Practice Test GeeksPCS - Protective Coatings Specialist Certification Practice Test
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Safety Procedures Flashcards

7 cards from real PCS 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 Procedures flashcards as text

  1. Which control is required on an abrasive blast nozzle so flow stops when the operator lets go?

    Answer: Deadman control

    A deadman control shuts off abrasive flow automatically if the operator releases the handle.

  2. What grade of breathing air is the minimum for supplied-air respirators under OSHA?

    Answer: Grade D

    OSHA 1910.134 requires compressed breathing air to meet at least CGA Grade D.

  3. An oil-lubricated compressor supplying blast helmets must have what safeguard?

    Answer: A high-temperature alarm, CO alarm, or both

    Oil-lubricated compressors can generate carbon monoxide, so high-temperature and/or CO alarms are required.

  4. What is the maximum carbon monoxide level allowed in Grade D breathing air?

    Answer: 10 ppm

    Grade D breathing air may contain no more than 10 ppm carbon monoxide.

  5. What device prevents blast hose couplings from separating and whipping violently?

    Answer: Whip checks and coupling safety pins

    Whip checks and safety pins keep pressurized hoses secured if a coupling fails.

  6. Why is silica sand discouraged or banned as a blast abrasive in many jurisdictions?

    Answer: It produces respirable crystalline silica linked to silicosis

    Blasting with silica sand generates respirable crystalline silica, a cause of silicosis and lung cancer.

  7. What is OSHA's PEL for respirable crystalline silica as an 8-hour TWA?

    Answer: 50 µg/m³

    OSHA's silica standard sets the PEL at 50 µg/m³ with an action level of 25 µg/m³.

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