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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         

Engine Room General          

Engine Room Safety            

Engine Room Steam            

Engine Room Motor   

QMED Oiler          

Deck Examination Questions

Master 25/50/100 Ton

Operator Uninspected Passenger Vessel

All Deck Exam Modules

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Advanced Subjects, Unlimited Oceans Master, Mate

Rules of the Road  

Aids to Navigation  Glossary Included

Breathing Apparatus

Cargo Equipment 

Cargo Stowage

Charts and Publications 

Chemical Testing

Right Whales

Damage Control  

Deck Engineering

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Emergency Procedures 

FCC Exam Questions

Fire Fighting Glossary Included 

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Great Lakes

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Inert Gas

Inland Navigation  

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Lifeboatman

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Mobile Offshore Drilling Unit

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Celestial Navigation

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Plotting/Navigational Problems

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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 

Towing

Watchkeeping  

Common Knots

Radar Plotting

 

 

Mobile Offshore Drilling Unit

"MODU"

Definition:  A generic term for several classes of self-contained floatable or floating drilling machines such as jackups, semisubmersibles, and submersibles. 

Download Operating Manual for Coastal Driller     

Download Operating Manual for Deep Driller

 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.

MODU Engineer Modules and Subjects

  • Exam Code: MODE01 Endorsement: Chief Engineer-MODU Modules: Q730 - Q750
    • Q730-Motor Plants
      • Motor Propulsion
        • Main engines
        • Auxiliary engines
        • Starting systems
        • Lubrication systems
        • Fuel Fuel systems
        • Fuel injection systems
        • Drive systems
        • Air-charging systems
        • Control systems
        • Automation systems
        • Governors
        • Safety
        • Casualty control
      • Steam Generators
        • Auxiliary boilers
        • Feedwater systems
        • Condensate systems
        • Recovery systems
    • Q740-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
        • Inspections and surveys
        • Pollution prevention
        • U.S. rules and regulations
    • Q750-General Subjects
      • General Subjects
        • Administration
        • Automation systems
        • Bearings
        • Control systems
        • Deck machinery
        • Governors
        • Heat exchangers
        • Hydraulics
        • Oily water separators
        • Prints and tables
        • Sanitary-Sewage Systems
        • Ship Construction & Repair
        • Steering systems
        • Watch duties
      • Electricity-Electronics-Control Eng.
        • Bridge navigation equipment
        • Casualty control
        • Computers and networks
        • Distribution systems
        • Electronic systems
        • High voltage systems
        • Motor controllers
        • Propulsion systems
        • Safety
        • Troubleshooting
      • Refrigeration & Air Conditioning
        • Air conditioning systems
        • Casualty control
        • Control systems
        • Refrigeration systems
        • Safety
      • 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
  • Exam Code: MODE02 Endorsement: Assistant Engineer-MODU Modules: Q715 - Q717
    • Q715-Motor Plants
      • Motor Propulsion
        • Air-charging systems
        • Automation systems
        • Auxiliary engines
        • Casualty control
        • Control systems
        • Cooling systems
        • Drive systems
        • Exhaust systems
        • Fuel
        • Fuel injection systems
        • Fuel systems
        • Fundamentals
        • Governors
        • Intake systems
        • Lubrication systems
        • Main engines
        • Safety
        • Starting systems
        • Steam systems
        • Water chemistry
      • Steam Generators
        • Auxiliary boilers
        • Condensate systems
        • Feedwater systems
        • Recovery systems
        • Steam-theory

