere tests at 20.8% oxygen and 0 ppm toxic gases. What should happen next?

    Answer: Issue the confined space entry permit and post an attendant

    Acceptable atmospheric conditions are necessary but not sufficient alone; a formal permit must be issued and an attendant stationed outside.

  3. What does 'inherently safer design' (ISD) mean in process safety?

    Answer: Eliminating or reducing hazards at the source rather than relying on controls

    ISD reduces risk by minimizing inventory, substituting less hazardous materials, or simplifying processes so hazards cannot occur rather than just being controlled.

  4. Which of the following best describes the purpose of a safety shower and eyewash station in a chemical processing area?

    Answer: To flush corrosive or hazardous chemicals from the body or eyes immediately after contact

    Safety showers and eyewashes provide immediate, high-volume water flushing to minimize injury from chemical exposure within 10 seconds of exposure.

  5. In the hierarchy of controls, which control measure is considered MOST effective for managing workplace hazards?

    Answer: Elimination of the hazard

    Elimination removes the hazard entirely and is the most reliable because it does not depend on human behavior or equipment maintenance.

  6. A pressure relief valve (PRV) on a reactor has been found leaking slightly. What is the correct immediate action?

    Answer: Tag the valve, notify supervision, and follow the Management of Change procedure

    A leaking PRV must be documented, supervision notified, and MOC procedures followed before any modification, as the PRV is a critical safety device.

  7. Which GHS (Globally Harmonized System) pictogram indicates an acute toxicity hazard?

    Answer: Skull and crossbones

    The skull and crossbones pictogram on a GHS Safety Data Sheet indicates acute toxicity categories 1–3, meaning small amounts can be fatal.