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Engineering BDOC Exam Study Guide 2025 |
Comprehensive Practice Questions, Review, and Answers
Prepare for the Engineering BDOC Exam with this 2025 comprehensive study guide. Covers
core engineering principles, problem-solving, design, safety standards, project management, and
technical calculations. Includes practice questions, sample scenarios, and detailed answer
explanations for effective exam preparation.
• Engineering BDOC exam 2025
• BDOC practice test for engineers
• Engineering exam review 2025
What types of fuel are used on-board ships? - ANSWER-- F-44 (JP-5) Kerosene type
- Fuel System Icing Inhibitor
(FSII)
- Depresses freezing point to
-43F
- F-76 (primary)
- Gasoline type fuel used for
propulsion
Where is fuel stored? - ANSWER-in Service Tanks (ballasting tanks allow ship to maintain stability as fuel
levels decrease)
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How is fuel transferred? - ANSWER-using fuel oil transfer pumps (centrifugal)
Describe the fuel oil service system. - ANSWER-2 service tanks and 2 service pumps
How is fuel oil purified? - ANSWER-fuel oil transfer heater heats fuel to bring it to optimum temperature,
F/O purifier centrifugal pump
What type of electricity is generated on-board most ships? - ANSWER-450V, 60Hz, 3 phase electricity
What type of electricity is generated on-board a carrier? - ANSWER-4160V, 60Hz, 3 phase electricity
What is the use of 400Hz? - ANSWER-most electronics (fire control and sonar) use 440V, 400Hz, 3 phase
electricity
What is a prime mover? - ANSWER-provides mechanical energy to generate electrical energy in the
generator
What are 3 examples of prime movers? - ANSWER-- Steam turbine
- Gas turbine
- Diesel engine
When is fuel tested? - ANSWER-- during receipt of fuel at beginning, middle, and endpoint and every 15
minutes
Describe the fuel test. - ANSWER-- Clear and Bright
- Clear (clear as mud...check
for sediment)
Engineering BDOC Exam Study Guide 2025 |
Comprehensive Practice Questions, Review, and Answers
Prepare for the Engineering BDOC Exam with this 2025 comprehensive study guide. Covers
core engineering principles, problem-solving, design, safety standards, project management, and
technical calculations. Includes practice questions, sample scenarios, and detailed answer
explanations for effective exam preparation.
• Engineering BDOC exam 2025
• BDOC practice test for engineers
• Engineering exam review 2025
What types of fuel are used on-board ships? - ANSWER-- F-44 (JP-5) Kerosene type
- Fuel System Icing Inhibitor
(FSII)
- Depresses freezing point to
-43F
- F-76 (primary)
- Gasoline type fuel used for
propulsion
Where is fuel stored? - ANSWER-in Service Tanks (ballasting tanks allow ship to maintain stability as fuel
levels decrease)
, 2|Page
How is fuel transferred? - ANSWER-using fuel oil transfer pumps (centrifugal)
Describe the fuel oil service system. - ANSWER-2 service tanks and 2 service pumps
How is fuel oil purified? - ANSWER-fuel oil transfer heater heats fuel to bring it to optimum temperature,
F/O purifier centrifugal pump
What type of electricity is generated on-board most ships? - ANSWER-450V, 60Hz, 3 phase electricity
What type of electricity is generated on-board a carrier? - ANSWER-4160V, 60Hz, 3 phase electricity
What is the use of 400Hz? - ANSWER-most electronics (fire control and sonar) use 440V, 400Hz, 3 phase
electricity
What is a prime mover? - ANSWER-provides mechanical energy to generate electrical energy in the
generator
What are 3 examples of prime movers? - ANSWER-- Steam turbine
- Gas turbine
- Diesel engine
When is fuel tested? - ANSWER-- during receipt of fuel at beginning, middle, and endpoint and every 15
minutes
Describe the fuel test. - ANSWER-- Clear and Bright
- Clear (clear as mud...check
for sediment)
