USCG Engineers License Examination Test Questions

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The subjects listed below are currently available for testing in the new online study room and are available for download to your computer. Click on subject below for details.

Engineering Examination Questions

All Engine Room Questions

Engine Room Electrical

Deck Examination Questions

Master 25/50/100 Ton

Operator Uninspected Passenger Vessel

All Deck Questions

Able Seaman Questions

Advanced Subjects, Unlimited Oceans Master, Mate

Rules of the Road

Aids to Navigation Glossary Included

Breathing Apparatus

Cargo Equipment

Cargo Stowage

Charts and Publications

Fire Fighting Glossary Included

Instruments and Accessories

Lifesaving

Lifeboatman

Liquid Cargo and Bunkering

Marine Radio Operator

Meteorology "Glossary Included"

Mobile Offshore Drilling Unit

Latest NMC / USCG Questions

Celestial Navigation

Navigational Procedures

Pollution Control and Prevention

Rules and Regulations

Plotting/Navigational Problems

QMED

Survival Craft

Seamanship Glossary Included

Sailing Vessels

Ship Handling

Ships Construction Glossary Included

Ships Business

Signaling

Stability and Trim Glossary Included

Tankerman

Tides and Currents Glossary Included

Engine Room Examination Questions

Listed below is a table of contents of the questions on this subject as they appear in the new online study. Click on the "Enter Online Study" link above to begin preparing for your exam.

The Online Study database is updated annually now as soon as the NMC releases their sample exams. Sample exams are also posted in the online study which can be accessed from the link above.

The questions and illustrations posted in the online study are current and constantly being updated.

April 8, 2021

Some new Engine Room Motor questions were added today which contain some totally new graphics. Be sure to check them out under: New Engine Questions/Motor Plants 2020 from the pull down menu.

December 8, 2019.

58 more new deck questions have been added under, "New Questions Extracted from NMC Samples" / Deck Questions. In the pull down menu of the online study.

December 1, 2019.

More new deck questions have been added under, "New Questions Extracted from NMC Samples" / Deck Questions. In the pull down menu of the online study.

November 23, 2019.

More sample questions added today under the Engine Ratings category. Can be found in the pull down menu as follows: "NMC Sample Examinations", Engineer Rating 2019, QMED01 Junior Engineer Q800-801, QMED02 Electrician-Refrigerating Engineer Q802-Q803, QMED03 Oiler Q804-Q805.

November 14, 2019.

137 new questions have been added to the online study from the samples so far. They can be found under "New Questions Extracted from NMC Samples" , Engine Officer 8_19 in the pull down menu. Be sure to check these out.

November 1, 2019.

Sample exams for DDE01 DDE,Unlimited HP Q620-Q625 and DDE04 DDE,1000_4000 HP Q630-Q634 were just added to the online study. Looks like some new questions and new illustrations in these samples.

October 27, 2019.

Just added the latest NMC sample questions for 3AE01 Third Assistant Engineer, Unlimited Q531-Q538 to the online study. More to follow. If you are studying for any Engine Room License I strongly suggest that you look through these samples under "NMC Sample Examinations" Unlimited Engineer Officers 8_19.

September 29, 2019.

Finished processing the Engine Room illustrations. The final count is 315 updated graphics added to the online study. Now to start the long process of the new questions.

September 26, 2019.

As of today I have now added a total of 228 updated illustrations to the Engine Room categories. More to come.

September 12, 2019.

The 2019 sample questions have been posted by the NMC. Starting the long process of assimilating these into our system. Looks at first glance like I will be finding some all new questions and illustrations to add. I will keep everyone posted as to the progress.

November 18, 2018

As of today I have added a total of 176 new or updated graphics to the online study just in the engine room categories alone.

November 6, 2018

We are now up to around 140 new or updated graphics added to the online study. Also started a new category for adding questions as well. Lots of "New" graphics here to check out. "Latest" NMC Sample Engineer Examinations 9_10_18

October 11, 2017

I have so far added about 250 new engineering questions that were sorted out from the latest sample exams.

February 9, 2016

30 new and updated Graphics under Engine Room General have been added to the online study. If you have TesTTaker software installed be sure to update your modules.

August 28, 2015

Added new Illustrations to Engine Room Electrical, Motor, and Gas turbines. If anyone finds any discrepancies please let me know and I will correct them asap.

June 24, 2015

24 more new electrical illustrations have been added today. At this point it looks like we are only missing a total of around 36 from the Electrical section to be complete.

