EXAMINATION PAPEBS 687
6. Ship 3000 tons displacement is in neutral equilibrium. A weight
of 60 tons is lowered 20 feet into the hold. Find the metacentric
height.
7. A box-shaped vessel is drawing 8 feet on even keel. A weight of
40 tons is moved 36 feet towards the stem. If the I.T.M. is 480 ft.
tons, find the new draughts.
MASTERS.
Ship Construction and Stability.
B.T. Specimen Paper. (3 hours)
1. What are Lloyd's numerals and how are they obtained ?
2. Sketch in outline a midship section of a ship built with ordinary
floors, naming the various parts.
3. How is continuity of strength provided at the break of a raised
quarterdeck ?
4. What is a "joggled plate"? State its advantages and dis-
advantages.
5. What are the main features governing freeboard assignment ?
6. What is the effect of concentrated loads in a ship ? What would
you consider a bad distribution of weight and buoyancy ?
7. A box-shaped vessel 210 feet in length, 32 feet beam, and 16 feet
depth floats on an even keel at draught of 8 feet. The G.M. is 2*8
feet. Calculate new G.M. after placing 64 ibons on deck, vessel
remaining on even keel.
8. A box-shaped vessel of same dimensions as above floats on an even
keel at 8 feet draught. A weight of 50 tons is moved 40 feet forward
in a horizontal direction. Calculate change of trim.
Paper 1.
1. Describe with sketches a plated bulwark.
2. Sketch the rolled sections used in ship construction and state where
they are frequently introduced.
3. How are the butts of shell plating connected 1 A butt joint is
** weeping," what would you do ?
4. What is an " open survey " 1 Describe the chief requirements of a
No. 3 survey-