Master or Mate 200 Ton Rivers Practice Test

The next size up on the rivers: bigger excursion and dinner boats. Coast Guard exam code RVR04.

144 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 Q398 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. You are making a sharp turn in a channel and using a buoy four points on the bow to gauge your rate of turn. If you observe the buoy moving aft relative to you, what should you do?

   • A.Decrease speed
   • B.Maintain a constant rate of turn
   • C.Increase the rate of turn
   • D.Decrease the rate of turn
   Show answer

   C. Increase the rate of turn

   Q160, Deck General

3. What type of clouds are associated with a cold front?

   • A.Cumulus and cumulonimbus
   • B.Altostratus and fracto-cumulus
   • C.Cirrus and cirrostratus
   • D.Altostratus and cirrus
   Show answer

   A. Cumulus and cumulonimbus

   Q349, Navigation General

4. 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

5. When piloting a vessel, how are visual references used to establish a constant rate of turn?

   • A.Visual references cannot be used to maintain a constant rate of turn.
   • B.Begin the turn when the fixed object is on the beam.
   • C.Fixed objects that stay on the same relative bearing when the ship is turning indicate a constant rate of turn.
   • D.Keep the fixed object's relative bearing opening, for a constant rate of turn.
   Show answer

   C. Fixed objects that stay on the same relative bearing when the ship is turning indicate a constant rate of turn.

   Q160, Deck General

6. What is the standard atmospheric pressure as measured in inches of mercury?

   • A.29.92
   • B.500.0
   • C.760.0
   • D.1013.2
   Show answer

   A. 29.92

   Q349, Navigation General

7. 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

8. Failure to notify the Coast Guard of an oil spill can carry a prison sentence of what duration?

   • A.Not more than 1 year
   • B.Not more than 2 years
   • C.Not more than 3 years
   • D.Not more than 5 years
   Show answer

   D. Not more than 5 years

   Q160, Deck General

9. Which characteristics will a lighted buoy that is to be left to starboard, when entering a U.S. port from seaward have?

   • A.A green light
   • B.A white light
   • C.A red light
   • D.A light characteristic of Morse (A)
   Show answer

   C. A red light

   Q349, Navigation General

10. A power-driven vessel shows the same lights as which vessel?

    • A.a vessel engaged in towing, when not underway
    • B.a vessel towing astern
    • C.a sailing vessel
    • D.a pushing vessel and a vessel being pushed, when they are rigidly connected in a composite unit
    Show answer

    D. a pushing vessel and a vessel being pushed, when they are rigidly connected in a composite unit

    Q100, Rules of the Road: International & Inland

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).