MODU Deck Modules and Subjects

  • Exam Code: MODU01 Endorsement: Offshore Installation Manager Modules: Q100 - Q435
    • Q100-Rules of the Road: International and Inland
      • Watchkeeping
        • COLREGS
        • Inland Navigational Rules
        • “Basic Principles for Navigational Watch”
        • MODU obstruction lights
    • Q430-OIM Deck General Safety
      • Meteorology and oceanography
        • Characteristics of weather systems
        • Ocean current systems
        • Synoptic chart weather forecasting
        • Tide and tidal current publications
      • Fire prevention and firefighting appliances:
        • Basic firefighting and prevention of fires
        • Classes and chemistry of fire
        • Firefighting equipment and regulations
        • Firefighting systems
        • Organization of fire drills
      • Medical care
        • First aid
        • First response medical action
      • Maritime law and regulation
        • National maritime law
      • Personnel Management and Training:
        • Casualty reports and records
        • Required logs and recordkeeping
        • Ship's business including:
      • Communications
        • Radio communications and FCC permit
        • Radiotelephone procedures
      • Lifesaving/Survival:
        • Emergency radio transmissions
        • Lifesaving appliance operation (launching, boat handling)
        • Procedures/rules for lifeboats, survival suits, personal flotation devices (PFDs), life rafts and emergency signals
        • Survival at sea
      • Deck seamanship
        • Cargo stowage and securing
        • Crane use procedures and inspections
        • Hazardous materials/dangerous goods precautions
        • Mooring equipment
        • Support boats/helicopters
        • Transfer of personnel
    • Q431-OIM Unrestricted
      • Stability, ballasting, construction and damage control
        • Damaged trim and stability countermeasures
        • Load line requirements
        • Principles of ship construction, structural members
        • Stability and trim calculations
        • Trim and stability
      • Operating manual
        • Ballasting procedures
        • Completion of variable load form
        • Emergency procedures
        • Evaluation of variable load form
        • Hydrostatics data
        • KG limitations
        • Leg loading calculations
        • On-station instructions
        • Operation of bilge system
        • Rig characteristics and limitations
        • Severe storm instructions
        • Tank tables
        • Transit instructions
        • Unexpected list or trim
      • Maneuvering and handling
        • Anchoring and anchor handling
        • Heavy weather operations
        • Mooring, positioning
        • Moving, positioning
      • Emergency procedures and contingency plans:
        • Abandon unit
        • Blowouts
        • Collision
        • Failure of ballast control system
        • Fire or explosion
        • H2S safety
        • Heavy weather
        • Man overboard
        • Mooring emergencies
        • Temporary repairs
      • General Engineering— Power plants and auxiliary systems
        • Engineering equipment, operations and failures
        • Marine engineering terminology
        • Maritime law and regulation
        • International Maritime law
        • National maritime law
    • Q432-OIM Surface Units Underway
      • Stability, ballasting, construction and damage control
        • Damaged trim and stability countermeasures
        • Load line requirements
        • Principles of ship construction, structural members
        • Stability and trim calculations
        • Trim and stability
      • Operating manual
        • Ballasting procedures
        • Completion of variable load form
        • Emergency procedures
        • Evaluation of variable load form
        • Hydrostatics data
        • KG limitations
        • On-station instructions
        • Operation of bilge system
        • Rig characteristics and limitations
        • Severe storm instructions
        • Tank tables
        • Transit instructions
        • Unexpected list or trim
      • Maneuvering and handling
        • Anchoring and anchor handling
        • Heavy weather operations
        • Mooring, positioning
        • Moving, positioning
      • Emergency procedures and contingency plans:
        • Abandon unit
        • Collision
        • Failure of ballast control system
        • Fire or explosion
        • Heavy weather
        • Man overboard
        • Temporary repairs
      • General Engineering—Power plants and auxiliary systems
        • Engineering equipment, operations and failures
        • Marine engineering terminology
        • Maritime law and regulation
        • International Maritime law
        • National maritime law
    • Q433-OIM Surface Units on Location
      • Stability, ballasting, construction and damage control
        • Damaged trim and stability countermeasures
        • Load line requirements
        • Principles of ship construction, structural members
        • Stability and trim calculations
        • Trim and stability
      • Operating manual
        • Ballasting procedures
        • Completion of variable load form
        • Emergency procedures
        • Evaluation of variable load form
        • Hydrostatics data
        • KG limitations
        • On-station instructions
        • Operation of bilge system
        • Rig characteristics and limitations
        • Severe storm instructions
        • Tank tables
        • Unexpected list or trim
      • Maneuvering and handling
        • Anchoring and anchor handling
        • Heavy weather operations
        • Mooring, positioning
      • Emergency procedures and contingency plans:
        • Abandon unit
        • Blowouts
        • Collision
        • Failure of ballast control system
        • Fire or explosion
        • H2S safety
        • Heavy weather
        • Man overboard
        • Mooring emergencies
        • Temporary repairs
      • General Engineering—Power plants and auxiliary systems
        • Engineering equipment, operations and failures
        • Marine engineering terminology
        • Maritime law and regulation
        • International Maritime law
        • National maritime law
    • Q434-OIM Bottom Bearing Units Underway
      • Stability, ballasting, construction and damage control
        • Damaged trim and stability countermeasures
        • Load line requirements
        • Principles of ship construction, structural members
        • Stability and trim calculations
        • Trim and stability
      • Operating manual
        • Completion of variable load form
        • Emergency procedures
        • Evaluation of variable load form
        • Hydrostatics data
        • KG limitations
        • Leg loading calculations
        • Operation of bilge system
        • Rig characteristics and limitations
        • Severe storm instructions
        • Tank tables Transit instructions
        • Unexpected list or trim
