Practice Test Geeks(MST) Marine Service Technician Practice Test
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Safety & Environmental Regulations Flashcards

7 cards from real MST 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 & Environmental Regulations flashcards as text

  1. Under the Clean Water Act, what is the maximum allowable oil content in bilge water discharged overboard from a recreational vessel?

    Answer: 10 ppm

    The Clean Water Act and EPA regulations limit overboard discharge of bilge water to no more than 10 parts per million (ppm) of oil.

  2. Which agency administers the Oil Pollution Act (OPA 90) for vessels operating in US waters?

    Answer: USCG and EPA jointly

    OPA 90 is jointly administered by the US Coast Guard (for vessel compliance) and the EPA (for facilities and response planning).

  3. A marine technician notices a customer's vessel has no placard stating 'Discharge of Oil Prohibited.' What is required?

    Answer: Post a 5×8 inch placard in the machinery space

    Federal law (33 CFR 151.65) requires vessels 26 feet and longer to post a 5×8 inch 'Discharge of Oil Prohibited' placard in the machinery space.

  4. When working in a confined space aboard a vessel, what atmosphere condition is considered immediately dangerous to life or health (IDLH) for oxygen?

    Answer: Below 19.5% or above 23.5% oxygen

    OSHA defines an IDLH atmosphere for oxygen as below 19.5% (oxygen deficient) or above 23.5% (oxygen enriched), both of which are hazardous.

  5. Which type of fire extinguisher is most appropriate for an engine compartment fire involving fuel and electrical components?

    Answer: Type B:C dry chemical or CO2

    B:C rated dry chemical or CO2 extinguishers are approved for flammable liquid (B) and electrical (C) fires common in engine compartments.

  6. Under MARPOL Annex V, which of the following garbage categories is PROHIBITED from discharge anywhere at sea?

    Answer: Plastics

    MARPOL Annex V prohibits the discharge of all plastics into the sea, regardless of location or distance from shore.

  7. What is the primary purpose of a Vessel Response Plan (VRP) required under OPA 90?

    Answer: To outline procedures for responding to a worst-case oil discharge

    A VRP is a federally mandated document that details a vessel owner's plan for responding to a worst-case oil discharge scenario.