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Q2. An inclining test carried out on a passenger vessel at a displacement of 10860 tonne in water of density 1012 kg/m³ resulted in an angle of heel of 0.85^o when an inclining mass of 10 tonne was moved 20 m transversely across the deck.

To obtain the lightship condition for the vessel, corrections for the following masses are required:

80 tonne to be removed at Kg 8.25 m.

60 tonne to be added at Kg 9.05 m.

The follov6ng masses in Table Q2 are to be added to give the load condition:

In the above condition, free surfaces of liquid are present as follows:

• fresh water of density 1000 kg/m³, in one rectangular tank, 10 m long and 10 m wide;

• oil fuel ot density 925 kg/m³, in four rectangular tanks, each 8 m long and 10 m wide.

Using the hydrostatic Curves provided in Worksheet Q2, determine EACH Of the following:

(a) the lightship KG; (8)

(b) the final mean draught in sea water; (2)

(c) the final effective metacentric height.  (6)