Master Any Tonnage Rivers Practice Test

The top river deck ticket: any size vessel on the rivers, up to the overnight river cruise boats. Coast Guard exam code RVR01.

176 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 Q383 Chart Plot (Mississippi River) 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. When is a lookout permitted to leave his station?

   • A.15 minutes before the end of the watch
   • B.Only when properly relieved
   • C.At the end of the watch
   • D.At any time
   Show answer

   B. Only when properly relieved

   Q170, Deck General / Safety

3. What does the term "beam of a vessel" refer to?

   • A.The internal cubic capacity
   • B.The width of the vessel
   • C.The depth between decks
   • D.The molded depth of the vessel
   Show answer

   B. The width of the vessel

   Q161, Deck Safety

4. When operated over a muddy bottom, a fathometer may indicate which of the following?

   • A.A shallow depth reading
   • B.A zero-depth reading
   • C.No depth reading
   • D.Two depth readings
   Show answer

   D. Two depth readings

   Q171, Navigation General: Near Coastal

5. 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

6. Which vessel is NOT required to have a Pollution Placard posted on board?

   • A.215-foot naval auxiliary vessel
   • B.75-foot towing vessel
   • C.50-foot cabin cruiser used for pleasure only
   • D.150-foot unmanned tank barge
   Show answer

   A. 215-foot naval auxiliary vessel

   Q347, Deck General

7. If heavy smoke is coming from the paint locker, what should be the FIRST firefighting response?

   • A.Release the CO2 flooding system
   • B.Secure the ventilation
   • C.Open the door to evaluate the extent of the fire
   • D.Enter and use a portable extinguisher
   Show answer

   B. Secure the ventilation

   Q170, Deck General / Safety

8. Fog generally clears when the __________.

   • A.temperature increases
   • B.wind speed increases
   • C.wind direction changes
   • D.All of the above
   Show answer

   D. All of the above

   Q171, Navigation General: Near Coastal

9. Which is TRUE for a vessel using a traffic separation scheme?

   • A.only anchor in the separation zone
   • B.avoid anchoring in areas near the termination of the scheme
   • C.use the separation zone for navigating through the scheme if she is hindering other traffic due to her slower speed
   • D.avoid crossing traffic lanes, but if obliged to do so, shall cross on as small an angle as is practical
   Show answer

   B. avoid anchoring in areas near the termination of the scheme

   Q100, Rules of the Road: International & Inland

10. Which is the root cause of wake damage to a vessel or structure in a narrow channel?

    • A.Slack mooring lines
    • B.Trim of the vessel
    • C.Excessive speed
    • D.Improper steering of the vessel
    Show answer

    C. Excessive speed

    Q356, Deck General / Safety

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).