Practice Test Geeks(CMC) Certified Marine Chemist Practice Test
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Maritime Safety Regulations & Compliance Flashcards

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

Read the first 7 Maritime Safety Regulations & Compliance flashcards as text

  1. Under 46 CFR Part 35, which official is responsible for ensuring that a Marine Chemist certificate is obtained before hot work on a tankship?

    Answer: The vessel master

    46 CFR 35.01-1 places responsibility on the master of the vessel to ensure Marine Chemist certificates are obtained before authorizing hot work.

  2. The NFPA 306 lower flammable limit (LFL) threshold below which a space may be certified Safe for Hot Work is:

    Answer: Less than 1% LFL

    NFPA 306 requires that combustible gas concentrations be less than 1% of LFL for a 'Safe for Hot Work' certificate to be issued.

  3. A Marine Chemist certificate is valid for how long under normal NFPA 306 practice?

    Answer: 24 hours or until conditions change

    Marine Chemist certificates are valid for 24 hours or until there is a material change in conditions, whichever occurs first.

  4. Under SOLAS regulation II-2/4, cargo spaces carrying flammable liquids with flashpoints below 60°C must be equipped with:

    Answer: Inert gas systems

    SOLAS II-2/4 requires cargo pump rooms and spaces carrying low-flashpoint flammable liquids to have inert gas systems to prevent explosive atmospheres.

  5. Which federal agency has primary regulatory authority over hazardous materials transportation on navigable waterways within US jurisdiction?

    Answer: USCG

    The US Coast Guard (USCG) has primary authority over hazardous materials transportation on navigable waterways, including vessel design, cargo handling, and port safety.

  6. The Certificate of Compliance (COC) issued by the USCG for a chemical tanker certifies that the vessel:

    Answer: Is authorized to carry specific cargoes listed on the COC

    A Certificate of Compliance authorizes a vessel to carry only those specific cargoes listed on the certificate, based on design, equipment, and construction standards.

  7. Under OSHA 29 CFR 1915 (shipyard employment), what is the minimum oxygen percentage required before workers may enter a confined space without supplied air?

    Answer: 19.5%

    29 CFR 1915.12 requires oxygen concentrations of at least 19.5% before workers may enter confined spaces without supplied-air respirators.