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Q5. A box shaped barge of length 70 m has a hull mass of 560 tonne which is evenly distributed throughout its length. Bulkheads are located 5 m from the barge ends to form peak tanks which are empty. The remainder of the barge is divided by two transverse bulkheads to form three holds of equal length.

These holds are loaded with a total of 1680 tonne of level stowed bulk cargo, one quarter of which is loaded in the centre hold and the remainder is equally distributed over the two other holds.

Draw EACH of the following curves on a base of ship length:

(a) weight and buoyancy curves; (5)

(b) load curve; (3)

(c) shear force curve; (4)

(d) bending moment curve. (4)