Mate 500/1600 Ton Practice Test: Great Lakes & Inland

The inland watch officer ticket on the same boats. Coast Guard exam code GLI04.

283 real questions from the Coast Guard National Maritime Center's public sample exams, free. Rules of the Road needs 90%. Every other module needs 70%.

Passing score: Coast Guard pass marks module by module, and the retest rules

What's free: daily rounds, the Brig, the drills and the Pass Meter, for every license. Your first module test is free too. After that, the full Exam Room is $19, once. No subscription.

What's on the test

The Q330 Chart Plot (chart 12354 TR) module is done on a paper chart at the exam, so it isn't here. Practice it with the chart and tools.

10 sample questions

1. For the purpose of the Inland Navigation Rules, the term "Inland Waters" includes which of the following?

   • A.The coastline of the United States out to one mile offshore
   • B.The Great Lakes on the United States side of the boundary
   • C.The waters surrounding any islands of the U.S.
   • D.Any lakes within state boundaries
   Show answer

   B. The Great Lakes on the United States side of the boundary

   Q100, Rules of the Road: International & Inland

2. Fueling results in the collection of waste oil in drip pans and containers. Which is an approved method of disposing of the waste oil?

   • A.Draining it overboard when the vessel gets underway
   • B.Adding sinking agents and discharging it into the water
   • C.Discharge to a proper reception facility
   • D.Mixing it with dispersants before draining it overboard
   Show answer

   C. Discharge to a proper reception facility

   Q160, Deck General

3. Which extinguishing agent is best for use on a magnesium fire?

   • A.Water
   • B.CO2
   • C.Dry chemical
   • D.Sand
   Show answer

   D. Sand

   Q161, Deck Safety

4. What does a white buoy with an orange rectangle on it indicate?

   • A.General information
   • B.Danger
   • C.An exclusion area
   • D.A controlled area
   Show answer

   A. General information

   Q171, Navigation General: Near Coastal

5. What will happen when cargo is shifted from the main deck into the lower hold of a vessel?

   • A.The metacenter will move upward.
   • B.The GM will increase.
   • C.The center of buoyancy will move upward.
   • D.All of the above
   Show answer

   B. The GM will increase.

   Q161, Deck Safety

6. A law enforcement vessel patrolling a marine regatta may exhibit a flashing blue light or which of the following alternates?

   • A.two amber lights in a horizontal line
   • B.a fixed green light over a red flashing light
   • C.a high intensity flashing white light (strobe)
   • D.an alternately flashing red and yellow light
   Show answer

   D. an alternately flashing red and yellow light

   Q100, Rules of the Road: International & Inland

7. In fog you observe your radar and determine that risk of collision exists with a vessel which is 2 miles off your port bow. Which action should you take?

   • A.Take avoiding action as soon as possible
   • B.Sound five short and rapid blasts at two-minute intervals
   • C.Hold course and speed until the other vessel is sighted
   • D.Stop your engines
   Show answer

   A. Take avoiding action as soon as possible

   Q100, Rules of the Road: International & Inland

8. The possibility of wake damage can be reduced by following which action?

   • A.Slow down when passing moored vessels
   • B.Alternate engine speeds
   • C.Apply rudder in both port and starboard directions
   • D.Passing close aboard to the moored vessel
   Show answer

   A. Slow down when passing moored vessels

   Q170, Deck General / Safety

9. If you have to jump in the water when abandoning ship, your legs should be in which position?

   • A.Your legs should be spread apart as far as possible
   • B.Your legs should be in a kneeling position
   • C.Your legs should be held as tightly against your chest as possible
   • D.Your legs should be extended straight down and crossed at the ankles
   Show answer

   D. Your legs should be extended straight down and crossed at the ankles

   Q161, Deck Safety

10. You have been informed that dredging operations may be underway in your vicinity. Which buoy indicates the dredging area?

    • A.Yellow and black vertically striped buoy
    • B.White and international orange buoy
    • C.Yellow buoy
    • D.White buoy with a green top
    Show answer

    C. Yellow buoy

    Q171, Navigation General: Near Coastal

What the study guide does

• Short daily rounds of 10 questions, with a streak.
• Practice tests built like the real one, scored with the real pass marks (first one free, then $19 once for the full Exam Room).
• The Brig: questions you miss come back until you get them right twice.
• Pass Meter: your chance of passing every module if you sat it today, worked out from your own answers.
• Lights, shapes and sound signal drills (Rules 21-35).