Types of Tankers Flashcards
7 cards from real Tanker Familiarization practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
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Which international convention primarily governs the design and construction standards for chemical tankers?
Answer: IBC Code (International Bulk Chemical Code)
The IBC Code establishes minimum design, construction, equipment, and operational standards for ships carrying dangerous liquid chemicals in bulk.
A tanker described as 'Aframax' typically has a DWT capacity of approximately:
Answer: 80,000–120,000 DWT
Aframax tankers generally range from 80,000 to 120,000 DWT and are commonly used on routes where larger vessels cannot be accommodated due to port or draft restrictions.
What makes an ethylene carrier different from a standard LPG carrier?
Answer: Ethylene carriers operate at even lower temperatures, down to approximately -104°C
Ethylene must be carried at approximately -104°C, requiring more sophisticated insulation and refrigeration systems than those used on standard LPG carriers.
Which tanker type is most commonly used to transport refined products such as gasoline, jet fuel, and diesel?
Answer: Product tanker
Product tankers are designed with multiple segregated tanks and pumping systems to carry various grades of refined petroleum products simultaneously without mixing.
The 'segregated ballast tank' (SBT) requirement on tankers was introduced primarily to:
Answer: Prevent oil-contaminated ballast water from being discharged at sea
SBTs are tanks dedicated solely to ballast water, completely separate from cargo tanks, so ballast can be discharged without releasing oil into the sea.
A Gas Carrier classed as 'Type C' uses which containment system?
Answer: Free-standing pressure vessels (pressure tanks)
Type C gas carriers use independent pressure vessels (typically cylindrical or bi-lobe tanks) that can withstand the cargo pressure without relying on secondary barriers.
Which factor primarily determines whether a tanker is classified as a crude tanker or a product tanker?
Answer: The type of cargo it is designed and certified to carry
Classification as crude or product tanker depends on the vessel's design, tank coating, pumping systems, and certification for carrying specific types of petroleum cargo.