The following Engine Room modules are available in the online study.

Unlimited Engineer Modules and Subjects

Exam Code: 1AE01 Endorsement: First Assistant Engineer, Unlimited Modules: Q511 - Q517:
- Q511- General Subjects I,
  - General Subjects
    - Prints and tables
    - Hydraulics
    - Bilge systems
    - Oily water separators
    - Sanitary-Sewage Systems
    - Freshwater systems
    - Lubrication systems
    - Automation systems
    - Control systems
    - Propellers-Shafting
    - Distilling systems
    - Administration
    - Bearings
    - Governors
    - Cooling systems
    - Steering systems
    - Deck machinery
    - Ventilation systems
- Q512- General Subjects II,
  - Refrigeration-Air Conditioning
    - Air conditioning systems
    - Refrigeration systems
    - Control systems
    - Safety
    - Casualty control
  - Management Level
    - Management skills
    - Crisis management
    - Shipyard
    - Inspections-surveys
    - Vessel layup
    - Employee familiarization
    - Operational planning
    - Assessing competency
    - Management practices
    - Arbitration
    - Internal documents
    - International laws-Conv.
    - Technical analysis
    - Maintenance systems
    - Troubleshooting
    - Codes & regulations
- Q513- Steam Plants,
  - Steam Generators
    - Main boilers
    - Feedwater systems
    - Condensate systems
    - Recovery systems
    - Fuel
    - Main fuel systems
    - Boiler water chemistry
    - Control systems
    - Automation systems
  - Steam Engines
    - Main turbines
    - Auxiliary turbines
    - Governor systems
    - Control systems
    - Automation systems
    - Lubrication systems
    - Drive systems
    - Auxiliary diesels
    - Safety
    - Casualty control
- Q514- Motor Plants,
  - Motor Propulsion
    - Main engines
    - Auxiliary engines
    - Starting systems
    - Lubrication systems
    - Fuel
    - Fuel systems
    - Fuel injection systems
    - Air-charging systems
    - Control systems
    - Automation systems
    - Governors
  - Steam Generators
    - Auxiliary boilers
    - Water chemistry
    - Safety
    - Casualty control
- Q515- Gas Turbine Plants,
  - Gas Turbines
    - Thermo
    - Operating parameters
    - Start systems
    - Lubrication systems
    - Fuel systems
    - Drive systems
    - Instrumentation-Controls
    - Maintenance
    - Inspection
    - Troubleshooting
    - Casualty control
  - Steam Generators
    - Auxiliary boilers
    - Feedwater systems
    - Condensate systems
    - Recovery systems
- Q516-Engineering Safety & Environmental Protection,
  - Safety
    - Fire theory
    - Fire prevention
    - Fire fighting
    - Flooding
    - Dewatering
    - Stability and trim
    - Damage control
  - Emergency Equipment-Lifesaving Appliances
    - General safety
    - Hazardous materials
    - Pollution prevention
    - U.S. rules & regulations
- Q517-Electricity, Electronics & Control Engineering
  - Electricity-Electronics-Control Engineering
    - Motor controllers
    - Propulsion systems
    - Distribution systems
    - Electronic systems
    - Safety
    - Casualty control
    - Troubleshooting
    - High voltage systems
    - Computers-Networks
    - Bridge navigation equipment.

Exam Code: 3AE01 Endorsement: Third Assistant Engineer, Unlimited Modules: Q531 - Q534:

Q531- Motor Plants I,

Motor Propulsion

Fundamentals

Main engines

Auxiliary engines

Starting systems

Lubrication systems

Fuel

Fuel systems

Fuel injection systems

Q532-Motor Plants II,

Motor Propulsion

Intake systems

Exhaust systems

Cooling systems

Air-charging systems

Drive systems

Control systems

Automation systems

Governors

Steam systems

Water chemistry

Safety

Casualty control

Steam Generators

Steam-theory

Auxiliary boilers

Feedwater systems

Condensate systems

Recovery systems

Steam Engines

Auxiliary turbines

Q533-Gas Turbine Plants,
- Gas Turbines
  - Configurations
  - Fundamentals
  - Thermo
  - Construction
  - Operating parameters
  - Start systems
  - Lubrication systems
  - Fuel systems
  - Drive systems
  - Bleed air systems
  - Intake & exhaust systems
  - Instrument-Controls
  - Maintenance
  - Casualty control
- Steam Generators
  - Auxiliary boilers
  - Feedwater systems
  - Condensate systems
  - Recovery systems

Q534-Engineering Safety & Environmental Protection.

