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USCG Barge Supervisor Practice Test

99 Barge Supervisor questions from the National Maritime Center’s published sample exams for Mobile Offshore Drilling Units, each with the NMC’s answer key. Questions that need an illustration, a chart or a reference book are left out.

49 of them come with the closest regulation or reference section, shown with the answer.

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10 sample Barge Supervisor questions with answers

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  1. Question 1 · Mobile Offshore Drilling Units

    Dry chemical fire extinguishers are effective on which type(s) of fire?

    • A.Electrical
    • B.Paint
    • C.Burning oil
    • D.All of the above (correct answer)

    Answer: D. All of the above

    Related regulation: 29 CFR 1915.507 ↗ — Land-side fire protection systems

  2. Question 2 · Mobile Offshore Drilling Units

    Which of the following would be the most probable location to encounter explosive and flammable gasses on a MODU?

    • A.at any location
    • B.on the drill floor and liquid mud handling areas (correct answer)
    • C.in machinery spaces
    • D.in bulk storage tanks

    Answer: B. on the drill floor and liquid mud handling areas

    Related regulation: 46 CFR 108.170 ↗ — Definitions

  3. Question 3 · Mobile Offshore Drilling Units

    According to the Lifesaving regulations in Subchapter W, fire and abandon ship drills must be held within 24 hours of leaving port if the percentage of the crew that has not participated in drills aboard that particular vessel in the prior month exceeds which percentage?

    • A.5%
    • B.10%
    • C.25% (correct answer)
    • D.40%

    Answer: C. 25%

    Related regulation: 46 CFR 199.180 — Training and drills

  4. Question 4 · Mobile Offshore Drilling Units

    A qualified person must be assigned as the second in command of a lifeboat on a MODU if the lifeboat has a capacity of more than __________.

    • A.20 persons
    • B.30 persons
    • C.40 persons (correct answer)
    • D.50 persons

    Answer: C. 40 persons

    Related regulation: USCG MSM 16000.76 Ch.2 — Marine Safety — Outer Continental Shelf Activities — Ch.2 Procedures Applicable to MODUs (U.S.)

  5. Question 5 · Mobile Offshore Drilling Units

    Ascending and descending air masses with different temperatures is part of an important heat transmitting process in our atmosphere. Which term is given to this process?

    • A.Conduction
    • B.Barometric inversion
    • C.Convection (correct answer)
    • D.Radiation

    Answer: C. Convection

    Further reading: Bowditch Art.3909 — Bowditch Ch.39 Weather Elements — 3909. Types of Air Masses

  6. Question 6 · Mobile Offshore Drilling Units

    How is the external flotation bladder of an immersion suit inflated?

    • A.It inflates by sea water bleeding into the flotation bladder and reacting with a chemical therein.
    • B.It is inflated by a small CO2 bottle that is automatically tripped when the front zipper is at the top of the zipper track.
    • C.It is inflated by a small CO2 bottle that is manually tripped.
    • D.It is inflated by blowing through an inflation tube. (correct answer)

    Answer: D. It is inflated by blowing through an inflation tube.

    Related regulation: 46 CFR 160.171-9 — Construction

  7. Question 7 · Mobile Offshore Drilling Units

    In how many locations must lifeboats be installed on a mobile offshore drilling unit?

    • A.1
    • B.2 (correct answer)
    • C.3
    • D.4

    Answer: B. 2

    Related regulation: 46 CFR 108.525 ↗ — Survival craft number and arrangement

  8. Question 8 · Mobile Offshore Drilling Units

    The immersion suit requirements for MODU's apply to units operating in the Atlantic Ocean above __________.

    • A.20°North and below 20°South
    • B.25°North and below 25°South
    • C.30°North and below 30°South
    • D.32°North and below 32°South (correct answer)

    Answer: D. 32°North and below 32°South

    Related regulation: 33 CFR 149.326 ↗ — What are the immersion suit requirements?

  9. Question 9 · Mobile Offshore Drilling Units

    When the COASTAL DRILLER is loaded as shown in the sample load form Number 3 (drilling), the hook load is placed in the pipe racks. What would be the new variable load?

    • A.2,381.0 kips
    • B.3,381.0 kips
    • C.3,658.8 kips (correct answer)
    • D.4,381.0 kips

    Answer: C. 3,658.8 kips

    Related regulation: 46 CFR 173.007 ↗ — Location of the hook load

  10. Question 10 · Mobile Offshore Drilling Units

    Tropical cyclones normally form within which of the following belts of latitude?

    • A.5° to 15° (correct answer)
    • B.15° to 30°
    • C.45° to 60°
    • D.30° to 45°

    Answer: A. 5° to 15°

    Further reading: Bowditch Art.4003 — Bowditch Ch.40 Tropical Cyclones — 4003. Origin, Season and Frequency

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The questions and answer keys are from the U.S. Coast Guard National Maritime Center’s published sample exams. RegKnot is not affiliated with the U.S. Coast Guard or the National Maritime Center. A practice score does not predict your exam result; check the NMC for current exam requirements.