100 Ton to 200 Ton Upgrade Practice Test (Near Coastal)

Already hold Master 100 ton? This one 50-question module is the 200-ton upgrade. Your NMC approval letter lists the exact modules. Coast Guard exam code ONC05.

50 real questions from the Coast Guard National Maritime Center's public sample exams, free. Each module needs 70% to pass.

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

10 sample questions

1. An emergency sea anchor may be constructed by using which item(s)?

   • A.An air tank filled with water
   • B.A boat bucket
   • C.An oar and canvas weighted down
   • D.All of the above
   Show answer

   D. All of the above

   Q445, Lifeboat Operator

2. Which of the signals listed is required to be displayed at night while bunkering at a dock?

   • A.Two red lights
   • B.One red light over a white light
   • C.One red light
   • D.One red light over a yellow light
   Show answer

   C. One red light

   Q451, Deck General / Safety

3. What is the purpose of a striking plate?

   • A.It provides a surface for applying force on machinery
   • B.It prevents valve stem over-travel
   • C.It absorbs machinery vibration
   • D.It provides a landing surface for the sounding bob
   Show answer

   D. It provides a landing surface for the sounding bob

   Q411, Towing Deck Safety (Oceans/Near Coastal)

4. Which is the major disadvantage of a low-speed diesel as compared to a steam main-propulsion system?

   • A.The minimum speed for the engines that limits the minimum speed of the vessel
   • B.The low efficiency of the system when a controllable pitch propeller is used
   • C.The extra weight required for the diesel reduction gearing
   • D.The higher fuel consumption per SHP
   Show answer

   A. The minimum speed for the engines that limits the minimum speed of the vessel

   Q411, Towing Deck Safety (Oceans/Near Coastal)

5. What is a ceiling on a vessel?

   • A.A wooden protection placed over the tank top
   • B.The overhead in berthing compartments
   • C.The material driven into seams or cracks to prevent leaking
   • D.None of the above are correct
   Show answer

   A. A wooden protection placed over the tank top

   Q411, Towing Deck Safety (Oceans/Near Coastal)

6. What is a system of reservoirs and connecting tubes in a gyro compass called?

   • A.The gyrotron
   • B.The mercury ballistics
   • C.The rotor
   • D.The spider element
   Show answer

   B. The mercury ballistics

   Q413, Towing Navigation General, Oceans

7. What is the best indication of the loading of a diesel engine?

   • A.Manifold pressure
   • B.Exhaust gas temperature
   • C.Fuel consumption
   • D.Oil temperature
   Show answer

   B. Exhaust gas temperature

   Q419, Towing Deck Safety (Great Lakes & Inland)

8. What is the function of wearing rings found on some centrifugal pumps?

   • A.Dampen the turbulent discharge flow
   • B.Absorb erosion of high-velocity discharge stream
   • C.Isolate the outlet side from the inlet side
   • D.Seal pump shaft against entry of air
   Show answer

   C. Isolate the outlet side from the inlet side

   Q419, Towing Deck Safety (Great Lakes & Inland)

9. Who must approve the vessel's trim and stability booklet?

   • A.Society of Naval Architects and Marine Engineers
   • B.International Maritime Organization
   • C.National Cargo Bureau
   • D.United States Coast Guard
   Show answer

   D. United States Coast Guard

   Q423, Towing Deck General (Western Rivers)

10. When bunkering at a dock which of the following signals must be displayed?

    • A.A red flag by day, red light by night
    • B.A green flag by day, green light by night
    • C.A red flag by day, a blue light by night
    • D.A yellow flag by day, red light by night
    Show answer

    A. A red flag by day, red light by night

    Q150, Deck General (200 ton)

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).