Deck · 2026 NMC sample exam Q401–Q402
Master under 100 GRT Rivers Practice Test
Every module on the National Maritime Center's 2026 sample examination for Master Less than 100 Gross Registered Tons Rivers: 2 modules, 120 real questions, graded instantly.
The Master Less than 100 Gross Registered Tons Rivers exam is split into 2 modules, each graded separately. The table below is the National Maritime Center's own 2026 sample examination for this credential, module by module, with every question matched to our bank of released U.S. Coast Guard exam questions. Open a module to practice its questions one at a time, or sit the whole module as a timed exam.
What is on the Master Less than 100 Gross Registered Tons Rivers exam
| Module | Questions | Illustrations | Practice |
|---|---|---|---|
| Q401 Deck General - Safety | 70 | 3 | Practice → |
| Q402 Navigation General - Rivers | 50 | 2 | Practice → |
| Total | 120 | 5 |
Most modules require 70 percent to pass; Rules of the Road modules require 90 percent.
Q401 · 70 questions · 3 illustrations
Deck General - Safety
- 1. What is the name of the metal, teardrop-shaped object sometimes used within an eyesplice?
- 2. Which knot is used to attach two different sized lines together?
- 3. What type of knot in the illustration is indicated by the Letter "R"?
- 4. What type of knot in the illustration is indicated by the Letter "J"?
- 5. Which type of line floats?
Showing the first 5 of 70. Start at question 1 and use Next to work through the module →
Q402 · 50 questions · 2 illustrations
Navigation General - Rivers
- 1. In the IALA Buoyage System, preferred-channel-to-port or preferred-channel-to-starboard buoys, which is TRUE when fitted with lights?
- 2. Permission to enter the riverward chamber of twin locks is given by the lockmaster and consists of which sound signal?
- 3. What will act to dissipate fog?
- 4. Which is TRUE concerning the flow of air around an anticyclone in the Southern Hemisphere?
- 5. An electronic depth finder operates on which principle?
Showing the first 5 of 50. Start at question 1 and use Next to work through the module →
Master Less than 100 Gross Registered Tons Rivers exam FAQ
Q How many questions are on the Master Less than 100 Gross Registered Tons Rivers exam?
The National Maritime Center's 2026 sample examination for Master Less than 100 Gross Registered Tons Rivers has 120 questions across 2 modules: Q401 Deck General - Safety (70 questions) and Q402 Navigation General - Rivers (50 questions). Every one is multiple choice with four answers, and you can practice all of them on this page.
Q What modules are on the Master Less than 100 Gross Registered Tons Rivers exam?
The modules are Q401 Deck General - Safety (70 questions) and Q402 Navigation General - Rivers (50 questions). Each module is graded separately, so you need to pass every one to pass the exam.
Q What score do I need to pass the Master Less than 100 Gross Registered Tons Rivers exam?
Most USCG exam modules require 70 percent to pass; Rules of the Road modules, where they apply, require 90 percent. Check the specific requirements for your endorsement with the National Maritime Center.
Q Are these the real questions?
Yes. They are the questions on the National Maritime Center's published 2026 sample examination for Master Less than 100 Gross Registered Tons Rivers (modules Q401–Q402), matched to our bank of released U.S. Coast Guard exam questions. The exam you sit draws from the same pools.
Q Can I take a timed Master Less than 100 Gross Registered Tons Rivers practice exam?
Yes. Subscribers can sit any module as an official sample exam in its published order, timed or untimed, with answers revealed at the end. Free accounts can build one 10-question practice exam and answer questions on every module page.
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Ready to pass the Master Less than 100 Gross Registered Tons Rivers exam?
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