Questions and Answers
What is the proper nomenclature for class 3 substances?
Flammable liquids
A refrigerated container with a fuel tank containing a flammable liquid must be stowed on deck.
True
Which organization requires a Dangerous Cargo Manifest?
The International Maritime Organization
Many dangerous cargoes are stowed on deck because of the _______
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Which cargo would require a Dangerous Cargo Manifest?
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What placard is required for a container that had been filled with sodium hydroxide solution but is now empty?
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What is the proper label name for a class 4.1 substance according to U.S. regulations?
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How often must you inspect dangerous cargo on your vessel?
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What cargo does the hazardous cargo placard number 2282 indicate?
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If a Master must jettison a container loaded with hazardous material, who must they notify?
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The Dangerous Cargo Manifest indicates the net weight of each hazardous cargo.
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If you carry packaged hazardous cargoes on a break bulk vessel bound foreign, you must __________.
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Where can the U.S. regulations for the preparation of cargo holds prior to loading hazardous material be found?
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Who must approve hot work on a vessel with hazardous materials as cargo?
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What is NOT a requirement for preparing used gasoline-propelled cars as ordinary cargo?
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When stowing hazardous materials on deck, lashing of such cargo is permitted if ________
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Where can you find the EmS and MFAG tables in the IMDG Code?
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Who fills in a container packing certificate?
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How many digits do UN numbers have?
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What does the abbreviation EmS stand for?
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Where must hazard placards be placed?
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How should a package containing nitric acid solution and radioactive material be labeled?
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What is the label required for magnesium scrap?
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What indicates the degree of danger for a DG cargo?
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Why must the loading hoses be secured when pressurized air is used?
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How far should a vessel proceed to a safe position once given permission to enter the zone?
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If weather conditions are poor, who has the final say about whether the operation should go ahead?
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Within the 500 metre zone, one man on the bridge and two men in the engine room is considered good practice.
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What is your main defense against injury?
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If you aren't sure how to go about an operation, what should you do?
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What should you NOT do when there is mud and grease on deck from anchor handling or mooring operations?
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When wearing a hard hat, chinstraps are optional, depending on the task in hand.
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Where does legislation on minimum rest hours for personnel in charge of a watch come from?
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Why are bridge personnel on offshore supply vessels particularly susceptible to fatigue?
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If you recognize symptoms of fatigue in yourself, what should you do?
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Where can you find out what PPE to wear when handling a particular bulk cargo?
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Caffeine helps to minimize fatigue.
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What should you do if the wind increases significantly while off-loading from an offshore supply vessel?
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When pumping fuel between an offshore supply vessel (OSV) and a MODU, what is required?
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When moored to what side of the unit does the risk of collision with an offshore supply vessel increase?
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What should you check before backloading portable tanks or drums onto an offshore supply vessel?
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What should you do if a transfer hose leaks while taking on fuel oil from an offshore supply vessel?
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If a venting hose is used, it must be placed overboard, away from the jetty, and properly weighted.
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What part of the equipment is often the first indication that something has gone wrong during the discharge of dry bulk product?
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How should well casing be prepared?
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Where should dangerous cargoes be stowed?
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Once the crane sling is attached, what must the crew do?
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In poor weather, the cargo lashings should all be removed well in advance of their discharge to the installation.
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When should the Toolbox Talk or Safe Job Analysis meeting for cargo operation at the installation be held?
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What numeral represents an oxidizer in dangerous goods classification?
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What numeral represents a flammable solid in dangerous goods classification?
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What numeral represents radioactive substances in dangerous goods classification?
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What numeral represents explosives in dangerous goods classification?
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What numeral represents flammable liquids in dangerous goods classification?
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What numeral represents gases in dangerous goods classification?
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What numeral represents miscellaneous dangerous substances in dangerous goods classification?
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What numeral represents toxic substances in dangerous goods classification?
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What numeral represents corrosive substances in dangerous goods classification?
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Who should you obtain the shipping papers from to make a Dangerous Cargo Manifest for a combustible cargo?
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What must you do with dangerous cargo on your vessel?
