(a) What is the effect of density of water on draught and TPC? (6)

(b) A ship of 15000 t displacemnt floats at a draught of 7m in water of RD 1.000. It is required to load the maximum amount of oil to give the ship a draught of 7m in sea water of RD 1.025. If the water plane area is 2150m2, calculate the mass of oil required (10)