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Daily Question for Jan 30, 2018

A ship's forward draft is 22'-04" and its after draft is 24'-00". The draft amidships is 23'-04". This indicates a concentration of weight __________.

A. at the bow
B. in the lower holds
C. amidships
D. at the ends

Comments

  1. To answer this question you need to determine if the vessel is hogging or sagging. So our only real choices to consider is C or D.

    Let's calculate the mean draft amidships by averaging the FWD and AFT drafts as follows:

    Mean Draft = (22.33+24.0)/2
    =23.165 ft
    Draft Amidships = 23.33 ft

    Amidships draft is greater than the Fwd and Aft Mean draft, so it is sagging, therefore the weight is Amidships. The best answer is choice C.

    ReplyDelete

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