Class 2 (2nd Engineer) SC&S 📅 Feb 2021

Exam Question

(a) Define longitudinal center of gravity (LCG) and longitudinal centre of buoyancy (LCB). (4)

(b) The immersed cross-sectional areas of a ship 120 m long, commencing from aft are 2, 40, 79, 100, 103, 104, 104, 103, 97, 58 and 0 m2. Calculate:

(i) Displacement (6)

(ii) Longitudinal position of the centre of buoyancy. (6)

Reference Answer

(a) Longitudinal Centre of Gravity (LCG):
The Longitudinal Centre of Gravity (LCG) is the point along the length of the vessel where the total weight of the ship is considered to act vertically downward.
It represents the balance point of the ship's weight distribution and is measured as a distance forward or aft of the midship.
Longitudinal Centre of Buoyancy (LCB):

Full answer on MeoMock — surveyor-grade reference answers for 7,000+ written exam questions.

View plans Browse library

← Browse more questions

Prepare on Android — MeoMock on Google Play