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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An FPSO vessel differs from a conventional tanker primarily because it:
Answer: Produces, processes, stores, and offloads oil while remaining on location
An FPSO (Floating Production, Storage, and Offloading) unit processes hydrocarbons directly from subsea wells while also storing and periodically offloading the produced oil.
What does DWT stand for in tanker classification?
Answer: Dead Weight Tonnage
DWT, or Dead Weight Tonnage, measures the total weight a vessel can carry, including cargo, fuel, crew, stores, and ballast water.
Which type of tanker would most likely be employed to carry vegetable oils and animal fats?
Answer: Chemical/edible oil tanker
Specialized chemical or edible-oil tankers with food-grade coated or stainless-steel tanks are used to transport vegetable oils and animal fats to prevent contamination.
A Panamax tanker is dimensionally constrained by:
Answer: The original locks of the Panama Canal
Panamax tankers are designed with maximum dimensions (approximately 294.1 m length, 32.3 m beam) to fit through the original Panama Canal locks.
Which characteristic is unique to a double-hull tanker design?
Answer: A void space exists between the outer hull and the cargo tanks
Double-hull construction places an empty void space between the outer hull plating and the inner cargo tank boundaries, significantly reducing the risk of spills in a grounding or collision.
Crude oil tankers are categorized differently from product tankers mainly because:
Answer: Crude tankers transport unrefined petroleum directly from oil fields to refineries
Crude tankers carry unprocessed oil from production fields or export terminals to refineries, while product tankers transport the refined outputs of those refineries.
What is the approximate DWT range that defines a VLCC (Very Large Crude Carrier)?
Answer: 200,000–320,000 DWT
VLCCs typically range from about 200,000 to 320,000 DWT and are among the largest vessels used in crude oil transport on long-haul routes.