      • Maneuvering and handling
        • Heavy weather operations
        • Mooring, positioning
        • Moving, positioning
      • Emergency procedures and contingency plans:
        • Abandon unit
        • Collision
        • Fire or explosion
        • Heavy weather
        • Man overboard
        • Temporary repairs
      • General Engineering—Power plants and auxiliary systems
        • Engineering equipment, operations and failures
        • Marine engineering terminology
        • Maritime law and regulation
        • International Maritime law
        • National maritime law
    • Q435-OIM Bottom Bearing Units on Location
      • Stability, ballasting, construction and damage control
        • Load line requirements
        • Principles of ship construction, structural members
        • Trim and stability
      • Operating manual
        • Completion of variable load form
        • Emergency procedures
        • Evaluation of variable load form
        • Leg loading calculations
        • On-station instructions
        • Rig characteristics and limitations
        • Severe storm instructions
        • Tank tables
      • Maneuvering and handling
        • Heavy weather operations
      • Emergency procedures and contingency plans:
        • Abandon unit
        • Blowouts
        • Collision
        • Fire or explosion
        • H2S safety
        • Heavy weather
        • Man overboard
      • General Engineering—Power plants and auxiliary systems
        • Engineering equipment, operations and failures
        • International Maritime law
        • Marine engineering terminology
        • Maritime law and regulation
        • National maritime law
  • Exam Code: MODU02 Endorsement: Barge Supervisor Modules: Q100 - Q438
    • Q100-Rules of the Road: International and Inland
      • Watchkeeping
        • “Basic Principles for Navigational Watch”
        • COLREGS
        • Inland Navigational Rules
        • MODU obstruction lights
    • Q437-Barge Supervisor
      • Deck General Safety
        • Meteorology and oceanography
        • Characteristics of weather systems
        • Ocean current systems
        • Synoptic chart weather forecasting
        • Tide and tidal current publications
      • Fire prevention and firefighting appliances:
        • Basic firefighting and prevention of fires
        • Classes and chemistry of fire
        • Firefighting equipment and regulations
        • Firefighting systems
        • Organization of fire drills
      • Medical care
        • First aid
        • First response medical action
      • Maritime law and regulation
        • National maritime law
      • Personnel Management and Training
        • Required logs and recordkeeping
        • Ship's business including:
      • Communications
        • Radio communications and FCC permit
        • Radiotelephone procedures
      • Lifesaving/Survival:
        • Emergency radio transmissions
        • Lifesaving appliance operation (launching, boat handling)
        • Procedures/rules for lifeboats, survival suits, personal flotation devices (PFDs), life rafts and emergency signals.
        • Survival at sea
      • Deck seamanship
        • Cargo stowage and securing
        • Crane use procedures and inspections
        • Hazardous materials/dangerous goods precautions
        • Mooring equipment
        • Support boats/helicopters
        • Transfer of personnel
  • Exam Code: MODU03 Endorsement: Ballast Control Operator Modules : Q440 - Q441
    • Q440-Ballast Control Operator-Deck General Safety
      • Meteorology and oceanography
        • Characteristics of weather systems
      • Fire prevention and firefighting appliances:
        • Basic firefighting and prevention of fires
        • Classes and chemistry of fire
        • Firefighting equipment and regulations
        • Firefighting systems
        • Organization of fire drills
      • Medical care
        • First aid
        • First response medical action
      • Maritime law and regulation
        • International maritime law
        • National maritime law
      • Communications
        • Radio communications and FCC permit
        • Radiotelephone procedures
      • Lifesaving/Survival:
        • Emergency radio transmissions
        • Lifesaving appliance operation (launching, boat handling)
        • Procedures/rules for lifeboats, survival suits, personal flotation devices (PFDs), life rafts and emergency signals
        • Survival at sea
    • Q441-Ballast Control Operator-MODU Operations
      • Stability, ballasting, construction and damage control
        • Principles of ship construction, structural members
        • Trim and stability
        • Damaged trim and stability countermeasures
        • Stability and trim calculations
        • Load line requirements
      • Operating manual
        • Rig characteristics and limitations
        • Hydrostatics data
        • Tank tables
        • KG limitations
        • Severe storm instructions
        • Transit instructions
        • On-station instructions
        • Unexpected list or trim
        • Ballasting procedures
        • Operation of bilge system
        • Completion of variable load form
        • Evaluation of variable load form
        • Emergency procedures
      • Maneuvering and handling
        • Heavy weather operations
        • Mooring, positioning
      • Emergency procedures and contingency plans:
        • Fire or explosion
        • Abandon unit
        • Man overboard
        • Heavy weather
        • Collision
        • Failure of ballast control system
        • Mooring emergencies
        • Blowouts
        • H2S safety
      • General Engineering—Power plants and auxiliary systems
        • Marine engineering terminology
        • Offshore drilling operations
      • Maritime law and regulation
        • National maritime law

 

If you are studying for a United States Coast Guard Deck 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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For details on license requirements, application forms,  licensing fees, and testing locations, visit the United States Coast Guard / National Maritime Centers web site and look under Mariner's information center. The questions used in the online study are once again available to the public in PDF format from the NMC link above. The illustrations are not yet available for some of these questions.

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See also:

SeaSources online Celestial Navigation Course 

MARYLAND NAUTICAL  Great source for practice charts and study guides

NAVIGATION COURSE

National Oceanic & Atmospheric Administration (NOAA)

The Navigation Center

Chart No. 1 Nautical Chart Symbols Abbreviations and Terms

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Required Subjects for all Deck Licenses

Required Subjects for all Engineering Licenses

Required Subjects for Mobile Offshore Drilling Units, MODU.

Sea Service Requirements for Coast Guard Licenses