Ship Stability Quiz

Froggy Jumps

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Test your ship stability knowledge.

aiman shafiee

United States

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Ship Stability Quiz


Froggy Jumps Ship Stability QuizVersion en ligne Test your ship stability knowledge. par aiman shafiee 1 What is the vertical distance between the center of gravity and the metacenter called? a Righting angle b Metacentric height c Buoyancy depth 2 What is the purpose of ballast water on a vessel? a To increase speed b To clean the hull c To adjust stability and trim 3 What does the righting lever (GZ) measure? a Vertical height of the mast b Horizontal distance between buoyancy and gravity lines when heeled c Angle of heel 4 If the GM (metacentric height) is negative, the ship is: a Fully stable b Unstable and tends to capsize c Inspired by buoyancy 5 Increasing ballast water in ballast tanks primarily: a Lowers speed b Worsens trim c Improves stability by raising GM 6 Which factor most directly increases initial stability? a Larger hull length b Higher metacentric height (GM) c Greater freeboard 7 Intact stability refers to a ship with all compartments: a Flooded by compartments b Undamaged and not flooded c Empty of ballast 8 What condition can dramatically reduce stability? a Flooding of ballast tanks or uneven loading b Even weight distribution c Uniform ballast 9 Which curve shows stability versus heel angle? a Speed curve b Displacement curve c GZ (righting arm) curve 10 To help recover from a small heel, one should: a Redistribute weight to the high side b Increase ballast on the low side c Trim by shifting weight forward