Safety
- Fire theory
- Fire prevention
- Fire fighting
- Flooding
- Dewatering
- Stability and trim
- Damage control
Emergency Equipment-Lifesaving Appliances
- General safety
- Hazardous materials
- Pollution prevention
- U.S. rules & regulations

Exam Code: 3AE02 Endorsement: Third Assistant Engineer, Unlimited Modules: Q535 - Q538:

Q535-General Subjects,

General Subjects

Prints and tables

Pipes-fittings-valves

Hydraulics

Bilge systems

Oily water separators

Sanitary-sewage systems

Freshwater systems

Lubricants

Automation systems

Control systems

Propellers/ shafting systems

Machine shop

Distilling systems

Pumps

Compressors

Governors

Instruments

Ship construction-repair

Steering systems

Deck machinery

Ventilation systems

Heat exchangers

International rules-regulations

Refrigeration & Air Conditioning

Refrigeration Systems

AC systems

Safety

Casualty control

Q536-Electricity, Electronics & Control Engineering,

Electricity-Electronics -Control Systems

Theory

General maintenance

Generators

Motors

Motor controllers

Propulsion systems

Distribution systems

Electronic systems

Batteries

Communications

Safety

Casualty control

High voltage systems

Computers and networks

Q537-Steam Plants I,
- Steam Generators
  - Steam-theory
  - Main boilers
  - Feedwater systems
  - Condensate systems
  - Fuel
  - Main fuel systems
  - Boiler water chemistry
  - Control systems
  - Automation systems
  - Safety
  - Casualty control

Q538-Steam Plants II
- Steam Engines
  - Main turbines
  - Auxiliary turbines
  - Governor systems
  - Control systems
  - Automation systems
  - Lubrication systems
  - Drive systems
  - Auxiliary diesels
  - Safety
  - Casualty control
  - Recovery systems

