EXAMINATION PAPERS ' 683
Paper 1.
1. Show by means of a sketch, how a frame and reversed frame are
connected to a floor plate, indicating clearly the various
connections.
2. What is a stringer ? Sketch and describe a deck stringer
3. When and where are web frames introduced ?
4. What stresses is a vessel in a seaway subjected to ?
5. What is meant by a vessel being stable and unstable ? Illustrate
by sketches.
6. How is a curve of buoyancy constructed ?
7. What is a bilge keel ?
Paper 2.
1. Name the component parts of a transverse section of a ship having
cellular double bottom.
2. Sketch a bar keel and a flat plate keel and explain how they are
connected to the hull.
3. What system is adopted in a shipyard to identify a particular plate
of shell plating ?
4. Name the several parts which contribute longitudinal strength to the
ship.
5. If you fill a double bottom tank at sea what difference will it make
to the centre of buoyancy and the transverse metacentric height ?
6. In a vessel of 3000 tons displacement it was found desirable to lower
the existing centre of gravity which was 16 feet above the keel. A
tank was filled with 250 tons of water, its centre of gravity being
3 feet above the keel. Bequired the height of the new centre
of gravity.
Paper 3*
1. What are the advantages and disadvantages of joggled plating?
Illustrate by a sketch.
2. Describe several forms of rivets used in ship construction.
3. How is a watertight bulkhead stiffened and how is it connected to
the shell plating?
4k Describe the bilge and tank drainage system ol a vessel you have
served in*