EUROTECH MARITIME ACADEMY,KOCHI FIRST MATE OF A FOREIGN GOING SHIP (PHASE II)

FUNCTION: CONTROLING THE OPERATION OF THE SHIP & CARE FOR THE PERSONS ON BOARD FIRST INTERNAL EXAMINATION (T1), DEC 2014

PAPER: NAVAL ARCHITECTURE PAPER II Time- 3 hours Pass Marks -100 Max. Marks - 200

NotesAnswer Q. (1,2,3 & 5) in stability paper and rest in separate construction paper

Part A (Answer all questions of 25 marks each)

1)A vessel of displacement 16000T,KG 6.5m,Km =8m has two identical rectangular deep tanks each 5m long 8m wide and 7m deep.The starboard tank is full of fresh water and port tank is empty.Thetransverse distance between their COG is 7.5m.Calculate the list produced if 40T of fresh water transferred from the full to empty tank.

2)A box shaped vessel 190m×25m and even keel draft of 8m,KG = 6.823m has a midship compartment 15m in length divided in port, Centre and starboard compartments. Port and starboard compartment are 6m wide each and Centre 13m wide. Calculate GM of the vessel if only the centre compartment is bilged.

3)A Triangular collision bulkhead is 15m broad at the top and 12m deep. The fore peak tank contains ballast of RD 1.015.Calculate the thrust on bulkhead and position of COP below the top of the bulkhead when thesounding in tank is a)12m b)14m

4) Sketch, label and describe the midship section of a Gas carrier. Also describe its constructional details.

Part B (All questions of 25 marks each)

5) Describe in detail how you would conduct an inclining experiment. When and why is it Conducted?

6) Describe with the help of a neat diagram the following tests:a) Tensile test b) Bend Test c) A-60 Class division.

7) Which parts of the ship counteract sagging, hogging, racking and grounding stresses?

8) Q) With the help of Suitable sketch explain the following:-a) Sheer plan b) Half Breadth plan C) Body plan.

Or9) Describe various grades of steel used for construction of a modern vessel. Where are these put

to use?Name some parts of a ship which are forged or cast

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