Engine · 2026 NMC sample exam Q694–Q697
UFIV – Chief Engineer Practice Test
Every module on the National Maritime Center's 2026 sample examination for UFIV – Chief Engineer: 3 modules, 210 real questions, graded instantly.
The UFIV – Chief Engineer exam is split into 3 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 UFIV – Chief Engineer exam
| Module | Questions | Illustrations | Practice |
|---|---|---|---|
| Q694 Motor Plants | 70 | 25 | Practice → |
| Q696 Engineering Safety & Environmental Protection | 70 | 4 | Practice → |
| Q697 General Subjects | 70 | 12 | Practice → |
| Total | 210 | 41 |
Most modules require 70 percent to pass; Rules of the Road modules require 90 percent.
Q694 · 70 questions · 25 illustrations
Motor Plants
- 1. You are serving as an engineer onboard a mollusc dredger equipped with main propulsion diesel engines of the type shown in the illustration. What scavenging flo...
- 2. You are assigned to a fishing factory ship fitted with main propulsion diesel engines of the type shown in the illustration. If the engine's crankshaft is turni...
- 3. You are assigned as an engineer on a fishing industry factory ship using main propulsion engines of the type shown in the illustration. Assuming that the piston...
- 4. You are assigned as an engineer on an uninspected fishing industry vessel using main propulsion engines of the type shown in the illustration. Assuming that the...
- 5. You are analyzing the data used for trend analysis for one of the main propulsion diesel engines on the ship- docking tug to which you are assigned. The cylinde...
Showing the first 5 of 70. Start at question 1 and use Next to work through the module →
Q696 · 70 questions · 4 illustrations
Engineering Safety & Environmental Protection
- 1. Wooden shoring, with a cross-sectional dimension of 4" X 4" should not be longer than __________.
- 2. Your vessel has run aground and upon taking fuel oil tank soundings, you find that a fuel tank level has increased. You therefore should suspect __________.
- 3. Following a grounding, you can best determine that a SLACK fuel oil tank has been holed by __________.
- 4. Your ship has run aground and it is necessary to determine whether or not a compartment has flooded. Therefore, you should __________.
- 5. Progressive flooding in the engine room may be minimized by securing watertight boundaries and __________.
Showing the first 5 of 70. Start at question 1 and use Next to work through the module →
Q697 · 70 questions · 12 illustrations
General Subjects
- 1. Using the information in the illustration shown, the tail of the welding symbol will __________. Illustration GS-0030
- 2. What is the length of the stud used to secure the packing gland shown in the illustration?
- 3. A hydraulic flow control circuit is shown in the illustration and is known as a __________.
- 4. A hydraulic fluid flow control circuit, controlling linear actuator speed during extension, with the pump operating at system pressure, is known as a __________...
- 5. To charge a bladder type hydraulic accumulator __________.
Showing the first 5 of 70. Start at question 1 and use Next to work through the module →
UFIV – Chief Engineer exam FAQ
Q How many questions are on the UFIV – Chief Engineer exam?
The National Maritime Center's 2026 sample examination for UFIV – Chief Engineer has 210 questions across 3 modules: Q694 Motor Plants (70 questions), Q696 Engineering Safety & Environmental Protection (70 questions) and Q697 General Subjects (70 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 UFIV – Chief Engineer exam?
The modules are Q694 Motor Plants (70 questions), Q696 Engineering Safety & Environmental Protection (70 questions) and Q697 General Subjects (70 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 UFIV – Chief Engineer 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 UFIV – Chief Engineer (modules Q694–Q697), 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 UFIV – Chief Engineer 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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