Limited Engineer Modules and Subjects

Exam Code: AEL01 Endorsement: Assistant Engineer-Limited Modules: Q610 - Q615:
- Q610-Motor Plants,
  - Motor Propulsion
    - Fundamentals
    - Main engines
    - Auxiliary engines
    - Starting systems
    - Lubrication systems
    - Fuel
    - Fuel systems
    - Fuel injection systems
    - Intake-Exhaust Systems
    - Cooling systems
    - Casualty control
    - Air-charging systems
    - Drive systems
    - Control systems
    - Automation systems
    - Water chemistry
    - Safety
    - Governors
  - Steam Generators
    - Steam-theory
    - Auxiliary boilers
    - Feedwater systems
    - Condensate systems
  - Steam Engines
    - Auxiliary turbines
- Q611-Steam Plants,
  - Steam Generators
    - Steam-theory
    - Main boilers
    - Feedwater systems
    - Condensate systems
    - Fuel
    - Main fuel systems
    - Boiler water chemistry
    - Control systems
    - Automation systems
    - Safety
    - Casualty control
  - Steam Engines
    - Main turbines
    - Auxiliary turbines
    - Governor systems
    - Control systems
    - Automation systems
    - Lubrication systems
    - Drive systems
    - Auxiliary diesels
- Q612-Gas Turbine Plants,
  - Gas Turbines
    - Configurations
    - Fundamentals
    - Thermo
    - Construction
    - Operating parameters
    - Start systems
    - Lubrication systems
    - Fuel systems
    - Drive systems
    - Bleed air systems
    - Intake & exhaust systems
    - Instrumentation and controls
    - Maintenance
    - Casualty control
  - Steam Generators
    - Auxiliary boilers
    - Feedwater systems
    - Condensate systems
    - Recovery systems
- Q613-General Subjects,
  - General Subjects
    - Prints and tables
    - Hand tools
    - Pipes, fittings, and valves
    - Hydraulics
    - Materials science
    - Bilge systems
    - Oily water separators
    - Sanitary-Sewage Systems
    - Freshwater systems
    - Lubricants
    - Lubrication systems
    - Automation systems
    - Control systems
    - Propellers/ shafting systems
    - Machine shop
    - Distilling systems
    - Pumps
    - Compressors
    - Bearings
    - Governors
    - Cooling systems
    - Instruments
    - Ship construction and repair
    - Steering systems
    - Deck machinery
    - Ventilation systems
    - Thermo
    - Heat exchangers
    - Watch duties
    - International rules & regulations
  - Refrigeration & Air Conditioning
    - Theory
    - Air conditioning systems
    - Refrigeration systems
    - Control systems
    - Instruments-gauges
    - Safety
    - Casualty control
- Q614- Engineering Safety & Environmental Protection,
  - Safety
    - Fire theory
    - Fire prevention
    - Fire fighting
    - Flooding
    - Dewatering
    - Stability and trim
    - Damage control
  - Emergency Equipment & Lifesaving Appliances
    - General safety
    - Hazardous materials
    - Pollution prevention
    - U.S. rules and regulations
- Q615- Electricity, Electronics & Control Engineering
  - Electricity-Electronics-Control Systems
    - Theory
    - General maintenance
    - Generators
    - Motors
    - Motor controllers
    - Propulsion systems
    - Distribution systems
    - Electronic systems
    - Batteries
    - Communications
    - Safety
    - Casualty control
    - High voltage systems
    - Computer-networks
Exam Code: CEL01 Endorsement: Chief Engineer, Limited Modules: Q601 - Q603:
- Q601-General Subjects,
  - General Subjects
  - Administration
  - Automation systems
  - Bearings
  - Casualty control
  - Control systems
  - Control systems
  - Deck machinery
  - Governors
  - Hydraulics
  - Oily water separators
  - Prints and tables
  - Safety
  - Sanitary-Sewage Systems
  - Steering systems
  - Ventilation systems
  - Management Level
    - Arbitration
    - Assessing competency
    - Codes & regulations
    - Crisis management
    - Employee familiarization
    - Inspections-surveys
    - Internal documents
    - International laws-conventions
    - Maintenance systems
    - Management practices
    - Management skills
    - Operational planning
    - Shipyard
    - Technical analysis
    - Troubleshooting
    - Vessel layup
- Q602-Motor Plants,
  - Motor Propulsion
    - Air-charging systems
    - Automation systems
    - Auxiliary engines
    - Control systems
    - Fuel
    - Fuel injection systems
    - Fuel systems
    - Governors
    - Lubrication systems
    - Main engines
    - Starting systems
  - Steam Generators
    - Casualty control
    - Safety
    - Steam systems
    - Water chemistry
- Q603- Engineering Safety & Environmental Protection
  - Safety
    - Damage control
    - Dewatering
    - Fire fighting
    - Fire prevention
    - Fire theory
    - Flooding
    - Stability and trim
  - Emergency Equipment & Lifesaving Appliances
    - General safety
    - Hazardous materials
    - Pollution prevention
    - U.S. rules and regulations
Exam Code: CEL02 Endorsement: Chief Engineer, Limited Modules: Q604 - Q606:
- Q604-Electricity, Electronics & Control Engineering,
  - Electricity-Electronics-Control Systems
    - Bridge navigation equipment
    - Casualty control
    - Computers and networks
    - Distribution systems
    - Electronic systems
    - High voltage systems
    - Motor controllers
    - Propulsion systems
    - Safety
    - Troubleshooting
- Q605-Steam Plants,
  - Steam Generators