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What does the Dangerous Cargo Manifest NOT indicate?
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What is the TRUE requirement for topside repairs involving hot work after discharging a dangerous cargo?
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Class 1.4 explosives may not be stowed in the same hold with Class 6.1 poisons.
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What is the proper nomenclature for class 6 substances?
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In accordance with U.S. regulations, what is the proper label name for a class 5.2 substance?
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What is the proper nomenclature for class 8 substances?
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What is the proper label name for a class 2.1 substance?
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How often must you inspect dangerous cargo on a vessel that is not equipped with a smoke or fire detecting system?
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Which entry on the Dangerous Cargo Manifest concerning the classification of a cargo is NOT correct?
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Where are International Regulations governing the transportation of Dangerous Goods contained?
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What indicates the degree of danger for a DG cargo?
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What is the proper label name for a class 4.3 substance?
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What type of segregation is required away from hazards?
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What type of segregation is required separately from hazards under deck and on deck?
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What type of segregation requires fire/liquid proof separation below deck and 12m horizontally on deck?
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What type of segregation requires one intervening compartment below deck and 24m horizontally on deck?
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Study Notes
Dangerous Goods Classification
- Class 3 substances are categorized as flammable liquids.
- Class 4.1 substances are labeled as flammable solids.
- Class 6 substances include toxic and infectious substances.
- Class 7 substances represent radioactive materials.
- Class 8 refers to corrosive substances.
- Class 5.2 substances are designated as organic peroxides.
- Class 4.3 substances are described as dangerous when wet.
Regulations and Documentation
- A Dangerous Cargo Manifest is mandated by the International Maritime Organization for vessels transporting hazardous substances.
- Compliance includes having proper shipping papers that state both the technical name and proper shipping name of non-hazardous cargoes.
- The U.S. Coast Guard Captain of the Port must approve any hot work involving hazardous materials on board.
- The dangerous cargo manifest does NOT indicate the net weight of each hazardous cargo.
Stowage and Handling Requirements
- Stowage of flammable liquids necessitates that refrigerated containers with fuel tanks are kept on deck.
- Containers must display hazardous cargo placards on all four sides.
- Special precautions include inspecting hazardous cargo daily, and any shifts or spills must be reported immediately.
- Lashing of hazardous materials is allowed if secured to deck paddies.
Specific Hazards and Emergency Procedures
- For jettisoning hazardous materials, the nearest Captain of the Port must be notified promptly.
- In case of fuel transfer operations, secure direct VHF radio contact between the vessel's engineer and the fuel transfer supervisor is required.
- If leaks occur during fuel loading, operations must shut down immediately.
- Emergency procedures (EmS) can be found in the supplement of the IMDG Code.
Personal Protective Equipment (PPE) and Safety
- Personal Protective Equipment guidelines should be referenced from the cargo's Material Safety Data Sheet (MSDS).
- Following operational procedures is the primary defense against injury.
- Chinstraps on hard hats are mandatory, depending on the work being completed.
Segregation and Inspection Practices
- Segregation procedures involve specific distances between incompatible cargo, ensuring safety during transit.
- Containers must be inspected at least once every 24 hours unless equipped with a smoke detection system.
- Daily inspections and logging entries are required for hazardous cargo not covered by the automated system.
Classification Labels and Incident Responses
- UN numbers used for dangerous goods consist of 4 digits.
- Hazard identification labels must correspond with their class designation, ensuring proper communication of risks.
- In marine environments, conditions such as poor weather or electrical storms necessitate halting cargo operations involving Class 1 explosive materials.
Cargo Operations and Best Practices
- Always report any damage or irregularities in hazardous materials to the Master immediately.
- Hot work involving hazardous materials can only commence after obtaining necessary approvals, ensuring a safe operational environment.
- For any uncertainty regarding operational procedures, stopping and requesting assistance is encouraged.
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Prepare for your Cargo Exam 3 with these flashcards covering key concepts, definitions, and regulations related to hazardous materials and dangerous goods. Each card provides a concise question and answer format, ideal for quick revision and memorization.