OS OS Cargo Handling and Stowage 2 — Questions and Answers
Question 1: What is the purpose of a cargo securing manual aboard a vessel?
- To list the cargo owner's contact details
- To provide guidance on securing cargo to prevent shifting at sea (Correct answer)
- To record cargo damage incidents
- To calculate freight rates
Correct answer: To provide guidance on securing cargo to prevent shifting at sea
A cargo securing manual provides instructions and guidelines for properly securing cargo to prevent dangerous shifting or loss overboard during the voyage.
Question 2: When handling refrigerated (reefer) cargo, the OS must ensure:
- The cargo is stored above deck for ventilation
- The correct temperature settings are maintained and monitored (Correct answer)
- The cargo is kept in direct sunlight
- The refrigeration units are turned off when entering port
Correct answer: The correct temperature settings are maintained and monitored
Refrigerated cargo requires continuous monitoring to ensure proper temperature settings are maintained to prevent spoilage throughout the voyage.
Question 3: What is a 'bill of lading' in shipping?
- A receipt for cargo that also serves as a contract of carriage and document of title (Correct answer)
- A list of crew members aboard the vessel
- A document authorizing port entry
- A record of fuel consumption
Correct answer: A receipt for cargo that also serves as a contract of carriage and document of title
A bill of lading is a legal document issued by the carrier that serves as a receipt for cargo, a contract of carriage, and a document of title to the goods.
Question 4: What does 'deadweight tonnage' (DWT) represent?
- The weight of the ship's hull
- The total weight a vessel can carry including cargo, fuel, water, and crew (Correct answer)
- The weight of the cargo only
- The buoyancy force of the vessel
Correct answer: The total weight a vessel can carry including cargo, fuel, water, and crew
Deadweight tonnage (DWT) is the total weight a vessel can safely carry, including cargo, fuel, ballast water, provisions, and crew.
Question 5: Which color placard indicates a flammable liquid hazard on a cargo unit?
- Blue
- Red (Correct answer)
- Green
- Yellow
Correct answer: Red
Flammable liquids (IMDG Class 3) are identified by a red placard, warning handlers of the fire hazard associated with the cargo.
Question 6: What is the meaning of 'general average' in maritime cargo law?
- The average speed of cargo delivery
- A principle where all parties share losses resulting from a voluntary sacrifice to save the voyage (Correct answer)
- The average weight of all cargo on board
- A method of calculating shipping insurance
Correct answer: A principle where all parties share losses resulting from a voluntary sacrifice to save the voyage
General average is a maritime law principle where all cargo owners proportionally share the loss when a voluntary sacrifice is made to save the ship and remaining cargo.
What is the purpose of a cargo securing manual aboard a vessel?