    - Automation systems
    - Boiler water chemistry
    - Casualty control
    - Condensate systems
    - Control systems
    - Feedwater systems
    - Fuel
    - Main boilers
    - Main fuel systems
    - Recovery systems
  - Steam Engines
    - Automation systems
    - Auxiliary diesels
    - Auxiliary turbines
    - Control systems
    - Drive systems
    - Governor systems
    - Lubrication systems
    - Main turbines
    - Safety
- Q606-Gas Turbine Plants
  - Gas Turbines
    - Casualty control
    - Drive systems
    - Fuel systems
    - Inspection
    - Instrumentation-Controls
    - Lubrication systems
    - Maintenance
    - Operating parameters
    - Start systems
    - Thermo
    - Troubleshooting
  - Steam Generators
    - Auxiliary boilers
    - Condensate systems
    - Feedwater systems
    - Recovery systems
Exam Code: DDE01 Endorsement: DDE Unlimited Modules: Q620 - Q625:
- Q620-Motor Plants,
- Q621-Steam Plants,
- Q622-Gas Turbine Plants,
- Q623-Engineering Safety & Environmental Protection,
- Q624-General Subjects,
- Q625-Electricity, Electronics & Control Engineering
Exam Code: DDE04 Endorsement: DDE 1000-4000 HP Modules: Q630 - Q634:
- Q630-Motor Plants,
- Q631-Steam Plants,
- Q632-Gas Turbine Plants,
- Q633-Engineering Safety & Environmental Protection,
- Q634-General Subjects
Exam Code: OSE01 Endorsement: Chief Engineer-OSV Modules: Q680 - Q684:
- Q680-Motor Plants,
  - Motor Propulsion
    - Main engines
    - Auxiliary engines
    - Starting systems
    - Lubrication systems
    - Fuel
    - Fuel systems
    - Fuel injection systems
    - Air-charging systems
    - Control systems
    - Automation systems
    - Governors
    - Safety
    - Casualty control
  - Steam Generators
    - Auxiliary boilers
    - Feedwater systems
    - Condensate systems
    - Recovery systems
- Q682-General Subjects,
  - General Subjects
    - Prints and tables
    - Hydraulics
    - Oily water separators
    - Sanitary-Sewage Systems
    - Automation systems
    - Control systems
    - Administration
    - Bearings
    - Governors
    - Steering systems
    - Deck machinery
    - Heat exchangers
    - Watch duties
    - Ventilation systems
    - Casualty control
    - Safety
  - Refrigeration-Air Conditioning
    - Casualty control
    - Air conditioning systems
    - Refrigeration systems
    - Control systems
    - Instruments-gauges
  - Management Level
    - Management skills
    - Crisis management
    - Shipyard
    - Inspections-surveys
    - Vessel layup
    - Employee familiarization
    - Operational planning
    - Assessing competency
    - Management practices
    - Arbitration
    - Internal documents
    - International laws-conventions
    - Technical analysis
    - Maintenance systems
    - Troubleshooting
    - Codes & regulations
- Q683-Engineering Safety & Environmental Protection,
  - Safety
    - Fire theory
    - Fire prevention
    - Fire fighting
    - Flooding
    - Dewatering
    - Stability and trim
    - Damage control
  - Emergency Equip-Lifesaving Appliances
    - General safety
    - Hazardous materials
    - Pollution prevention
    - Inspections and surveys
    - U.S. rules and regulations
- Q684-Electricity, Electronics & Control Engineering
  - Electricity-Electronics-Control Engineering
    - Generators
    - Motor controllers
    - Propulsion systems
    - Distribution systems
    - Electronic systems
    - Communications
    - Safety
    - Casualty control
    - Troubleshooting
    - High voltage systems
    - Computers and networks
    - Bridge navigation equipment
Exam Code: OSE02 Endorsement: Assistant Engineer-OSV Modules: Q650 - Q654:
- Q650 - Motor Plants,
  - Motor Propulsion
    - Fundamentals
    - Main engines
    - Auxiliary engines
    - Starting systems
    - Lubrication systems
    - Fuel
    - Fuel systems
    - Fuel injection systems
    - Intake systems
    - Exhaust systems
    - Cooling systems
    - Air-charging systems
    - Drive systems
    - Control systems
    - Automation systems
    - Governors
    - Water chemistry
    - Safety
    - Casualty control
  - Steam Generators
    - Auxiliary boilers
    - Feedwater systems
    - Condensate systems
    - Recovery systems
- Q652 - General Subjects,
- Q653-Engineering Safety & Environmental Protection,
- Q654-Electricity, Electronics & Control Engineering

Exam Code: UFIV01 Endorsement: Chief Engineer-UFIV Modules: Q697 - Q696

Exam Code: UFIV02 Endorsement: Assistant Engineer, UFIV Modules: Q690 - Q693

MODU Engineer Modules and Subjects

Exam Code: MODE01 Endorsement: Chief Engineer-MODU Modules: Q730 - Q750

Exam Code: MODE02 Endorsement: Assistant Engineer-MODU Modules: Q715 - Q717

Engineer Rating Modules and Subjects

Exam Code: QMED01 Endorsement: Junior Engineer Modules: Q800 - Q801

Exam Code: QMED02 Endorsement: Electrician-Refrigerating Engineer Modules: Q802 - Q803

Exam Code: QMED03 Endorsement: Oiler Modules: Q804 - Q805

Exam Code: QMED04 Endorsement: Fireman-Watertender Modules: Q806-FWT

Exam Code: QMED05 Endorsement: Machinist-Pumpman Modules: Q807 - Q808

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If you are studying for a United States Coast Guard Engine Room License exam which includes this module, you should work through these questions until you are scoring 80% or better on them.

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