Category: Winning Answers
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Squat & UKC
Q. Is the passage planning mandatory?Ans. Passage planning is mandatory vide chapter V of SOLAS. Nowadays, most companies expect that passage planning be done on their ships prior any voyage is undertaken. Larger sized ships than yesteryear are plying today through the restricted passages. The number of ships transiting these areas, have also increased. Q.…
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Rolling In Still Water & Beam Swell
Q. What are the two main factors which govern still water rolling period?Ans. T = T, the time period is independent of amplitude of roll for up to medium angles of roll. It mainly depends on Radius of gyration (and hence MI) & GMT. If weights are placed away from axis of oscillation, the time…
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QA Set 12: Parametric Roll
Q. What is the effect of resting of ship on wave crest? Ans. The GZ values available on ship are provided for static sea conditions. When vessel rests on a large longitudinal wave with the crest amidships, the GZ values increase in size for all the angle of heel. The reverse happens when the trough…