Miscelleneous

Stability – I : Chapter 8

  1. A box shaped vessel of displacement 1640t is 50m long 10m wide and 8m high . Find her KB in SW , if she is one an even keel and upright.
Solution:

Displacement = 1640

Volume of box shape vessel = (L x B x H)
= (50m x10m x 8m)

RD = 1.025

Displacement = (u/w volume) x(density of water displaced)
1640         = ( L x B x d )  x (1.025)
1640              =(50 x 10 x d) x (1.025 )

Hence, d =   1640/ (50 x 10x 1.025)
= 3.2m

As we know that  KB can be calculated as
= (d/2)
= (3.2/2)
= 1.6m

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